Data / Nonprofits / Texas / Houston
Nonprofits in Houston, TX: 16,116 registered with the IRS
16,116 nonprofits are registered with the IRS in Houston, TX, 14,541 of them 501(c)(3) charities; the 4,013 that report revenue took in $40.31 billion. The largest by revenue: Memorial Hermann Health System ($8.56 billion), Methodist Hospital Group ($4.40 billion), The Methodist Hospital ($3.60 billion). Most common causes: religion-related (3,017), human services (1,732), education (1,728).
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The 500 largest by revenue
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Memorial Hermann Health System | Health care | 501(c)(3) | 1973 | $8.56 billion | $14.87 billion | 2025-06 |
| Methodist Hospital Group | 501(c)(3) | 2010 | $4.40 billion | $7.63 billion | 2024-12 | |
| The Methodist Hospital | Health care | 501(c)(3) | 2010 | $3.60 billion | $11.86 billion | 2024-12 |
| Baylor College of Medicine | Education | 501(c)(3) | 1969 | $2.98 billion | $3.11 billion | 2025-06 |
| Community Health Choice Texas Inc | 501(c)(4) | 2019 | $1.91 billion | $788.9 million | 2022-12 | |
| William Marsh Rice University | Education | 501(c)(3) | 1970 | $1.64 billion | $11.18 billion | 2025-06 |
| Community Health Choice Inc | 501(c)(4) | 1998 | $898.4 million | $280.6 million | 2022-12 | |
| Bakerripley | Human services | 501(c)(3) | 1970 | $635.4 million | $186.5 million | 2024-12 |
| Harmony Public Schools | Education | 501(c)(3) | 2000 | $609.9 million | $1.37 billion | 2025-06 |
| Kipp Texas Inc | Education | 501(c)(3) | 2003 | $479.4 million | $868.1 million | 2025-06 |
| BP Corporation North America Inc Veba Master Trust | Mutual and membership benefit | 501(c)(9) | 2000 | $459.8 million | $26.3 million | 2024-12 |
| Legacy Community Health Services Inc | Health care | 501(c)(3) | 2006 | $453.8 million | $139.3 million | 2025-06 |
| Houston Food Bank | 501(c)(3) | 1984 | $435.4 million | $164.4 million | 2025-06 | |
| The Foundation | Education | 501(c)(3) | 2023 | $409.2 million | $779.8 million | 2025-06 |
| Texas Dow Employees Credit Union | 501(c)(14) | 1976 | $357.9 million | $4.77 billion | 2024-12 | |
| Memorial Hermann Medical Group | Health care | 501(c)(3) | 2008 | $354.7 million | $191.3 million | 2025-06 |
| Schlumberger Master Health Care Trust | 501(c)(9) | 1984 | $337.5 million | $728.4 million | 2024-12 | |
| Yes Prep Public Schools Inc | Education | 501(c)(3) | 1998 | $299.1 million | $514.5 million | 2025-06 |
| Greater Houston Community Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2017 | $293.3 million | $1.11 billion | 2024-12 |
| Museum of Fine Arts Houston | Arts, culture and humanities | 501(c)(3) | 1956 | $255.3 million | $2.35 billion | 2025-06 |
| Houston Livestock Show & Rodeo Inc | Recreation and sports | 501(c)(3) | 1977 | $231.1 million | $571.2 million | 2025-08 |
| Goodwill Industries of Houston | Employment | 501(c)(3) | 1949 | $224.6 million | $107.3 million | 2024-12 |
| U T Physicians | Health care | 501(c)(3) | 1997 | $179.2 million | $171.5 million | 2019-08 |
| Houston Christian University | 501(c)(3) | 1940 | $178.5 million | $400.2 million | 2025-05 | |
| First Community Credit Union | 501(c)(14) | 1976 | $167.4 million | $2.55 billion | 2024-12 | |
| University of St Thomas | Education | 501(c)(3) | 1998 | $154.9 million | $290.8 million | 2025-06 |
| Methodist Hospital | Health care | 501(c)(3) | 2010 | $150.9 million | $1.01 billion | 2024-12 |
| Methodist Primary Care Group | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1999 | $144.2 million | $51.5 million | 2024-12 |
| Texas Medical Center | Health care | 501(c)(3) | 1948 | $141.5 million | $903.1 million | 2024-12 |
| Gulf Coast Regional Blood Center | Health care | 501(c)(3) | 1975 | $132.7 million | $186 million | 2024-12 |
| Memorial Hermann Pharmacy Services LLC | Health care | 501(c)(3) | 2018 | $130.3 million | $22.6 million | 2025-06 |
| Young Mens Christian Association of Greater Houston Area | Human services | 501(c)(3) | 1962 | $120.4 million | $270.7 million | 2025-12 |
| St Johns School | 501(c)(3) | 1947 | $117.1 million | $427 million | 2025-06 | |
| Memorial Hermann Hospital Based Physician Group | Health care | 501(c)(3) | 2022 | $108.4 million | $11.6 million | 2025-06 |
| Lifegift Organ Donation Center | Health care | 501(c)(3) | 1998 | $104.1 million | $104.7 million | 2024-12 |
| Texas Medical Center Central Heat and Cooling Services Corp | Health care | 501(c)(3) | 2002 | $97.7 million | $541.7 million | 2025-08 |
| Kinkaid School Inc | Education | 501(c)(3) | 1990 | $96.5 million | $313 million | 2025-07 |
| Catholic Charities of the Archdiocese of Galveston-Houston | Human services | 501(c)(3) | 1946 | $95.9 million | $64.8 million | 2025-06 |
| Rice-Land Lumber Company | 501(c)(2) | 1917 | $95.3 million | $4.8 million | 2025-06 | |
| First Service Credit Union | 501(c)(14) | 1976 | $91.1 million | $1.61 billion | 2024-12 | |
| Episcopal Health Foundation | Health care | 501(c)(3) | 2013 | $88.7 million | $1.22 billion | 2024-12 |
| Houston Zoo Inc | Animal-related | 501(c)(3) | 1967 | $82.7 million | $380.8 million | 2024-12 |
| Ila-West Gulf Maritime Association Inc Royalty Trust Fund No 1 | 501(c)(17) | 1974 | $80.8 million | $82.6 million | 2025-09 | |
| United Way of Greater Houston | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1960 | $79.6 million | $99.5 million | 2025-03 |
| The Awty International School | 501(c)(3) | 1973 | $72.5 million | $241.1 million | 2025-06 | |
| Transport Workers Mta Health and Welfare Trust | 501(c)(9) | 1944 | $71.9 million | $14.4 million | 2025-12 | |
| Texas Pipe Trades Health Benefit Fund | 501(c)(9) | 1980 | $68.7 million | $67 million | 2025-06 | |
| Texas Bay Credit Union | 501(c)(14) | 1976 | $67.2 million | $852.8 million | 2024-12 | |
| The Menninger Clinic | Health care | 501(c)(3) | 2003 | $66.3 million | $71.3 million | 2024-12 |
| Agreement of Trust for Maritime Association - Ila Welfare and Vaca | Employment | 501(c)(9) | 1959 | $63.5 million | $56.2 million | 2025-09 |
| Memorial Hermann Foundation | Health care | 501(c)(3) | 2026 | $63.3 million | $208.2 million | 2025-06 |
| Manned Space Flight Education Foundation Incorporated | Community improvement and capacity building | 501(c)(3) | 1987 | $61.2 million | $125.2 million | 2024-12 |
| MHS Physicians of Texas | Health care | 501(c)(3) | 1996 | $58.4 million | $13.6 million | 2025-06 |
| Cenikor Foundation | 501(c)(3) | 1982 | $55.9 million | $66.9 million | 2025-06 | |
| Swaniti Initiative | Public and societal benefit | 501(c)(3) | 2012 | $52.6 million | $57.7 million | 2025-06 |
| South Texas College of Law Houston Inc | Education | 501(c)(3) | 1967 | $51.4 million | $122.2 million | 2025-05 |
| Central Missionary Clearinghouse Inc | 501(c)(3) | 1977 | $50.3 million | $9.8 million | 2025-09 | |
| Central Texas Health and Benefit Trust Fund | Mutual and membership benefit | 501(c)(9) | 2006 | $49.3 million | $39 million | 2024-12 |
| Interfaith Ministries for Greater Houston | 501(c)(3) | 1964 | $49.2 million | $26.1 million | 2025-06 | |
| St Hope Foundation Inc | Human services | 501(c)(3) | 2000 | $49.2 million | $27 million | 2024-12 |
| Houston Museum of Natural Science | Arts, culture and humanities | 501(c)(3) | 1948 | $48.4 million | $299.4 million | 2024-12 |
| Smart Financial Credit Union | 501(c)(14) | 1976 | $47.9 million | $783.4 million | 2024-12 | |
| Methodist Hospital Self Insurance Trust | Mutual and membership benefit | 501(c)(3) | 1979 | $47.8 million | $163.1 million | 2024-12 |
| Members Choice Credit Union | 501(c)(14) | 1976 | $47.4 million | $766.6 million | 2024-12 | |
| The Hobby Center Foundation | Arts, culture and humanities | 501(c)(3) | 1994 | $46.2 million | $96.6 million | 2025-08 |
| Houston Symphony Society | Arts, culture and humanities | 501(c)(3) | 1941 | $45.2 million | $6.8 million | 2025-05 |
| Ampp Global Center Inc | 501(c)(3) | 1954 | $44.6 million | $102 million | 2024-12 | |
| Lloyds Register North America Inc | Community improvement and capacity building | 501(c)(6) | 2004 | $44.1 million | $65.8 million | 2025-06 |
| Lone Star Legal Aid | Crime and legal-related | 501(c)(3) | 1950 | $43.6 million | $18.7 million | 2024-12 |
| Houston Country Club | 501(c)(7) | 1930 | $43.5 million | $141.3 million | 2025-09 | |
| BPH Holding Co Inc | Human services | 501(c)(3) | 2020 | $42.7 million | $213.2 million | 2024-12 |
| Investment & Research in Education Inc | Religion-related | 501(c)(3) | 2014 | $42.3 million | $62.7 million | 2024-12 |
| Tejano Center for Community Concerns Inc | Youth development | 501(c)(3) | 1992 | $42.2 million | $97.5 million | 2025-08 |
| Houston Ballet Foundation | Arts, culture and humanities | 501(c)(3) | 1957 | $42 million | $185 million | 2025-06 |
| DXP Enterprises Inc Employee Benefit Plan Trust | 501(c)(9) | 1988 | $40.9 million | $0 | 2025-07 | |
| Greater Houston Community Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2017 | $38.3 million | $60.5 million | 2024-12 |
| Asian American Health Coalition of the Greater Houston Area | Health care | 501(c)(3) | 2001 | $38.2 million | $49.5 million | 2025-12 |
| Buckingham Senior Living Community Inc | Human services | 501(c)(3) | 2003 | $37.6 million | $187.5 million | 2024-12 |
| Menil Foundation Inc | Arts, culture and humanities | 501(c)(3) | 1955 | $37.3 million | $527.7 million | 2025-06 |
| River Oaks Country Club | 501(c)(7) | 1938 | $36.7 million | $90.4 million | 2024-12 | |
| Allegro Organizational Solutions Inc | International, foreign affairs and national security | 501(c)(3) | 2014 | $36.3 million | $2.8 million | 2024-12 |
| Alley Theatre | Arts, culture and humanities | 501(c)(3) | 1950 | $36.3 million | $113.7 million | 2025-06 |
| Depelchin Childrens Center | Human services | 501(c)(3) | 1991 | $36 million | $179.6 million | 2024-12 |
| Houston Parks Board | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1987 | $35.8 million | $106.6 million | 2025-06 |
| Houston Area Community Services Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 1998 | $35.7 million | $16.4 million | 2024-12 |
| Omega Charitable Developers Inc | Religion-related | 501(c)(3) | 1996 | $35.5 million | $4.8 million | 2024-12 |
| Harris County Emergency Corps | Public safety, disaster preparedness and relief | 501(c)(3) | 2011 | $34.9 million | $37.2 million | 2024-12 |
| Astros Golf Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2019 | $34.7 million | $25.9 million | 2024-12 |
| Houston Grand Opera Association Inc | Arts, culture and humanities | 501(c)(3) | 1957 | $34.7 million | $29.2 million | 2025-07 |
| Pipe Fitters Local 211 Welfare Trust | 501(c)(9) | 1966 | $33.9 million | $56.6 million | 2024-12 | |
| Cullen Trust for the Performing Arts | Arts, culture and humanities | 501(c)(3) | 1979 | $32.9 million | $132.4 million | 2024-12 |
| Houston Jewish Community Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1986 | $32.5 million | $179.9 million | 2025-08 |
| Texas Operators Association | Mutual and membership benefit | 501(c)(9) | 2021 | $32.3 million | $1.4 million | 2024-12 |
| Electrical Medical Trust | 501(c)(9) | 1969 | $31.9 million | $37.1 million | 2024-12 | |
| Betterhealth A Planned Parenthood Partnership | Health care | 501(c)(3) | 2002 | $31.9 million | $6.1 million | 2025-06 |
| Comp-U-Dopt Inc | Education | 501(c)(3) | 2008 | $31.3 million | $21.9 million | 2024-12 |
| The Emery-Weiner Center for Jewish Education | Education | 501(c)(3) | 2002 | $31.1 million | $87.7 million | 2025-06 |
| Buffalo Bayou Partnership | Environment | 501(c)(3) | 1986 | $31 million | $127.1 million | 2024-12 |
| Educational Leadership Inc | Education | 501(c)(3) | 1999 | $30.8 million | $15.7 million | 2025-08 |
| Houston Grand Opera Endowment Inc | Arts, culture and humanities | 501(c)(3) | 1983 | $30.7 million | $147.8 million | 2025-07 |
| Transitional Learning Center at Galveston | Mental health and crisis intervention | 501(c)(3) | 1985 | $30 million | $74.9 million | 2025-08 |
| Easter Seals of Greater Houston Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 1951 | $29.9 million | $11.6 million | 2024-12 |
| Gulf Coast Community Services Association Inc | Community improvement and capacity building | 501(c)(3) | 1968 | $29.7 million | $7.8 million | 2025-09 |
| Dasra | International, foreign affairs and national security | 501(c)(3) | 2004 | $29.4 million | $47.9 million | 2024-12 |
| Houston Livestock Show and Rodeo Educational Fund | Recreation and sports | 501(c)(3) | 1989 | $28.2 million | $125.2 million | 2025-08 |
| Houston Gateway Academy Inc | Education | 501(c)(3) | 2022 | $27.9 million | $117.1 million | 2025-08 |
| Coastal Conservation Association | Environment | 501(c)(3) | 1978 | $27.7 million | $46.8 million | 2024-12 |
| Lakeside Country Club | 501(c)(7) | 1957 | $26.6 million | $80.7 million | 2025-08 | |
| The Center for Collaborative Research Inc | Education | 501(c)(3) | 2008 | $26.5 million | $126.6 million | 2025-06 |
| Plumbers Welfare Fund-68 | 501(c)(9) | 1959 | $25.8 million | $14.2 million | 2025-06 | |
| Houston Association of Realtors | 501(c)(6) | 1958 | $25.6 million | $21.6 million | 2024-12 | |
| Houston Arts Alliance | Arts, culture and humanities | 501(c)(3) | 1978 | $25.5 million | $39.7 million | 2024-12 |
| Scanlan Foundation | Human services | 501(c)(3) | 1948 | $25.2 million | $260.1 million | 2024-12 |
| Planned Parenthood Gulf Coast Inc | Health care | 501(c)(3) | 1966 | $24.8 million | $51.4 million | 2025-06 |
| Texas Heart Institute | Medical research | 501(c)(3) | 1964 | $24.7 million | $263.4 million | 2024-12 |
| Apv Redevelopment Corporation | Housing and shelter | 501(c)(3) | 2012 | $24.6 million | $152 million | 2024-12 |
| Evelyn Rubenstein Jewish Community Center of Houston Texas | Religion-related | 501(c)(3) | 1949 | $23.7 million | $62.7 million | 2025-05 |
| Houston Hospice | 501(c)(3) | 1981 | $23.4 million | $21.6 million | 2025-12 | |
| Girl Scouts of San Jacinto Council | Youth development | 501(c)(3) | 1940 | $23.3 million | $58.9 million | 2025-08 |
| Jewish Federation of Greater Houston | 501(c)(3) | 1941 | $23.2 million | $16.5 million | 2025-08 | |
| Pratham USA | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2004 | $22.5 million | $29.5 million | 2025-12 |
| Saudi Aramco Ret Welfare Ben Trust | 501(c)(9) | 1995 | $22.4 million | $6,874 | 2025-12 | |
| Association for the Advancement of Mexican Americans | Human services | 501(c)(3) | 1972 | $22.2 million | $14.4 million | 2025-08 |
| Childrens Museum Inc | Arts, culture and humanities | 501(c)(3) | 1982 | $22.2 million | $62.3 million | 2025-06 |
| Memorial Park Conservancy Inc | Environment | 501(c)(3) | 2000 | $22 million | $57.6 million | 2025-05 |
| The Citizens Foundation USA | Human services | 501(c)(3) | 2003 | $21.7 million | $9.1 million | 2024-12 |
| Beta Foundation | Education | 501(c)(3) | 2012 | $21.7 million | $59.1 million | 2025-08 |
| Houston Society for the Prevention of Cruelty To Animals | Animal-related | 501(c)(3) | 1948 | $21.4 million | $78.1 million | 2024-12 |
| Coalition for the Homeless of Houston/harris County | Housing and shelter | 501(c)(3) | 1988 | $21.3 million | $19.8 million | 2025-06 |
| Memorial Assistance Ministries Inc | Human services | 501(c)(3) | 1983 | $20.6 million | $30.8 million | 2024-12 |
| Camp for All Foundation | Youth development | 501(c)(3) | 1993 | $20.6 million | $83.2 million | 2025-12 |
| American Productivity & Quality Center Inc | Community improvement and capacity building | 501(c)(3) | 1976 | $20.6 million | $40.1 million | 2024-12 |
| Memorial Hermann Community Benefit Corporation | Social science | 501(c)(3) | 2003 | $20.4 million | $14.1 million | 2025-06 |
| Coastal Prairie Conservancy | Environment | 501(c)(3) | 1992 | $19.9 million | $46.6 million | 2024-12 |
| Communities in Schools of Houston Inc | Education | 501(c)(3) | 1983 | $19.8 million | $23.5 million | 2025-08 |
| Texas Heart Medical Group | Diseases, disorders and medical disciplines | 501(c)(3) | 2021 | $19.7 million | $13.2 million | 2024-12 |
| Briar Club | 501(c)(7) | 1951 | $19.6 million | $43.1 million | 2025-09 | |
| Hpffa Medical Trust 341 | 501(c)(9) | 1988 | $19.4 million | $17.4 million | 2024-12 | |
| St Dominic Village | 501(c)(3) | 1946 | $19.2 million | $17.7 million | 2024-06 | |
| Ancient Free & Accepted Masons of Texas | 501(c)(10) | 1941 | $19.1 million | $20 million | 2025-06 | |
| Action Now Inc | Civil rights, social action and advocacy | 501(c)(4) | 2013 | $19.1 million | $4.4 million | 2025-12 |
| Houston Habitat for Humanity Inc | Housing and shelter | 501(c)(3) | 1987 | $18.8 million | $62.7 million | 2025-12 |
| Theatre Under the Stars Inc | Arts, culture and humanities | 501(c)(3) | 1969 | $18.8 million | $10.9 million | 2025-08 |
| Greater Houston Partnership Inc | 501(c)(6) | 1990 | $18.6 million | $23.9 million | 2024-12 | |
| Varnett Schools Inc | Education | 501(c)(3) | 1997 | $18.5 million | $24.9 million | 2025-08 |
| Faith in Practice | International, foreign affairs and national security | 501(c)(3) | 1994 | $18.4 million | $15.4 million | 2025-08 |
| Santa Maria Hostel Inc | Mental health and crisis intervention | 501(c)(3) | 2003 | $18.4 million | $9.1 million | 2025-08 |
| Fajr Scientific | Science and technology | 501(c)(3) | 2019 | $18.2 million | $6.6 million | 2024-12 |
| Qcfi Inc | Human services | 501(c)(3) | 1999 | $18.2 million | $150.9 million | 2024-12 |
| International Facility Management Association Inc | 501(c)(6) | 1989 | $18.2 million | $17.2 million | 2025-06 | |
| Seven Acres Jewish Senior Care Services Inc | Health care | 501(c)(3) | 1944 | $18 million | $31.5 million | 2025-08 |
| Houston Public Media Foundation | Arts, culture and humanities | 501(c)(3) | 1970 | $17.6 million | $3.9 million | 2025-08 |
| Ser Ninos Inc | Education | 501(c)(3) | 1997 | $17.3 million | $70.9 million | 2025-08 |
| West Gulf Maritime Association | 501(c)(6) | 1968 | $17.2 million | $31.5 million | 2024-12 | |
| University of Houston Foundation | Education | 501(c)(3) | 1961 | $17.1 million | $225.6 million | 2025-08 |
| Gateway Foundation-Texas Gateway Foundation Inc | Mental health and crisis intervention | 501(c)(3) | 1994 | $17 million | $1.3 million | 2025-06 |
| Kids Meals Inc | Human services | 501(c)(3) | 1991 | $16.8 million | $46.4 million | 2025-12 |
| Priority Trust Credit Union | 501(c)(14) | 1976 | $16.5 million | $189.6 million | 2025-12 | |
| Houston Regional Hiv Aids Resource Group Inc | Medical research | 501(c)(3) | 2026 | $16.5 million | $5 million | 2025-12 |
| Alpine Education Services | Education | 501(c)(3) | 2015 | $16.3 million | $104.3 million | 2025-06 |
| Texas Gas Employee Welfare Benefits Trust | 501(c)(9) | 1989 | $16.3 million | $85.4 million | 2025-12 | |
| El Centro de Corazon | Crime and legal-related | 501(c)(3) | 1994 | $16.2 million | $9.9 million | 2025-10 |
| Society of St Vincent de Paul Archdiocese of Galveston-Houston | 501(c)(3) | 2011 | $16.1 million | $10.8 million | 2025-09 | |
| Etoile Academy Inc | Education | 501(c)(3) | 2016 | $16 million | $20.9 million | 2025-06 |
| Kinder Morgan Employees Benefit Trust | 501(c)(9) | 1994 | $16 million | $285.2 million | 2024-12 | |
| Royal Oaks Country Club Houston Inc | Recreation and sports | 501(c)(7) | 2005 | $15.9 million | $26.2 million | 2024-12 |
| Houston Area Womens Center Inc | Human services | 501(c)(3) | 1978 | $15.8 million | $48.3 million | 2024-12 |
| Brighter Bites | Food, agriculture and nutrition | 501(c)(3) | 2015 | $15.8 million | $2.9 million | 2024-12 |
| Energy Capital Credit Union | 501(c)(14) | 1976 | $15.7 million | $261.5 million | 2025-12 | |
| Hermann Park Conservancy | Environment | 501(c)(3) | 1991 | $15.5 million | $65.9 million | 2025-06 |
| Aids Foundation Houston Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 1983 | $15.5 million | $10.3 million | 2024-12 |
| New Hope Housing Inc | Housing and shelter | 501(c)(3) | 1993 | $15.5 million | $97.7 million | 2024-12 |
| Houston Lighthouse Foundation Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 1969 | $15.3 million | $58.7 million | 2025-06 |
| The Saint Constantine School | Education | 501(c)(3) | 2015 | $15.2 million | $14.6 million | 2025-06 |
| Texas Southern University Foundation | Education | 501(c)(3) | 2021 | $15.1 million | $26 million | 2025-08 |
| Clayton Foundation for Research | Medical research | 501(c)(3) | 1966 | $14.9 million | $144.4 million | 2024-12 |
| Harris County Domestic Violence Coordinating Council | Human services | 501(c)(3) | 1997 | $14.8 million | $5.9 million | 2025-12 |
| The Fay School | 501(c)(3) | 1991 | $14.6 million | $33.2 million | 2025-06 | |
| Institute for Rehabilitation & Research Foundation | Health care | 501(c)(3) | 1987 | $14.5 million | $32.2 million | 2025-12 |
| Boys and Girls Clubs of Greater Houston Inc | Youth development | 501(c)(3) | 1989 | $14.5 million | $16.4 million | 2024-12 |
| Onesubsea Group Welfare Benefits Trust | Mutual and membership benefit | 501(c)(9) | 2026 | $14.5 million | $1.5 million | 2024-12 |
| The Rose | 501(c)(3) | 1986 | $14.3 million | $14.9 million | 2025-07 | |
| Ibn Sina Foundation Inc | Health care | 501(c)(3) | 2002 | $14.2 million | $21.3 million | 2024-12 |
| Vilcap Inc | 501(c)(3) | 2012 | $14 million | $12.8 million | 2024-12 | |
| Clarewood House Inc | Housing and shelter | 501(c)(3) | 1964 | $14 million | $40.6 million | 2025-12 |
| Lighthouse for the Blind of Houston | Diseases, disorders and medical disciplines | 501(c)(3) | 1956 | $14 million | $23.1 million | 2025-06 |
| Association for Materials Protection and Performances Inc | Community improvement and capacity building | 501(c)(6) | 2018 | $14 million | $12.6 million | 2024-12 |
| International Association of Drilling Contractors | Education | 501(c)(6) | 2016 | $13.9 million | $28 million | 2025-12 |
| Boy Scouts of America | Youth development | 501(c)(3) | 1965 | $13.9 million | $178.5 million | 2024-12 |
| Holly Hall | Human services | 501(c)(3) | 1954 | $13.8 million | $43 million | 2025-03 |
| Houston Area Community Development Corporation | Human services | 501(c)(3) | 1993 | $13.4 million | $104.8 million | 2024-12 |
| On Our Own Services Inc Welfare Trust | Employment | 501(c)(3) | 1996 | $13.4 million | $3.9 million | 2025-08 |
| National Math and Science Initiative Inc | Education | 501(c)(3) | 2007 | $13.3 million | $25.1 million | 2024-12 |
| Membersource Credit Union | 501(c)(14) | 1976 | $13.2 million | $200.6 million | 2025-12 | |
| Old Spanish Trail-Almeda Corridors Redevelopment Authority | Community improvement and capacity building | 501(c)(3) | 2014 | $13.1 million | $91.3 million | 2025-06 |
| Jewish Family Service | Human services | 501(c)(3) | 1947 | $12.9 million | $12.8 million | 2024-12 |
| Donatestock Charitable Inc | Public and societal benefit | 501(c)(3) | 2021 | $12.8 million | $2.3 million | 2024-12 |
| Holocaust Museum Houston | Arts, culture and humanities | 501(c)(3) | 1991 | $12.7 million | $39.2 million | 2025-06 |
| Briarwood School | Education | 501(c)(3) | 2017 | $12.5 million | $31.4 million | 2025-07 |
| Houston Humane Society | Animal-related | 501(c)(3) | 1960 | $12.4 million | $27.7 million | 2024-12 |
| Society of Exploration Geophysicists | 501(c)(6) | 1947 | $12.3 million | $24.6 million | 2024-12 | |
| Baker & Botts LLP Employees Health Care Trust Agreement | 501(c)(9) | 1995 | $12.2 million | $2.4 million | 2024-12 | |
| Pine Forest Country Club | 501(c)(7) | 1947 | $12.1 million | $17.3 million | 2024-12 | |
| The Montrose Center | Mental health and crisis intervention | 501(c)(3) | 1980 | $12 million | $18.5 million | 2025-08 |
| Ekal Vidyalaya Foundation of USA Inc | International, foreign affairs and national security | 501(c)(3) | 2000 | $12 million | $16.2 million | 2025-12 |
| Legacy Community Pharmacy Services | Health care | 501(c)(3) | 2020 | $11.9 million | $5.8 million | 2025-06 |
| Medical Bridges Inc | International, foreign affairs and national security | 501(c)(3) | 1997 | $11.9 million | $3.8 million | 2025-12 |
| Houston Community Health Centers Inc | Health care | 501(c)(3) | 2000 | $11.7 million | $11.5 million | 2024-12 |
| Star of Hope Mission | Housing and shelter | 501(c)(3) | 1941 | $11.7 million | $71.1 million | 2025-06 |
| Academy of Accelerated Learning Inc | Education | 501(c)(3) | 1998 | $11.6 million | $27 million | 2025-08 |
| Bread of Life Inc | Human services | 501(c)(3) | 1993 | $11.6 million | $6.9 million | 2024-12 |
| Amigos Por Vida - Friends for Life Housing and Education Corp | Education | 501(c)(3) | 1999 | $11.5 million | $35.6 million | 2025-08 |
| Houston Academy of Medicine | Education | 501(c)(3) | 1995 | $11.4 million | $62.9 million | 2024-12 |
| Junior League of Houston Inc | Community improvement and capacity building | 501(c)(3) | 1953 | $11.4 million | $25 million | 2025-05 |
| Fidelis Educational Net Inc | International, foreign affairs and national security | 501(c)(3) | 2008 | $11.3 million | $146.1 million | 2024-12 |
| Joy Development School | Education | 501(c)(3) | 1998 | $11.2 million | $32.3 million | 2025-07 |
| Glenwood Cemetery Inc | 501(c)(13) | 1942 | $11.2 million | $113.8 million | 2024-12 | |
| Discovery Green Conservancy | Recreation and sports | 501(c)(3) | 2005 | $11.1 million | $47.1 million | 2025-06 |
| Houston Classical Inc | Education | 501(c)(3) | 2019 | $11 million | $14.5 million | 2025-06 |
| Stepping Stones Charter Elementary Inc | Education | 501(c)(3) | 2004 | $10.9 million | $6.6 million | 2025-08 |
| Wonderland Educational Estate Association | 501(c)(3) | 1986 | $10.8 million | $31.4 million | 2025-08 | |
| Childrens Assessment Center Foundation | Crime and legal-related | 501(c)(3) | 1995 | $10.7 million | $47.6 million | 2025-09 |
| Covenant House Texas | Human services | 501(c)(3) | 1983 | $10.6 million | $59.7 million | 2025-06 |
| Energized for Excellence Academy | Education | 501(c)(3) | 2000 | $10.5 million | $9.2 million | 2025-06 |
| Target Hunger | Human services | 501(c)(3) | 1997 | $10.3 million | $14 million | 2025-12 |
| Houston Police Officers Association Benefit Trust | 501(c)(9) | 1981 | $10.3 million | $25.9 million | 2025-12 | |
| Kinkaid School Endowment Fund Inc | Education | 501(c)(3) | 1995 | $10.3 million | $163.9 million | 2025-07 |
| Houston City College Foundation | Education | 501(c)(3) | 1976 | $10.1 million | $28.6 million | 2025-08 |
| The Second Baptist School Foundation Inc | Education | 501(c)(3) | 1984 | $10.1 million | $33.7 million | 2025-07 |
| Draw Academy Incorporated | Education | 501(c)(3) | 2001 | $10.1 million | $6.2 million | 2025-08 |
| Center for Pursuit | Human services | 501(c)(3) | 1953 | $9.9 million | $21.6 million | 2025-06 |
| Brae Burn Country Club | 501(c)(7) | 1933 | $9.7 million | $17.6 million | 2024-12 | |
| Southeast Texas Regional Advisory Council | Health care | 501(c)(3) | 1995 | $9.7 million | $8.1 million | 2024-08 |
| Texas Education Works | Education | 501(c)(3) | 2009 | $9.7 million | $21.5 million | 2025-06 |
| Foundation To Advance Islamic Teaching in Houston Inc | Education | 501(c)(3) | 1996 | $9.7 million | $22.2 million | 2025-06 |
| Houstons Amazing Place Inc | Human services | 501(c)(3) | 1999 | $9.6 million | $27.5 million | 2025-12 |
| Good Reason Houston Inc | Education | 501(c)(3) | 2017 | $9.5 million | $17.5 million | 2025-06 |
| Woodforest Owners Association Inc | Housing and shelter | 501(c)(4) | 2010 | $9.4 million | $10 million | 2024-12 |
| Sheldon Community Volunteer Fire & Rescue Inc | Health care | 501(c)(3) | 1996 | $9.4 million | $607,976 | 2025-12 |
| Vita Living Inc | 501(c)(3) | 1983 | $9.4 million | $4.6 million | 2025-12 | |
| Menninger Foundation | Mental health and crisis intervention | 501(c)(3) | 1941 | $9.3 million | $14.3 million | 2025-06 |
| Northwest Assistance Ministries | Human services | 501(c)(3) | 2004 | $9.3 million | $7 million | 2025-09 |
| Helping A Hero Org | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $9.2 million | $1.7 million | 2024-12 |
| Ronald McDonald House Charities Greater Houston Inc | Health care | 501(c)(3) | 1983 | $9.2 million | $27.4 million | 2024-12 |
| Christian Community Service Center Inc | Human services | 501(c)(3) | 1980 | $9.2 million | $16.8 million | 2025-12 |
| The Foundation for Jones Hall | 501(c)(3) | 1987 | $9.1 million | $10.9 million | 2025-06 | |
| Kaleidoscope Youth Development Services Inc | Human services | 501(c)(3) | 2000 | $9.1 million | $6.6 million | 2025-08 |
| Robert M Beren Academy | 501(c)(3) | 1969 | $9 million | $9.7 million | 2025-07 | |
| University of Houston College of Business Foundation | Education | 501(c)(3) | 1974 | $9 million | $118.6 million | 2025-08 |
| The Monarch School Inc | Education | 501(c)(3) | 1997 | $8.9 million | $15 million | 2025-06 |
| Albion Hurricanes F C | Recreation and sports | 501(c)(3) | 1996 | $8.9 million | $14.4 million | 2025-06 |
| Christus Foundation for Healthcare | Health care | 501(c)(3) | 1966 | $8.9 million | $92.2 million | 2025-06 |
| Baylor College of Medicine International Pediatric Aids Initi | Health care | 501(c)(3) | 2006 | $8.8 million | $555,293 | 2025-06 |
| Northwest Volunteer Fire Department | 501(c)(3) | 1994 | $8.8 million | $2.4 million | 2024-12 | |
| Ila-West Gulf Maritime Association Inc Royalty Trust Fund No 2 | 501(c)(5) | 1976 | $8.8 million | $9.1 million | 2025-09 | |
| PTSD Foundation of America | Public and societal benefit | 501(c)(3) | 2007 | $8.7 million | $8.7 million | 2025-09 |
| Herzstein Investments Inc | Community improvement and capacity building | 501(c)(2) | 2002 | $8.6 million | $71.8 million | 2024-12 |
| Houston in Action Network | Civil rights, social action and advocacy | 501(c)(3) | 2022 | $8.6 million | $9.8 million | 2024-12 |
| Wesley Community Center Inc | Human services | 501(c)(3) | 1971 | $8.4 million | $8 million | 2024-12 |
| The Council On Recovery | Mental health and crisis intervention | 501(c)(3) | 1953 | $8.4 million | $2.6 million | 2025-08 |
| Soi Dog | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2011 | $8.3 million | $2.1 million | 2025-12 |
| Sky High for Kids Inc | Health care | 501(c)(3) | 2008 | $8.3 million | $3.2 million | 2024-12 |
| Center for Hearing and Speech | Education | 501(c)(3) | 1950 | $8.2 million | $15.8 million | 2024-12 |
| International Brotherhood of Electrical Workers | 501(c)(5) | 1940 | $8.2 million | $10.1 million | 2025-12 | |
| International Facility Management Association Inc | 501(c)(6) | $8.2 million | $7.9 million | 2025-06 | ||
| United Food and Commercial Workers International Union | 501(c)(5) | 1957 | $8.1 million | $3.5 million | 2024-12 | |
| Forest Club | 501(c)(7) | 1948 | $8.1 million | $8.5 million | 2025-09 | |
| Ser-Jobs for Progress of the Texas Gulf Coast Inc | Employment | 501(c)(3) | 1980 | $8 million | $11.6 million | 2025-08 |
| Focus Humanitarian Assistance U S A | International, foreign affairs and national security | 501(c)(3) | 1996 | $8 million | $19.8 million | 2024-12 |
| Asia Society Texas Center | Arts, culture and humanities | 501(c)(3) | 2002 | $8 million | $72.1 million | 2025-06 |
| House of Prayer and Life Incorporated | 501(c)(3) | 1975 | $8 million | $2.5 million | 2021-12 | |
| Prairie View A&M Foundation | Education | 501(c)(3) | 2009 | $8 million | $4.9 million | 2025-08 |
| Healthcare for the Homeless-Houston | Human services | 501(c)(3) | 2001 | $7.9 million | $7.8 million | 2024-12 |
| The Womens Home | Human services | 501(c)(3) | 1961 | $7.9 million | $26.2 million | 2024-12 |
| Portfolio Resident Services Inc | Human services | 501(c)(3) | 2009 | $7.9 million | $3.1 million | 2024-12 |
| West Houston Assistance Ministries Inc | 501(c)(3) | 1982 | $7.9 million | $2.6 million | 2025-09 | |
| Armand Bayou Nature Center Inc | Environment | 501(c)(3) | 1974 | $7.8 million | $8.9 million | 2024-12 |
| Junior Achievement of Southeast Texas Inc | International, foreign affairs and national security | 501(c)(3) | 1994 | $7.8 million | $31 million | 2025-06 |
| Kipp Texas Future Fund | Education | 501(c)(3) | 2007 | $7.8 million | $144.1 million | 2025-06 |
| Harmony House Inc | 501(c)(3) | 1993 | $7.8 million | $9.4 million | 2025-09 | |
| Friends of Pumpkin Park | Recreation and sports | 501(c)(3) | 2023 | $7.7 million | $7.2 million | 2024-12 |
| Northland Christian School | Education | 501(c)(3) | 1976 | $7.7 million | $9.4 million | 2025-07 |
| Houston Botanic Garden | Environment | 501(c)(3) | 2002 | $7.6 million | $31.9 million | 2024-12 |
| Myasthenia Gravis Foundation of America Inc | Medical research | 501(c)(3) | 1954 | $7.6 million | $15.3 million | 2025-12 |
| The 100 Club Inc | Crime and legal-related | 501(c)(3) | 1965 | $7.5 million | $61.9 million | 2025-06 |
| Emerge Fellowship | Education | 501(c)(3) | 2015 | $7.5 million | $6.3 million | 2025-07 |
| PH Recovery Center Inc | Mental health and crisis intervention | 501(c)(3) | 2013 | $7.5 million | $4.5 million | 2024-12 |
| The Menninger Clinic Foundation | Health care | 501(c)(3) | 2003 | $7.5 million | $62 million | 2024-12 |
| Stages | Arts, culture and humanities | 501(c)(3) | 1978 | $7.4 million | $31.6 million | 2025-06 |
| Habitat for Humanity International Inc | 501(c)(3) | 1987 | $7.4 million | $13 million | 2025-06 | |
| The Westview School Inc | Education | 501(c)(3) | 1996 | $7.4 million | $18.1 million | 2025-05 |
| William A Lawson Institute for Peace & Prosperity | Community improvement and capacity building | 501(c)(3) | 1997 | $7.4 million | $15 million | 2025-06 |
| Houston Marathon Committee | 501(c)(4) | 1987 | $7.4 million | $4.8 million | 2025-04 | |
| Westwood Country Club Inc | 501(c)(7) | 1943 | $7.3 million | $11.8 million | 2024-12 | |
| Contemporary Arts Museum Houston | Arts, culture and humanities | 501(c)(3) | 1949 | $7.3 million | $21.5 million | 2025-06 |
| TMC3 Development Corporation | Health care | 501(c)(3) | 2020 | $7.2 million | $203 million | 2024-12 |
| Avenue Community Development Coporation | Housing and shelter | 501(c)(3) | 1993 | $7.2 million | $57.6 million | 2025-12 |
| Performing Arts Houston | Arts, culture and humanities | 501(c)(3) | 1966 | $7.2 million | $8.6 million | 2025-06 |
| Healthconnect Texas | Health care | 501(c)(3) | 2012 | $7.1 million | $6.9 million | 2024-12 |
| International Brotherhood of Teamsters | 501(c)(5) | 1968 | $7 million | $5.1 million | 2024-12 | |
| Civic Heart Community Services | Human services | 501(c)(3) | 1990 | $7 million | $982,057 | 2025-08 |
| LC Fund for Priesty Formation | Religion-related | 501(c)(3) | 2015 | $7 million | $12.1 million | 2025-12 |
| The Officers Christian Fellowship of the United States of America | Religion-related | 501(c)(3) | 1952 | $7 million | $23.4 million | 2025-05 |
| Society for Neuro-Oncology | Arts, culture and humanities | 501(c)(3) | 1997 | $6.9 million | $8.1 million | 2025-06 |
| Lochinvar Golf Club | 501(c)(7) | 1979 | $6.9 million | $14.9 million | 2025-08 | |
| Career and Recovery Resources Inc | Employment | 501(c)(3) | 1958 | $6.9 million | $4.7 million | 2025-06 |
| Childrens Charity | Community improvement and capacity building | 501(c)(3) | 1986 | $6.9 million | $3.1 million | 2025-09 |
| Greater Houston Partnershipfoundation | Community improvement and capacity building | 501(c)(3) | 2007 | $6.9 million | $10.5 million | 2024-12 |
| Sunset Memorial Park Association | 501(c)(13) | 1944 | $6.8 million | $93.7 million | 2024-12 | |
| Spring Branch-Memorial Sports Assoc | Recreation and sports | 501(c)(3) | 1964 | $6.6 million | $4.9 million | 2024-12 |
| Ponderosa Volunteer Fire Association | Public safety, disaster preparedness and relief | 501(c)(3) | 2006 | $6.6 million | $6.1 million | 2024-12 |
| Energeo Alliance | 501(c)(6) | 1972 | $6.6 million | $3.2 million | 2025-12 | |
| Aliana Homeowners Association Inc | Housing and shelter | 501(c)(4) | 2017 | $6.5 million | $5.5 million | 2024-12 |
| Fifth Ward Community Redevelopment | Community improvement and capacity building | 501(c)(3) | 1990 | $6.5 million | $26.6 million | 2024-12 |
| Sefaradic Gan Inc | Education | 501(c)(3) | 2006 | $6.5 million | $5.3 million | 2025-07 |
| Springspirit Inc | Recreation and sports | 501(c)(3) | 2010 | $6.5 million | $13.3 million | 2025-08 |
| River Oaks Property Owners Inc | 501(c)(4) | 1955 | $6.4 million | $7.7 million | 2024-12 | |
| Houston Local Information Initiative Inc | Arts, culture and humanities | 501(c)(3) | 2022 | $6.4 million | $13.2 million | 2024-12 |
| Aclu Foundation of Texas Inc | Civil rights, social action and advocacy | 501(c)(3) | 1991 | $6.4 million | $5.9 million | 2025-03 |
| Branch School Inc | 501(c)(3) | 1978 | $6.4 million | $19.2 million | 2025-06 | |
| 501 Property Inc | Public and societal benefit | 501(c)(2) | 2024 | $6.4 million | $7.9 million | 2024-12 |
| South Lake Houston Emergency Medical Services | Health care | 501(c)(3) | 2002 | $6.3 million | $3.3 million | 2022-12 |
| Magnificat Houses Inc | Mental health and crisis intervention | 501(c)(3) | 1969 | $6.3 million | $9.9 million | 2025-06 |
| Memorial Credit Union | 501(c)(14) | 1976 | $6.3 million | $87.7 million | 2025-12 | |
| Westbury Christian School | Education | 501(c)(3) | 1980 | $6.3 million | $11.1 million | 2025-07 |
| Kick Drugs Out of America Foundation | Youth development | 501(c)(3) | 1991 | $6.3 million | $4 million | 2025-06 |
| Chinese Community Center Inc | Human services | 501(c)(3) | 1984 | $6.2 million | $17.7 million | 2024-12 |
| Houston Ballet Guild Inc | Arts, culture and humanities | 501(c)(3) | 1981 | $6.2 million | $7,593 | 2025-06 |
| School of the Woods | Education | 501(c)(3) | 1964 | $6.2 million | $20.4 million | 2025-06 |
| Alliance of Community Assistance Ministries Inc | Human services | 501(c)(3) | 2011 | $6.2 million | $4.1 million | 2025-12 |
| Retina Research Foundation Permanent Endowment Fund | Medical research | 501(c)(3) | 1976 | $6.1 million | $74.4 million | 2024-12 |
| Saving Grace Womens Home Inc | Housing and shelter | 501(c)(3) | 2017 | $6 million | $4.3 million | 2024-12 |
| Institute for Spirituality and Health at the Texas Medical Center | 501(c)(3) | 1956 | $6 million | $6.3 million | 2025-06 | |
| Energized for Stem Academy Inc | Education | 501(c)(3) | 2010 | $6 million | $3.3 million | 2025-06 |
| Millennium Relief and Development Services Inc | International, foreign affairs and national security | 501(c)(3) | 1999 | $6 million | $1.5 million | 2024-12 |
| University of Houston Law Foundation | Education | 501(c)(3) | 1972 | $6 million | $46.4 million | 2025-08 |
| Telfair Community Association Inc | Community improvement and capacity building | 501(c)(4) | 2008 | $6 million | $11.4 million | 2024-12 |
| Texans for Lawsuit Reform | Crime and legal-related | 501(c)(6) | 1995 | $5.9 million | $9.5 million | 2024-12 |
| Siut North America Inc | Medical research | 501(c)(3) | 2001 | $5.9 million | $1.5 million | 2024-12 |
| Battleship Texas Foundation Inc | Arts, culture and humanities | 501(c)(3) | 1995 | $5.9 million | $8.4 million | 2025-08 |
| United Association of Journeymen & Apprentices of the Plumbing & Pipe | 501(c)(5) | 1941 | $5.9 million | $8 million | 2025-06 | |
| Fairfield Village Community Inc | 501(c)(4) | 1994 | $5.8 million | $7 million | 2024-06 | |
| For All Mankind Movement Inc | Religion-related | 501(c)(3) | 2013 | $5.8 million | $3.1 million | 2025-12 |
| Greater Houston Community Foundation | 501(c)(3) | 2017 | $5.8 million | $231.1 million | 2024-12 | |
| Combined Arms | Public and societal benefit | 501(c)(3) | 2016 | $5.8 million | $2.3 million | 2024-12 |
| Small Steps Nurturing Center | Education | 501(c)(3) | 1995 | $5.8 million | $13.6 million | 2025-06 |
| Contigo Ed Inc | Education | 501(c)(3) | 2023 | $5.7 million | $5.7 million | 2025-06 |
| Houston Area Urban League Inc | 501(c)(3) | 1968 | $5.7 million | $11.7 million | 2024-12 | |
| Southern USA Falun Dafa Association | Religion-related | 501(c)(3) | 2002 | $5.7 million | $903,523 | 2025-09 |
| Foundation for Depelchin Childrens Center | Human services | 501(c)(3) | 1944 | $5.7 million | $150.3 million | 2024-12 |
| Family Service Center at Houston and Harris County | Human services | 501(c)(3) | 1941 | $5.7 million | $4.1 million | 2025-06 |
| Hollywood Memorial Park Company | 501(c)(13) | 1976 | $5.6 million | $57.3 million | 2025-12 | |
| Epochtimes Public Media Inc | Arts, culture and humanities | 501(c)(3) | 2007 | $5.6 million | $435,073 | 2025-12 |
| Parish Childrens School | Education | 501(c)(3) | 1983 | $5.6 million | $13.3 million | 2025-07 |
| Cheyenne Center Inc | Mental health and crisis intervention | 501(c)(3) | 2014 | $5.6 million | $987,550 | 2024-12 |
| A D Players | Arts, culture and humanities | 501(c)(3) | 1971 | $5.6 million | $24.6 million | 2025-08 |
| Axia International | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2019 | $5.6 million | $3.7 million | 2024-12 |
| Top Ladies of Distinction Inc | 501(c)(3) | 1974 | $5.6 million | $3.4 million | 2025-06 | |
| Imani School | Education | 501(c)(3) | 1997 | $5.6 million | $5.3 million | 2024-12 |
| Power & Light Ministries Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2025 | $5.5 million | $2.1 million | 2025-07 |
| Southwest Health Benefits Fund | 501(c)(9) | 1955 | $5.5 million | $10.9 million | 2024-12 | |
| Center for Success and Independence Inc | Mental health and crisis intervention | 501(c)(3) | 2023 | $5.4 million | $4.5 million | 2024-12 |
| Child Advocates Incorporated | Crime and legal-related | 501(c)(3) | 1984 | $5.4 million | $4.3 million | 2024-12 |
| Texas Forensic Nurse Examiners - Forensic Center of Excellence | 501(c)(3) | 2018 | $5.4 million | $4.1 million | 2024-12 | |
| Westbrook Employees Benefit Plan and Trust | 501(c)(9) | 1996 | $5.4 million | $371,469 | 2025-12 | |
| Barbara Bush Houston Literacy Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2014 | $5.3 million | $11.7 million | 2024-12 |
| Cool Kids Child Care Education and Nutrition | Human services | 501(c)(3) | 2002 | $5.3 million | $658,671 | 2025-09 |
| International Association of Fire Fighters | 501(c)(5) | 1944 | $5.3 million | $2.9 million | 2024-12 | |
| American Board of Otolaryngology Inc | 501(c)(6) | 1943 | $5.3 million | $19.3 million | 2024-12 | |
| Trinity Classical School of Houston Inc | Education | 501(c)(3) | 2010 | $5.3 million | $7.4 million | 2025-06 |
| College of Biblical Studies-Houston | 501(c)(3) | 1979 | $5.3 million | $7.7 million | 2025-06 | |
| Houston Audubon Society | Environment | 501(c)(3) | 1970 | $5.3 million | $17.9 million | 2025-06 |
| Agape Development Ministries | Education | 501(c)(3) | 2005 | $5.3 million | $6.7 million | 2025-05 |
| The Cullen Trust for Health Care | Health care | 501(c)(3) | 1978 | $5.2 million | $126.1 million | 2024-12 |
| Agape Homes CDC | Housing and shelter | 501(c)(3) | 2014 | $5.2 million | $8.7 million | 2025-05 |
| Pro Vision Educational Services Inc | Education | 501(c)(3) | 2012 | $5.2 million | $3.3 million | 2025-08 |
| Heralds of the Gospel Foundation Inc | International, foreign affairs and national security | 501(c)(3) | 2003 | $5.2 million | $1.2 million | 2024-12 |
| Reformed Youth Movement Inc | Youth development | 501(c)(3) | 1976 | $5.2 million | $2.7 million | 2024-12 |
| Spay-Neuter Assistance Program Inc | Animal-related | 501(c)(3) | 1999 | $5.2 million | $1.2 million | 2025-06 |
| Houston Symphony Endowment | Arts, culture and humanities | 501(c)(3) | 2007 | $5.1 million | $103.7 million | 2025-05 |
| Yellowstone Academy Inc | Education | 501(c)(3) | 2007 | $5.1 million | $2.4 million | 2025-06 |
| The Stoney Creek Foundation | Youth development | 501(c)(3) | 2001 | $5.1 million | $16.5 million | 2024-12 |
| Houston Christian Broadcasters Inc | Arts, culture and humanities | 501(c)(3) | 1966 | $5.1 million | $17 million | 2024-12 |
| Bloom Academy Inc | Education | 501(c)(3) | 2017 | $5.1 million | $7.1 million | 2025-06 |
| International Union of Painters and Allied Trades | 501(c)(5) | 1941 | $5 million | $5.9 million | 2024-12 | |
| Treasures of the Church Inc | Religion-related | 501(c)(3) | 2010 | $5 million | $5.2 million | 2024-12 |
| Bridgeyear | Human services | 501(c)(3) | 2017 | $5 million | $5.8 million | 2025-06 |
| St Stephens Episcopal School | Education | 501(c)(3) | 1940 | $5 million | $3.2 million | 2025-06 |
| American Federation of Labor & Congress of Industrial Orgs | 501(c)(5) | 1960 | $4.9 million | $1 million | 2024-12 | |
| The Beacon of Downtown Houston | Health care | 501(c)(3) | 2003 | $4.9 million | $3.3 million | 2024-12 |
| Institute for Girls Education | Education | 501(c)(3) | 2014 | $4.9 million | $12.8 million | 2025-06 |
| Safe Haven Adolescent Home | Human services | 501(c)(3) | 2003 | $4.9 million | $3.6 million | 2024-12 |
| The Gateway Academy Inc | Education | 501(c)(3) | 2007 | $4.9 million | $2.1 million | 2025-06 |
| Two Dimensions Preparatory Academy Inc | Education | 501(c)(3) | 1998 | $4.8 million | $1.3 million | 2025-08 |
| Community Family Centers-Centros Familiares de La Comunidad | Human services | 501(c)(3) | 1973 | $4.8 million | $7.2 million | 2025-12 |
| Community Association of Harmony Inc | Community improvement and capacity building | 501(c)(4) | 2014 | $4.8 million | $5.9 million | 2024-12 |
| Orchard Communities Inc | Housing and shelter | 501(c)(3) | 2008 | $4.8 million | $16.8 million | 2024-12 |
| Avondale House | Education | 501(c)(3) | 1976 | $4.8 million | $8.9 million | 2025-06 |
| Rain Drop Foundation Inc | Education | 501(c)(3) | 2002 | $4.8 million | $15.6 million | 2024-12 |
| Professional Child Care Provider Association | Education | 501(c)(3) | 2014 | $4.8 million | $13,522 | 2024-12 |
| Has Development Corporation | Public and societal benefit | 501(c)(3) | 2006 | $4.8 million | $25.7 million | 2024-12 |
| Epic International Corporation | Religion-related | 501(c)(3) | 2003 | $4.8 million | $911,775 | 2024-12 |
| Citizens for Animal Protection Inc | Animal-related | 501(c)(3) | 1973 | $4.7 million | $11 million | 2025-06 |
| Galveston-Houston Immigrant Representation Project | Crime and legal-related | 501(c)(3) | 2021 | $4.7 million | $4 million | 2025-06 |
| Yellowstone Education Foundation | Education | 501(c)(3) | 2016 | $4.7 million | $1.1 million | 2025-06 |
| Rice Re Holdings I | Education | 501(c)(25) | 2019 | $4.7 million | $239.7 million | 2025-06 |
| My Connect Community | Human services | 501(c)(3) | 2016 | $4.7 million | $20.7 million | 2024-12 |
| Alief Montessori Community School | Education | 501(c)(3) | 1998 | $4.7 million | $16.7 million | 2025-06 |
| Spark | Recreation and sports | 501(c)(3) | 1991 | $4.6 million | $7.4 million | 2025-06 |
| Gleannloch Farms Community Association Inc | Community improvement and capacity building | 501(c)(4) | 2001 | $4.6 million | $2.2 million | 2025-12 |
| Oaklake Community Housing Development Corporation | Housing and shelter | 501(c)(3) | 1995 | $4.6 million | $22 million | 2024-12 |
| Southern Smoke Foundation | Arts, culture and humanities | 501(c)(3) | 2021 | $4.6 million | $5.8 million | 2025-12 |
| Eagle Springs Community Association Inc | Housing and shelter | 501(c)(4) | 2008 | $4.6 million | $4.9 million | 2024-12 |
| Miller Theatre Advisory Board Inc | Arts, culture and humanities | 501(c)(3) | 1970 | $4.6 million | $6 million | 2025-12 |
| North Channel Assistance Ministries | Human services | 501(c)(3) | 1985 | $4.6 million | $567,217 | 2019-12 |
| Better Business Bureau of Metropolitan Houston Inc | 501(c)(6) | 1952 | $4.6 million | $5.3 million | 2024-12 | |
| Kingdom Builders Center of Houston Texas Inc | Community improvement and capacity building | 501(c)(3) | 2007 | $4.6 million | $24.2 million | 2024-12 |
| New Gate To Peace Foundation | Religion-related | 501(c)(3) | 2006 | $4.5 million | $1.4 million | 2025-12 |
| Bee Busy Wellness Center | Health care | 501(c)(3) | 2009 | $4.5 million | $3.2 million | 2024-12 |
| Independent Electrical Contractors Inc | 501(c)(6) | 1985 | $4.5 million | $3.7 million | 2025-08 | |
| Rise Soccer Club Inc | Recreation and sports | 501(c)(3) | 2000 | $4.5 million | $4.5 million | 2025-12 |
| Amigos de Las Americas | International, foreign affairs and national security | 501(c)(3) | 1980 | $4.5 million | $1.9 million | 2024-12 |
| Energy Workforce & Technology Council Association | 501(c)(6) | 1944 | $4.5 million | $2.5 million | 2024-12 | |
| Pomona Residential Community Association Inc | Housing and shelter | 501(c)(4) | 2021 | $4.5 million | $1.5 million | 2025-12 |
| Houston Business Development Inc | Community improvement and capacity building | 501(c)(3) | 2019 | $4.5 million | $18.4 million | 2024-12 |
| Texas Inter-Faith Housing Corporati On | Housing and shelter | 501(c)(3) | 1968 | $4.4 million | $18.3 million | 2024-12 |
| Houston Arboretum & Nature Center | Environment | 501(c)(3) | 1967 | $4.4 million | $8.2 million | 2025-06 |
| Paradisus Dei Inc | Religion-related | 501(c)(3) | 2003 | $4.4 million | $6.2 million | 2025-06 |
| Ananias House | International, foreign affairs and national security | 501(c)(3) | 2018 | $4.4 million | $3.7 million | 2025-11 |
| Houston Pregnancy Help Center Inc | Human services | 501(c)(3) | 2004 | $4.4 million | $5.9 million | 2024-12 |
| Coronado Club | 501(c)(7) | 1957 | $4.3 million | $11.1 million | 2025-12 | |
| Sunshine Kids Foundation | Health care | 501(c)(3) | 1982 | $4.3 million | $12.6 million | 2025-12 |
| Rothko Chapel | Religion-related | 501(c)(3) | 1972 | $4.3 million | $44.8 million | 2025-06 |
| Grand Lakes Community Association Inc | Community improvement and capacity building | 501(c)(4) | 2008 | $4.3 million | $5.2 million | 2024-12 |
| Lone Star Flight Museum | Arts, culture and humanities | 501(c)(3) | 1987 | $4.3 million | $35.5 million | 2024-12 |
| Ecap Enterprises Inc | Education | 501(c)(3) | 2023 | $4.2 million | $3.2 million | 2025-08 |
| Commonwealth Institute of Funeral Service | Education | 501(c)(3) | 1989 | $4.2 million | $12.2 million | 2024-12 |
| Casa de Esperanza de Los Ninos Incorporated | 501(c)(3) | 1984 | $4.2 million | $4.4 million | 2025-12 | |
| Camp Ozark Foundation Inc | Youth development | 501(c)(3) | 2002 | $4.2 million | $9 million | 2024-12 |
| Carruth Center Inc | Education | 501(c)(3) | 2003 | $4.2 million | $954,246 | 2025-07 |
| G & H Nutrition Centers of Texas | Food, agriculture and nutrition | 501(c)(3) | 2015 | $4.2 million | $417,551 | 2024-12 |
| Ambassadors for Christ Youthministries | Youth development | 501(c)(3) | 2013 | $4.2 million | $333,811 | 2025-09 |
| Houston Area Plumbing Joint Apprenticeship Committee | 501(c)(5) | 1957 | $4.2 million | $7.5 million | 2025-08 | |
| Strake Jesuit Foundation | Education | 501(c)(3) | 2000 | $4.1 million | $36.5 million | 2025-06 |
| Bear Be A Resource for CPS Kids | Human services | 501(c)(3) | 1997 | $4.1 million | $3.3 million | 2025-09 |
| Bayou Club of Houston | 501(c)(7) | 1940 | $4.1 million | $7.3 million | 2025-12 | |
| Vita-Living Foundation | Human services | 501(c)(3) | 1998 | $4.1 million | $9.8 million | 2025-12 |
| The Texas International Institute of Health Professions | Education | 501(c)(3) | 2014 | $4.1 million | $4 million | 2024-12 |
| Collaborative for Children | Human services | 501(c)(3) | 1988 | $4.1 million | $3.7 million | 2025-12 |
| A Partners | Religion-related | 501(c)(3) | 2009 | $4.1 million | $3.7 million | 2025-08 |
| Rescued Pets Movement Inc | Animal-related | 501(c)(3) | 2014 | $4.1 million | $3.1 million | 2024-12 |
| Trees for Houston | 501(c)(3) | 1985 | $4 million | $15.9 million | 2025-05 | |
| Evangel Health Care Charities Inc | Human services | 501(c)(3) | 2002 | $4 million | $270,362 | 2024-12 |
| David & Ivory Ministries | Mental health and crisis intervention | 501(c)(3) | 2003 | $4 million | $1.7 million | 2025-12 |
| C R I Federal Services | Employment | 501(c)(3) | 1999 | $4 million | $4.5 million | 2025-06 |
| Sanctuary Foster Care Services | Human services | 501(c)(3) | 2018 | $4 million | $1.2 million | 2024-12 |
| Spaulding for Children Dba Arms Wide | Human services | 501(c)(3) | 1981 | $3.9 million | $3.6 million | 2025-12 |
| Stand for America Inc | Community improvement and capacity building | 501(c)(4) | 2019 | $3.9 million | $453,135 | 2024-12 |
| Scientific Technology and Language Institute | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1997 | $3.9 million | $784,388 | 2025-12 |
| Transmit Receive Labs Inc | Education | 501(c)(3) | 2015 | $3.9 million | $1.8 million | 2025-12 |
| Fundacion Latinoamericana de Accion Social Inc | Health care | 501(c)(3) | 1995 | $3.9 million | $1.4 million | 2024-12 |
| Spring Branch Education Foundation | Education | 501(c)(3) | 1993 | $3.9 million | $6.5 million | 2025-06 |
| International Alliance Theatrical Stage Employees & Moving Picture | 501(c)(5) | 1941 | $3.9 million | $1.1 million | 2024-12 | |
| Monarch Community Inc | Mental health and crisis intervention | 501(c)(3) | 2023 | $3.9 million | $320,416 | 2024-12 |
| Houston Police Officers Union | 501(c)(5) | 1997 | $3.9 million | $6.9 million | 2024-12 | |
| Crime Stoppers of Houston Inc | 501(c)(3) | 1981 | $3.8 million | $14.4 million | 2025-12 | |
| Almaghrib Institute Inc | Religion-related | 501(c)(3) | 2005 | $3.8 million | $6.1 million | 2024-12 |
| Prison Entrepreneurship Program | Human services | 501(c)(3) | 2005 | $3.8 million | $8.3 million | 2025-12 |
| Service Employees International Union | 501(c)(5) | 1943 | $3.8 million | $445,841 | 2024-12 | |
| Halliburton Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2009 | $3.8 million | $1.2 million | 2024-12 |
| Rupani Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $3.8 million | $663,265 | 2024-12 |
| Houston Apartment Association | 501(c)(6) | 1965 | $3.8 million | $3.6 million | 2024-12 | |
| Rebuilding Together Houston | Housing and shelter | 501(c)(3) | 1983 | $3.8 million | $1.9 million | 2024-12 |
| Elijah Rising | Human services | 501(c)(3) | 2013 | $3.8 million | $6.1 million | 2026-03 |
| Tanglewood Homes Association Inc | 501(c)(4) | 1960 | $3.7 million | $2.3 million | 2025-12 | |
| Daya Inc | Community improvement and capacity building | 501(c)(3) | 1997 | $3.7 million | $4.6 million | 2024-12 |
| Brenda and John H Duncan Rise School of Houston | Education | 501(c)(3) | 1999 | $3.7 million | $11.8 million | 2025-07 |
| Natura Bolivia Foundation | International, foreign affairs and national security | 501(c)(3) | 2016 | $3.7 million | $1.9 million | 2025-12 |
| A Plus Unlimited Charter School | Education | 501(c)(3) | 2014 | $3.7 million | $5.7 million | 2025-08 |
| Coalition for Barrier Free Living | Diseases, disorders and medical disciplines | 501(c)(3) | 1975 | $3.7 million | $2.5 million | 2024-09 |
| Houston Texans Foundation | Youth development | 501(c)(3) | 2002 | $3.7 million | $2.9 million | 2024-12 |
| The Arbor School | Education | 501(c)(3) | 1992 | $3.6 million | $13.5 million | 2025-07 |
| Heart of the Kids Social Services Inc | Youth development | 501(c)(3) | 2009 | $3.6 million | $897,823 | 2025-12 |
| Southern Newspapers Inc Media Employeess Medical Plan Trust | 501(c)(9) | 1983 | $3.6 million | $197,667 | 2024-12 | |
| Kelsey Research Foundation | Diseases, disorders and medical disciplines | 501(c)(3) | 2001 | $3.6 million | $10.5 million | 2024-12 |
| Bnai Brith Senior Citizens Housing Committee of Houston Inc | Housing and shelter | 501(c)(3) | 1978 | $3.6 million | $7.7 million | 2024-12 |
| Houston Volunteer Lawyers Program Inc | Crime and legal-related | 501(c)(3) | 1987 | $3.5 million | $4.7 million | 2025-12 |
| Congaree Foundation | Youth development | 501(c)(3) | 2016 | $3.5 million | $18.7 million | 2024-12 |
| Summerwood Community Association Inc | Housing and shelter | 501(c)(4) | 2000 | $3.5 million | $2 million | 2024-12 |
| Halo House Foundation | Diseases, disorders and medical disciplines | 501(c)(3) | 2010 | $3.5 million | $18.8 million | 2024-12 |
| American Federation of Teachers | 501(c)(5) | 1967 | $3.5 million | $1.5 million | 2025-06 | |
| Consumer Energy Alliance Inc | Environment | 501(c)(4) | 2008 | $3.5 million | $1.8 million | 2025-12 |
| Children at Risk Inc | Crime and legal-related | 501(c)(3) | 1992 | $3.5 million | $2.3 million | 2024-12 |
| Greenhouse E3 | Housing and shelter | 501(c)(3) | 2020 | $3.4 million | $3.1 million | 2025-06 |
| Epilepsy Foundation of Texas | Diseases, disorders and medical disciplines | 501(c)(3) | 1981 | $3.4 million | $2.4 million | 2024-12 |
| Texas Medical Center Foundation | Health care | 501(c)(3) | 2015 | $3.4 million | $3.9 million | 2024-12 |
| Houston Municipal Golf Association Inc | Recreation and sports | 501(c)(3) | 2016 | $3.4 million | $11.6 million | 2024-12 |
| Julia C Hester House Inc | 501(c)(3) | 1994 | $3.4 million | $6.6 million | 2024-12 | |
| Da Camera Society of Texas | Arts, culture and humanities | 501(c)(3) | 1988 | $3.4 million | $3.9 million | 2025-06 |
| Cristo Rey Work Study Program | Employment | 501(c)(3) | 2013 | $3.4 million | $343,861 | 2025-06 |
By cause in Houston, TX
- Religion-related 3,017
- Human services 1,732
- Education 1,728
- Philanthropy, voluntarism and grantmaking foundations 1,145
- Arts, culture and humanities 978
- Community improvement and capacity building 743
- Recreation and sports 542
- Youth development 541
- Housing and shelter 444
- Health care 389
- Mental health and crisis intervention 251
- International, foreign affairs and national security 211
- Animal-related 200
- Public and societal benefit 194
- Environment 155
- Crime and legal-related 152
- Food, agriculture and nutrition 133
- Diseases, disorders and medical disciplines 124
- Employment 116
- Civil rights, social action and advocacy 107
- Mutual and membership benefit 91
- Public safety, disaster preparedness and relief 91
- Medical research 77
- Science and technology 70
- Social science 23
Nonprofits in every city of the state
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.