| Manned Space Flight Education Foundation Incorporated | 501(c)(3) | 1987 | $61.2 million | $125.2 million | 2024-12 |
| Lloyds Register North America Inc | 501(c)(6) | 2004 | $44.1 million | $65.8 million | 2025-06 |
| Gulf Coast Community Services Association Inc | 501(c)(3) | 1968 | $29.7 million | $7.8 million | 2025-09 |
| American Productivity & Quality Center Inc | 501(c)(3) | 1976 | $20.6 million | $40.1 million | 2024-12 |
| Association for Materials Protection and Performances Inc | 501(c)(6) | 2018 | $14 million | $12.6 million | 2024-12 |
| Old Spanish Trail-Almeda Corridors Redevelopment Authority | 501(c)(3) | 2014 | $13.1 million | $91.3 million | 2025-06 |
| Junior League of Houston Inc | 501(c)(3) | 1953 | $11.4 million | $25 million | 2025-05 |
| Herzstein Investments Inc | 501(c)(2) | 2002 | $8.6 million | $71.8 million | 2024-12 |
| William A Lawson Institute for Peace & Prosperity | 501(c)(3) | 1997 | $7.4 million | $15 million | 2025-06 |
| Childrens Charity | 501(c)(3) | 1986 | $6.9 million | $3.1 million | 2025-09 |
| Greater Houston Partnershipfoundation | 501(c)(3) | 2007 | $6.9 million | $10.5 million | 2024-12 |
| Fifth Ward Community Redevelopment | 501(c)(3) | 1990 | $6.5 million | $26.6 million | 2024-12 |
| Telfair Community Association Inc | 501(c)(4) | 2008 | $6 million | $11.4 million | 2024-12 |
| Community Association of Harmony Inc | 501(c)(4) | 2014 | $4.8 million | $5.9 million | 2024-12 |
| Gleannloch Farms Community Association Inc | 501(c)(4) | 2001 | $4.6 million | $2.2 million | 2025-12 |
| Kingdom Builders Center of Houston Texas Inc | 501(c)(3) | 2007 | $4.6 million | $24.2 million | 2024-12 |
| Houston Business Development Inc | 501(c)(3) | 2019 | $4.5 million | $18.4 million | 2024-12 |
| Grand Lakes Community Association Inc | 501(c)(4) | 2008 | $4.3 million | $5.2 million | 2024-12 |
| Stand for America Inc | 501(c)(4) | 2019 | $3.9 million | $453,135 | 2024-12 |
| Daya Inc | 501(c)(3) | 1997 | $3.7 million | $4.6 million | 2024-12 |
| Royal Oaks Residential Community Association Inc | 501(c)(4) | 2020 | $3.2 million | $3.7 million | 2024-12 |
| Alliance of Dedicated Cancer Centers Inc | 501(c)(6) | 2022 | $3.1 million | $801,528 | 2025-12 |
| Clutch City Foundation | 501(c)(3) | 1997 | $2.7 million | $4.7 million | 2025-06 |
| Covenant Community Capital Corporation | 501(c)(3) | 2000 | $2.6 million | $7.9 million | 2024-12 |
| TCCC Real Estate Inc | 501(c)(3) | 2024 | $2.6 million | $29.2 million | 2025-08 |
| Woodsons Reserve Master Community Inc | 501(c)(4) | 2018 | $2.4 million | $1.7 million | 2025-12 |
| Lakemont Community Association Inc | 501(c)(4) | 2010 | $2.2 million | $2.4 million | 2025-12 |
| Carlton Woods Creekside Association Inc | 501(c)(4) | 2006 | $2.2 million | $2.9 million | 2024-12 |
| Midtown Improvement and Development Corporation | 501(c)(3) | 2015 | $2.1 million | $908,803 | 2024-12 |
| Upper Kirby District Foundation | 501(c)(3) | 2011 | $2.1 million | $3.9 million | 2025-06 |
| Center for Houstons Future Inc | 501(c)(3) | 1993 | $2.1 million | $986,804 | 2024-12 |
| Texas Business Hall of Fame Foundation | 501(c)(3) | 1983 | $2 million | $7.2 million | 2024-12 |
| St Albert Trust | 501(c)(3) | 2012 | $2 million | $25.2 million | 2024-12 |
| East Harris County Empowerment Council | 501(c)(3) | 2009 | $2 million | $1.3 million | 2024-12 |
| Community Certified Development Corporation | 501(c)(4) | 2007 | $1.9 million | $1.2 million | 2025-09 |
| Better Business Bureau of Metropolitan Houston Educational F | 501(c)(3) | 1970 | $1.8 million | $1.7 million | 2024-12 |
| Remington Ranch Community Association Inc | 501(c)(4) | 2015 | $1.8 million | $3.1 million | 2025-12 |
| Wilchester Club | 501(c)(7) | 2017 | $1.8 million | $4.9 million | 2025-12 |
| Mar Bella Community Inc | 501(c)(4) | 2018 | $1.8 million | $1.8 million | 2025-12 |
| Wildwood at Northpointe Community Association Inc | 501(c)(4) | 2011 | $1.7 million | $3 million | 2025-12 |
| Lake Point Estates Hoa Inc | 501(c)(4) | 2023 | $1.7 million | $2.3 million | 2024-12 |
| Greater Houston Area Womens Chamber of Commerce | 501(c)(6) | 2008 | $1.6 million | $463,992 | 2024-12 |
| VN Teamwork | 501(c)(3) | 1997 | $1.5 million | $5.1 million | 2024-12 |
| Avalon Community Association Inc | 501(c)(4) | 2010 | $1.5 million | $1.9 million | 2024-12 |
| LCMRC Holdings | 501(c)(3) | 2022 | $1.4 million | $5 million | 2024-12 |
| Hunters Park Community Assoc Inc | 501(c)(4) | 2001 | $1.4 million | $2.5 million | 2025-12 |
| The Energy Professional Association Inc | 501(c)(6) | 2006 | $1.3 million | $570,966 | 2024-12 |
| River Park West Property Owners Association | 501(c)(4) | 2016 | $1.2 million | $681,519 | 2025-12 |
| Charity Guild of Catholic Women of Harris County | 501(c)(3) | 1994 | $1.2 million | $7.9 million | 2025-04 |
| Grand Oaks Homeowners Association | 501(c)(4) | 2012 | $1.2 million | $1.8 million | 2025-12 |
| Mesa-Outreach Inc | 501(c)(3) | 2010 | $1.2 million | $179,359 | 2024-12 |
| Walnut Bend Home Association Inc | 501(c)(4) | 2007 | $1.2 million | $1.7 million | 2025-12 |
| Coalition of Community Organizations | 501(c)(3) | 2015 | $1.1 million | $169,345 | 2025-04 |
| Meadows at Imperial Oaks Homeowners Association | 501(c)(4) | 2018 | $1.1 million | $507,355 | 2025-12 |
| Morton Creek Ranch Master Association Inc | 501(c)(4) | 2014 | $1.1 million | $32,277 | 2025-12 |
| Houston Community Toolbank Inc | 501(c)(3) | 2026 | $1.1 million | $1.3 million | 2025-12 |
| Villages of Cypress Lakes Community Association | 501(c)(4) | 2012 | $1.1 million | $1.6 million | 2024-12 |
| Together We Rise Foundation | 501(c)(3) | 2024 | $1.1 million | $165,442 | 2025-12 |
| Houston Chapter American Concrete Institute | 501(c)(3) | 1980 | $1.1 million | $368,491 | 2024-12 |
| Pineloch Community Association Inc | 501(c)(4) | 2019 | $1 million | $2.4 million | 2025-12 |
| The Houston Tscpa Foundation | 501(c)(3) | 1978 | $985,425 | $3.8 million | 2025-05 |
| Parkway Villages Residential Association Inc | 501(c)(4) | 2010 | $974,502 | $2.2 million | 2025-12 |
| Morton Creek Ranch Community Association Inc | 501(c)(4) | 2012 | $965,916 | $1 million | 2025-12 |
| Bonding Against Adversity Inc | 501(c)(3) | 2023 | $956,054 | $806,213 | 2024-12 |
| Greater Houston Lesbian Gay Bisexual Transgender Chamber of Co | 501(c)(6) | 2016 | $953,345 | $189,322 | 2024-12 |
| Briarwood Crossing Community Association Inc | 501(c)(4) | 2012 | $927,342 | $984,345 | 2025-12 |
| Valley Ranch Home Owners Association Inc | 501(c)(4) | 2014 | $896,849 | $690,430 | 2025-12 |
| Fostering Family | 501(c)(3) | 2019 | $822,563 | $226,112 | 2025-06 |
| Houston Freedmens Town Conservancy Inc | 501(c)(3) | 2019 | $821,797 | $1.4 million | 2024-12 |
| CR Homeowners Association Inc | 501(c)(4) | 2020 | $806,360 | $1.2 million | 2025-12 |
| Spring Branch Human Resources Partnership Inc | 501(c)(3) | 1997 | $792,516 | $1.4 million | 2025-12 |
| Hayden Lakes Community Association Inc | 501(c)(4) | 2022 | $756,491 | $704,747 | 2025-12 |
| Briarwood Crossing Master Association Inc | 501(c)(4) | 2014 | $748,084 | $121,841 | 2025-12 |
| Institute of Real Estate Management of the Natl Association of Realtors | 501(c)(6) | 1976 | $733,881 | $653,595 | 2025-12 |
| Houston Junior Forum Inc | 501(c)(3) | 1956 | $724,226 | $3.2 million | 2025-05 |
| Central Houston Civic Improvement Inc | 501(c)(3) | 1984 | $710,783 | $2.2 million | 2024-12 |
| Winchester Country Maintenance Association | 501(c)(4) | 2025 | $691,224 | $1.3 million | 2025-12 |
| Pods Association Inc | 501(c)(6) | 2004 | $687,724 | $423,502 | 2025-12 |
| Assistance League of Houston | 501(c)(3) | 1967 | $684,644 | $6.9 million | 2025-05 |
| Sedona Lakes Homeowners Association | 501(c)(4) | 2023 | $677,879 | $869,807 | 2025-12 |
| Pure Justice | 501(c)(3) | 2020 | $670,756 | $1.2 million | 2024-12 |
| Fairfield Central Neighborhood Association Inc | 501(c)(4) | 2014 | $670,298 | $1.5 million | 2024-12 |
| Onpurpose Enrichment Inc | 501(c)(3) | 2020 | $662,714 | $92,874 | 2024-12 |
| Inwood North Home Owners Association Inc | 501(c)(4) | 2015 | $631,420 | $2.1 million | 2023-12 |
| Victory Lakes Community Association Inc | 501(c)(4) | 2022 | $629,165 | $596,882 | 2024-12 |
| Villages of Cypress Lakes West Community Association Inc | 501(c)(4) | 2012 | $624,043 | $897,682 | 2024-12 |
| Young Black Pharma | 501(c)(6) | 2022 | $618,162 | $379,376 | 2025-12 |
| Village Place Community Association Inc | 501(c)(4) | 2019 | $598,619 | $863,285 | 2024-12 |
| The Pyramid Community Development Corporation | 501(c)(3) | 1993 | $596,414 | $1.3 million | 2024-12 |
| Alliance for Coffee Excellence Inc | 501(c)(6) | 2004 | $591,885 | $611,656 | 2025-12 |
| Indo-American Chamber of Commerce of Greater Houston | 501(c)(6) | 2000 | $552,932 | $589,309 | 2024-12 |
| Cross Creek Ranch Commercial Association Inc | 501(c)(4) | 2020 | $551,328 | $122,132 | 2025-12 |
| Houston Junior Aeros Hockey Association | 501(c)(3) | 1991 | $547,201 | $813,979 | 2025-06 |
| Thornwood Fund Inc | 501(c)(4) | 1999 | $538,060 | $359,308 | 2025-12 |
| Baby Cakes and Brunch | 501(c)(3) | 2017 | $532,017 | $158,496 | 2025-12 |
| Eagle Landing Community Association | 501(c)(4) | 2012 | $522,389 | $772,487 | 2024-12 |
| West Oaks Village Community Assoc Inc | 501(c)(4) | 2014 | $519,600 | $386,249 | 2025-12 |
| Texans for Clean Water Inc | 501(c)(4) | 2014 | $515,000 | $13,376 | 2025-12 |
| Clean Up Houston Inc | 501(c)(3) | 2024 | $500,600 | $467,532 | 2025-12 |
| Brazil-Texas Chamber of Commerce | 501(c)(6) | 2003 | $498,192 | $332,353 | 2025-12 |
| Terra Del Sol Homeowners Association Inc | 501(c)(4) | 2012 | $498,147 | $628,705 | 2024-12 |
| Telfair Commercial Association Inc | 501(c)(4) | 2018 | $488,132 | $988,707 | 2025-12 |
| Malaysian Timber Council | 501(c)(6) | 2020 | $487,868 | $425,257 | 2025-12 |
| Houston Downtown Improvement Inc | 501(c)(3) | 1983 | $487,751 | $954,616 | 2025-09 |
| University Green Patio Homeowners Association | 501(c)(4) | 2020 | $465,043 | $398,309 | 2025-12 |
| Row House Community Development | 501(c)(3) | 2004 | $463,165 | $4.9 million | 2025-08 |
| Leadership Houston Inc | 501(c)(3) | 1992 | $451,689 | $455,799 | 2025-06 |
| Fairpark Village Community Assocation Inc | 501(c)(4) | 2012 | $430,992 | $1.2 million | 2025-12 |
| Gulf Coast Economic Development District Inc | 501(c)(3) | 1995 | $423,752 | $5.4 million | 2025-06 |
| Forest Village Community Association Inc | 501(c)(4) | 2014 | $407,885 | $494,321 | 2024-12 |
| Project Management Institute | 501(c)(6) | 2001 | $400,372 | $701,339 | 2024-12 |
| Settlers Village Community Improvem Ent Association | 501(c)(4) | 2025 | $396,634 | $840,967 | 2025-12 |
| Bristol Lakes Homeowners Association Inc | 501(c)(4) | 2023 | $382,593 | $365,860 | 2024-12 |
| Community Collective for Houston | 501(c)(3) | 2023 | $380,965 | $2.8 million | 2024-12 |
| Kiwanis Foundation of Houston | 501(c)(3) | 1966 | $379,917 | $5.8 million | 2025-09 |
| Ypo Bayou City Inc | 501(c)(6) | 2023 | $377,049 | $223,107 | 2025-06 |
| Kings Crossing Trail Association | 501(c)(4) | 2005 | $373,036 | $542,010 | 2024-06 |
| City Wide Club of Clubs | 501(c)(3) | 1989 | $372,512 | $803,910 | 2023-12 |
| Clay Road Homeowners Association | 501(c)(4) | 2019 | $361,558 | $856,192 | 2025-12 |
| Memorial Thicket Homeowners Homeowners Inc | 501(c)(4) | 2010 | $347,130 | $861,070 | 2025-12 |
| Anniston Community Foundation Inc | 501(c)(4) | 2025 | $346,687 | $381,120 | 2025-12 |
| Communities for Better Health | 501(c)(3) | 2019 | $341,546 | $141,926 | 2025-12 |
| Four Corners Clean Energy Alliance | 501(c)(4) | 2025 | $340,952 | $42,360 | 2024-12 |
| East End Maker Hub Qalicb Inc | 501(c)(3) | 2020 | $337,290 | $34 million | 2024-12 |
| Woodbridge Property Owners Association Inc | 501(c)(4) | 2010 | $332,304 | $678,975 | 2025-12 |
| Find Inc | 501(c)(3) | 2018 | $319,720 | $358,563 | 2025-12 |
| Pink Boots Society | 501(c)(3) | 2012 | $319,700 | $950,728 | 2025-12 |
| Park at Glen Arbor Homeowners Association Inc | 501(c)(4) | 2012 | $315,098 | $334,813 | 2024-12 |
| Normandy Forest Homeowners Association Inc | 501(c)(4) | 2014 | $311,924 | $560,441 | 2025-12 |
| Claytons Park Community Association Inc | 501(c)(4) | 2012 | $306,735 | $1.1 million | 2025-12 |
| Argentina-Texas Chamber of Commerce | 501(c)(6) | 2017 | $304,948 | $242,770 | 2024-12 |
| Sawmill Ranch Homeowners Association | 501(c)(4) | 2022 | $290,001 | $168,128 | 2025-12 |
| Rotary Club of Houston Foundation | 501(c)(3) | 1967 | $284,655 | $1.4 million | 2025-06 |
| Lakes at Edgewater Estates Homeowners Association Inc | 501(c)(4) | 2015 | $271,585 | $307,102 | 2025-12 |
| Corenet Global Inc Houston Chapter of Corenet Global | 501(c)(6) | 2023 | $260,790 | $210,173 | 2026-03 |
| Bay Area Houston Advanced Technology Consortium | 501(c)(3) | 2012 | $259,426 | $40,190 | 2024-12 |
| Peoples United Summit | 501(c)(3) | 1996 | $257,417 | $389,902 | 2024-12 |
| Namc Inc | 501(c)(6) | 2008 | $255,968 | $0 | 2023-12 |
| Shepherd Park Plaza Civic Club Inc | 501(c)(4) | 2020 | $253,612 | $132,855 | 2026-03 |
| Heatherwood Village Community Association Inc | 501(c)(4) | 2023 | $241,356 | $552,275 | 2025-12 |
| Texas Association Civil Trial and Appellate Specialists | 501(c)(6) | 1999 | $238,435 | $141,528 | 2025-12 |
| Ypo Wild West Regional Chapter Inc | 501(c)(6) | 2017 | $237,394 | $72,060 | 2023-08 |
| Homeowners Association of Barkers Crossing Inc | 501(c)(4) | 2012 | $236,874 | $1.1 million | 2024-12 |
| Petroleum Industry Data Exchange | 501(c)(6) | 2011 | $234,767 | $327,269 | 2025-12 |
| Community Loan Center of Greater Houston | 501(c)(3) | 2015 | $228,019 | $1.5 million | 2025-12 |
| Owners in Honor | 501(c)(3) | 2024 | $225,041 | $88,919 | 2025-12 |
| Indian Trail Committee | 501(c)(4) | 2022 | $223,898 | $139,072 | 2025-12 |
| Journey Conference and Retreat Center | 501(c)(3) | 2023 | $223,124 | $15,016 | 2024-12 |
| Clear Brook Meadows Owners Association Inc | 501(c)(4) | 2014 | $221,708 | $215,339 | 2025-12 |
| Riverchase Trail Association Inc | 501(c)(4) | 2004 | $220,337 | $182,889 | 2025-05 |
| A Tale of Two Bridges Inc | 501(c)(3) | 2024 | $219,359 | $185,684 | 2025-12 |
| Cypress Creek Crossing Homeowners Association Inc | 501(c)(4) | 2014 | $217,657 | $87,642 | 2025-12 |
| Houston Junior Womans Club | 501(c)(3) | 2014 | $217,149 | $110,277 | 2026-04 |
| Lone Star State Capital Corporation | 501(c)(3) | 2009 | $214,956 | $265,099 | 2025-09 |
| Fidelis International Inc | 501(c)(3) | 2012 | $214,394 | $121,643 | 2025-12 |
| American Turkic Business Council | 501(c)(6) | 2012 | $211,510 | $204,983 | 2024-12 |
| Westchase Section Three Community Association Inc | 501(c)(4) | 2001 | $209,320 | $1.2 million | 2025-12 |
| River Oaks Foundation Inc | 501(c)(3) | 2000 | $204,477 | $2.4 million | 2025-12 |
| Mandell Winlow Security Foundation | 501(c)(3) | 2015 | $202,981 | $137,927 | 2025-12 |
| International Academy of Contemporary Dentistry | 501(c)(6) | 2016 | $201,869 | $29,211 | 2024-12 |
| Save Our Sisters United | 501(c)(3) | 2018 | $199,888 | $180,185 | 2026-02 |
| Emancipation Economic Development Council | 501(c)(3) | 2019 | $198,287 | $637,273 | 2024-12 |
| Houston Junior Forum Endowment Fund Inc | 501(c)(3) | 1990 | $195,941 | $2 million | 2025-05 |
| Champion Forest 12 Home Owners Association Inc | 501(c)(4) | 2014 | $191,485 | $353,026 | 2025-12 |
| National Ocean Policy Coalition | 501(c)(6) | 2012 | $180,098 | $142,067 | 2025-12 |
| Park at Meadowhill Run Community Association Inc | 501(c)(4) | 2023 | $178,868 | $200,759 | 2024-12 |
| Millridge North Section One Community Improvement Association | 501(c)(4) | 2012 | $176,575 | $406,898 | 2025-12 |
| Timbergrove Manor Civic Club | 501(c)(4) | 2020 | $174,121 | $243,189 | 2025-12 |
| Aliana Community Council Inc | 501(c)(4) | 2012 | $171,965 | $931,535 | 2024-12 |
| Acres Homes Community Advocacy Group Corporation | 501(c)(3) | 2022 | $169,750 | $109,289 | 2025-12 |
| Acres Home Chamber for Buisness and Economic Development Inc | 501(c)(3) | 1994 | $161,208 | $903,639 | 2023-12 |
| Brazos Lakes Property Owners Association | 501(c)(4) | 2011 | $157,743 | $233,597 | 2023-12 |
| Houston Veterans Chamber of Commerce | 501(c)(6) | 2022 | $155,296 | $58,645 | 2025-12 |
| Executives Association of Houston | 501(c)(6) | 2021 | $155,063 | $64,415 | 2024-12 |
| Kirkwood South Committee | 501(c)(4) | 2009 | $153,885 | $251,227 | 2025-12 |
| Houston Department of Transformation | 501(c)(3) | 2023 | $152,502 | $45,240 | 2025-12 |
| A Lighted Path Houston | 501(c)(3) | 2023 | $150,949 | $49,615 | 2025-12 |
| Houston Relocation Professionals | 501(c)(6) | 2005 | $149,316 | $132,671 | 2024-12 |
| Ashford Grove Community Association Inc | 501(c)(4) | 2012 | $149,110 | $452,204 | 2024-12 |
| North Texas Winery Association | 501(c)(6) | 2018 | $147,905 | $36,345 | 2025-12 |
| United Most Worshipful Scottish Rite Grand Lodge Af & Am of Texas | 501(c)(10) | 2015 | $147,204 | $734,730 | 2025-05 |
| Townhouse Manor Fund Inc | 501(c)(4) | 2014 | $146,949 | $86,940 | 2024-12 |
| Bayou Micro Fund | 501(c)(3) | 2014 | $143,110 | $129,230 | 2026-06 |
| Camp Logan Security Fund Inc | 501(c)(4) | 2016 | $142,037 | $93,926 | 2025-12 |
| Thicket at Cypress Woods Community Improvement Association | 501(c)(4) | 2007 | $137,968 | $299,252 | 2024-12 |
| Innovation Center for Urban Entrepreneurship | 501(c)(3) | 2023 | $137,500 | $127,403 | 2025-12 |
| Sior Houston | 501(c)(6) | 2004 | $133,915 | $218,979 | 2024-12 |
| Sure Cdfi | 501(c)(3) | 2024 | $131,276 | $251,994 | 2025-12 |
| Dover Community Association Inc | 501(c)(4) | 2014 | $119,514 | $30,890 | 2025-12 |
| Core Initiative | 501(c)(3) | 2017 | $118,602 | $47,331 | 2023-02 |
| One Another Missions Inc | 501(c)(3) | 2013 | $117,433 | $347,001 | 2025-12 |
| Freewheels Houston | 501(c)(3) | 2019 | $117,191 | $49,480 | 2024-12 |
| Lakepointe Forest Property Owners Assoc Inc | 501(c)(4) | 2016 | $115,307 | $169,538 | 2025-12 |
| Lumalali Limu International Org | 501(c)(3) | 2023 | $112,973 | $2,143 | 2024-12 |
| Gulf Coast Plumbing-Heating-Cooling Contractors Association | 501(c)(6) | 2018 | $105,429 | $95,142 | 2025-12 |
| Meeting Professionals International | 501(c)(3) | 1981 | $105,318 | $47,280 | 2025-12 |
| Indus Entrepreneurs - Houston | 501(c)(6) | 2009 | $103,334 | $79,489 | 2024-12 |
| Headachemd for All Foundation | 501(c)(3) | 2026 | $102,000 | $102,000 | 2025-12 |
| Samara Community Foundation Inc | 501(c)(4) | 2023 | $99,688 | $232,880 | 2025-12 |
| Eat Shop | 501(c)(3) | 2024 | $99,266 | $233 | 2025-12 |
| Secured Finance Network-Houston Chapter Inc | 501(c)(6) | 2014 | $98,679 | $70,513 | 2025-12 |
| Indo-American Chamber of Commerce Foundation | 501(c)(3) | 2024 | $95,001 | $54,635 | 2025-12 |
| Greater Houston Society for Healthcare Risk Management Inc | 501(c)(6) | 2005 | $93,335 | $120,492 | 2024-12 |
| Texas Women Rainmakers | 501(c)(3) | 2014 | $92,559 | $19,765 | 2024-12 |
| Heritage Meadows Community Assoc | 501(c)(4) | 1999 | $92,407 | $308,708 | 2025-12 |
| Bayou Country Housing Trust Fund | 501(c)(3) | 2006 | $90,234 | $1.7 million | 2025-12 |
| Greenwave Partners | 501(c)(3) | 2024 | $86,326 | $148,635 | 2025-12 |
| Areaa Houston | 501(c)(6) | 2015 | $82,568 | $35,821 | 2026-02 |
| One Delta Plaza Educational Center | 501(c)(3) | 1990 | $80,900 | $192,223 | 2025-06 |
| Sunset Terrace-Montclair Civic Association | 501(c)(4) | 2020 | $79,626 | $94,470 | 2025-12 |
| Afge Va Local 1454 | 501(c)(5) | 2014 | $78,961 | $195,119 | 2025-12 |
| Mentorscope Community Outreach | 501(c)(3) | 2016 | $76,525 | $2,286 | 2023-12 |
| Clear Creek Park Homeowners Association Inc | 501(c)(4) | 2000 | $76,312 | $65,572 | 2025-12 |
| Houston Hearts Chapter National Charity League Inc | 501(c)(3) | 2002 | $75,173 | $102,396 | 2025-05 |
| Executive Service Corps of Houston Inc | 501(c)(3) | 1985 | $74,175 | $99,341 | 2024-12 |
| Edgemont Civic Association | 501(c)(4) | 2000 | $72,586 | $22,849 | 2025-09 |
| Monarch Oaks Civic Association | 501(c)(4) | 2020 | $72,188 | $78,694 | 2025-12 |
| Bishop Byrne Home Association | 501(c)(2) | 2019 | $71,607 | $910,739 | 2024-06 |
| Houston Chapter of China General Chamber of Commerce-Usa | 501(c)(6) | 2016 | $71,500 | $177,432 | 2024-12 |
| Society for Underwater Technology | 501(c)(3) | 2022 | $69,957 | $51,226 | 2025-06 |
| River Oaks Womens Breakfast Club Inc | 501(c)(6) | 2008 | $69,924 | $53,484 | 2025-12 |
| Friends of El Salvador | 501(c)(3) | 2023 | $69,289 | $315 | 2024-12 |
| Powder River Basin Coal Users Group | 501(c)(6) | 2007 | $69,032 | $136,858 | 2025-12 |
| Feed the Soul Foundation | 501(c)(3) | 2020 | $68,197 | $2 million | 2024-06 |
| National Charity League Inc | 501(c)(3) | 1993 | $67,203 | $182,615 | 2025-05 |
| H-Gac Corporation for Regional Excellence | 501(c)(3) | 2004 | $66,326 | $1.1 million | 2025-12 |
| Regency Fiction Writers Inc | 501(c)(6) | 2020 | $64,821 | $108,803 | 2025-12 |
| Denver Harbor Cares Inc | 501(c)(3) | 2024 | $63,605 | $53,932 | 2025-12 |
| National Black Mba Association Houston Chapter Inc | 501(c)(3) | 1998 | $63,245 | $240,252 | 2024-12 |
| American Society for Non-Destructive Testing | 501(c)(6) | 2005 | $60,569 | $172,393 | 2025-06 |
| Houston Area Nurse Practitioners Inc | 501(c)(3) | 2002 | $56,734 | $100,072 | 2025-08 |
| Fairfield Place Property Owners Association Inc | 501(c)(4) | 2020 | $56,587 | $142,523 | 2024-12 |
| National Charity League | 501(c)(3) | 2004 | $55,899 | $130,580 | 2026-05 |
| Alpha Impact Charitable Foundation | 501(c)(3) | 2013 | $55,128 | $64,105 | 2024-12 |
| Optometric Student Association at Uhco | 501(c)(6) | 2016 | $54,107 | $8,306 | 2023-05 |
| Timbergrove Manor Neighborhood Association | 501(c)(4) | 2012 | $53,122 | $92,869 | 2025-06 |
| Memorial Spring Branch Rotary Club Charities Inc | 501(c)(3) | 1985 | $52,979 | $412,220 | 2025-06 |
| Camara de Comercio Centroamericana de Texas | 501(c)(6) | 2014 | $49,000 | $1 | 2025-12 |
| Kipcommunity Foundation | 501(c)(3) | 2024 | $48,121 | $11,603 | 2024-12 |
| American Ismaili Chamber of Commerce | 501(c)(6) | 2013 | $47,354 | $100,885 | 2024-12 |
| Houston Gulf Coast Irrigation Associaiton | 501(c)(6) | 2004 | $45,472 | $35,292 | 2024-12 |
| Woodshire Civic Club | 501(c)(4) | 2024 | $45,300 | $45,937 | 2025-12 |
| By Our Hands | 501(c)(3) | 2016 | $44,250 | $20 | 2025-12 |
| Houston Delta Gamma Foundation | 501(c)(3) | 1973 | $43,028 | $447,763 | 2025-12 |
| Asian American Bar Association | 501(c)(6) | 2007 | $42,788 | $304,596 | 2024-12 |
| Westborough Place Homeowners Association Inc | 501(c)(4) | 2003 | $41,747 | $81,955 | 2023-12 |
| Essence of Benevolence Grand Chapter | 501(c)(3) | 2023 | $41,652 | $3,769 | 2024-12 |
| Skys the Limit National Community Development Corp | 501(c)(3) | 2020 | $40,000 | $11,932 | 2025-12 |
| Leadership Houston Endowment Inc | 501(c)(3) | 2001 | $39,665 | $514,916 | 2024-12 |
| Houston Patent Law Association | 501(c)(6) | 2017 | $37,974 | $302,148 | 2025-03 |
| Global Federation of Chinese Business Women in Southern USA Inc | 501(c)(6) | 1999 | $34,739 | $57,621 | 2024-12 |
| Institute of Continuing Education | 501(c)(6) | 2000 | $33,389 | $890,517 | 2025-06 |
| Nations One Community Development Corporation Inc | 501(c)(3) | 2017 | $30,801 | $19,926 | 2024-12 |
| Taiwan Hotel & Motel Association of North America | 501(c)(6) | 2020 | $30,324 | $45,641 | 2025-06 |
| Noah Giving Hands | 501(c)(3) | 2023 | $29,200 | $1 | 2025-12 |
| Houston Compensation Association | 501(c)(6) | 2002 | $29,006 | $72,141 | 2025-12 |
| Luz de Oriente Numero 64 | 501(c)(3) | 2022 | $27,611 | $325,060 | 2025-12 |
| Houston Area Consortium of Career Centers | 501(c)(3) | 2000 | $27,369 | $97,507 | 2025-12 |
| Polish American Chamber of Commerce in Texas | 501(c)(6) | 2020 | $27,058 | $21,976 | 2025-12 |
| National Black Nurse Practitioner Association | 501(c)(3) | 2014 | $25,138 | $4,063 | 2024-12 |
| Nomads Inc | 501(c)(6) | 2008 | $24,375 | $47,977 | 2025-10 |
| Fifth Ward Chamber of Commerce | 501(c)(6) | 2020 | $24,185 | $27,865 | 2023-12 |
| Go Public Gulf Coast | 501(c)(3) | 2018 | $19,500 | $1,053 | 2024-06 |
| Apache Employee Relief Fund | 501(c)(3) | 2002 | $12,167 | $98,275 | 2025-12 |
| Her Gov Summit Inc | 501(c)(3) | 2025 | $10,000 | $1 | 2025-12 |
| Open Network for Commerce Exchange | 501(c)(6) | 2003 | $10,000 | $11,604 | 2025-12 |
| Up Community Impact Fund Corp | 501(c)(3) | 2021 | $9,514 | $2.4 million | 2024-12 |
| Mental Health Channel | 501(c)(3) | 2016 | $8,176 | $187,848 | 2025-12 |
| The Women Know How Inc | 501(c)(3) | 2022 | $8,120 | $1 | 2025-12 |
| Your Houston Inc | 501(c)(4) | 2021 | $7,539 | $179,490 | 2024-12 |
| Texas Public Energy Alliance | 501(c)(4) | 2025 | $7,000 | $331,103 | 2025-12 |
| Leading Operating Transforming Unifying Strengthening Incorporate | 501(c)(6) | 2019 | $6,525 | $19,759 | 2025-12 |
| Sila Community Foundation Inc | 501(c)(4) | 2025 | $5,471 | $5,466 | 2025-12 |
| Starting With 2 Day | 501(c)(3) | 2026 | $4,500 | $1 | 2023-12 |
| Roboglobal Stem Initiative Inc | 501(c)(3) | 2022 | $4,250 | $140 | 2023-12 |
| Houston Asian Jaycee Foundation | 501(c)(3) | 2005 | $4,119 | $75,805 | 2024-12 |
| Tanglewilde Civic Club | 501(c)(4) | 2025 | $3,006 | $2,339 | 2025-12 |
| Havalimane Foundation Inc | 501(c)(3) | 2022 | $3,000 | $4,974 | 2024-12 |
| On the Upward Initiative | 501(c)(3) | 2024 | $2,884 | $1 | 2024-06 |
| Sesh Foundation | 501(c)(3) | 2024 | $1,699 | $587 | 2024-12 |
| Houston International Initiatives | 501(c)(3) | 2013 | $1,110 | $50,053 | 2025-07 |
| Black Contractors and Business Owners | 501(c)(3) | 2005 | $700 | $700 | 2025-12 |
| Antioch Project Reach | 501(c)(3) | 1995 | $116 | $18,901 | 2024-12 |
| Key Lewis Foundation Inc | 501(c)(3) | 2024 | $1 | $0 | 2025-12 |
| 1 Established Mind | 501(c)(3) | 2026 | | | |
| 272ND Engineering and Installation Squadron Unit Advisory Council | 501(c)(4) | 2018 | $0 | $0 | 2026-05 |
| 6800 Bellaire Project Inc | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| 7502 Old Katy Road Company | 501(c)(3) | 2003 | $0 | $1 | 2025-06 |
| A Safe Place Community Development Corporation | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Acres Home Multi-Service Center Community Advisory Committee Inc | 501(c)(3) | 1993 | $0 | $0 | 2023-12 |
| Action Outreach in Our Community | 501(c)(3) | 2024 | | $1 | 2024-12 |
| Afghan Pashai Community USA Inc | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| African-American Postal League United for Success A-Plus | 501(c)(6) | 2004 | $0 | $0 | 2025-12 |
| Agape International Outreach Incorporation | 501(c)(4) | 2025 | | | |
| Aiap-Tx | 501(c)(3) | 2025 | $0 | $0 | 2025-10 |
| Alabama Gardens Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| American Nephrology Nurses Association | 501(c)(6) | 2001 | $0 | $0 | 2026-03 |
| Amigas and Friends Network Inc | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Amor Advocacy for Migrant Opportunities and Resources Inc | 501(c)(3) | 2024 | | | |
| Anna Grace Ministry Foundation | 501(c)(3) | 2025 | | | |
| Apprenticeship Alliance | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Ark Initiative | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Assemblage | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Association of Black Social Workers of Texas | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Association of Black Women Dentists Inc | 501(c)(3) | 2025 | | | |
| Association of Washington Avenue Neighbors Inc | 501(c)(4) | 2013 | $0 | $0 | 2025-12 |
| Association of Women Attorneys | 501(c)(6) | 2006 | $0 | $0 | 2025-12 |
| Association of Woodwind Lakes Homeo Wners Inc | 501(c)(4) | 2026 | | | |
| Audubon Mixed-Use Owners Association Inc | 501(c)(4) | 2026 | | | |
| Avenue L Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Ayala Home Helpers Inc | 501(c)(3) | 2024 | | | |
| B W F B C Holdings Inc | 501(c)(2) | 2019 | $0 | $0 | 2023-12 |
| Baba Bangladeshi American Business Association | 501(c)(6) | 2026 | | | |
| Bay Area Dental Hygienists Association | 501(c)(6) | 2017 | $0 | $0 | 2025-12 |
| Bcca Appeal Group | 501(c)(6) | 2002 | $0 | $0 | 2023-12 |
| Bear Creek Copperfield Rotary Club | 501(c)(4) | 2012 | $0 | $0 | 2026-06 |
| Benefit Life Foundation Inc | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Berean Community Center Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-05 |
| Beyond the Degree Inc | 501(c)(3) | 2024 | | | |
| Black Book Empowerment | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Bonbrook Plantation Community Association | 501(c)(4) | 2025 | | | |
| Braeburn Glen Civic Club | 501(c)(4) | 2016 | $0 | $0 | 2025-12 |
| Braeburn Storefront Citizens Advisory Council Inc | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| Breakin Khainz | 501(c)(3) | 2023 | $0 | $0 | 2025-03 |
| Brighter Source Group | 501(c)(3) | 2024 | | | |
| Brook Community Development Corp | 501(c)(3) | 2021 | $0 | $0 | 2023-12 |
| Brook-Woods Community Resilience Fo Undation | 501(c)(3) | 2025 | | | |
| Brookhaven Civic Club | 501(c)(4) | 2025 | $0 | $0 | 2024-12 |
| Brown Chapel Community Development Corporation | 501(c)(3) | 2018 | $0 | $0 | 2023-12 |
| Buffalo Bayou Trail Coalition | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Building Strong Foundations Community Outreach | 501(c)(3) | 2024 | | | |
| Built Environment Technology Association | 501(c)(6) | 2017 | $0 | $0 | 2025-06 |
| Business League Inc | 501(c)(6) | 2002 | $0 | $0 | 2024-12 |
| Business Women in Petrochemicals Bip Incorporated | 501(c)(3) | 2014 | $0 | $53,701 | 2024-12 |
| CGM Open Foundation | 501(c)(6) | 2014 | $0 | $0 | 2025-12 |
| Camara Oficial Mexicana Empresarial | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Center for Community Initiatives of the Greater Houston Community F | 501(c)(3) | 2001 | $0 | $1 | 2025-12 |
| Certified Opticians Association of Texas Inc | 501(c)(6) | 2009 | $0 | $0 | 2025-12 |
| Champion Her Foundation Inc | 501(c)(3) | 2024 | | | |
| Chase Community Development Corporation | 501(c)(3) | 2005 | $0 | $0 | 2024-12 |
| Checkmateforkids | 501(c)(3) | 2025 | | | |
| Church of the Living God Communitydevelopment Coroporation | 501(c)(3) | 2012 | $0 | $0 | 2024-12 |
| Citizens Transportation Coalition | 501(c)(3) | 2006 | $0 | $0 | 2026-06 |
| City Reformation Inc | 501(c)(3) | 2017 | $0 | $0 | 2023-12 |
| Civance Research | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Civic Association of the First Montrose Commons Inc | 501(c)(4) | 2018 | $0 | $0 | 2025-12 |
| Cloverleaf Community Outreach Inc | 501(c)(3) | 2025 | | | |
| Communities of Love in Action | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Community Action Assistance Coalition | 501(c)(3) | 2002 | | | |
| Community Preservation Project | 501(c)(3) | 2023 | | | |
| Connectimpact Hub | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Construction Management Association of America Inc | 501(c)(6) | 1995 | $0 | $0 | 2025-12 |
| Consult & Motivate Equals Educate | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Cottage Grove Civic Association | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Createtheculturefoundation Inc | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Crossroads Community Development Corporation | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Cyfen Express Network | 501(c)(6) | 2010 | $0 | $0 | 2025-07 |
| D Square 2 Corporation | 501(c)(3) | 2014 | $0 | $0 | 2025-09 |
| Dark Orchid | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Deda GLB LLC | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Dedicated People-S Foundation for the Development of Haiti | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Destination D | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Dir Alliance | 501(c)(6) | 2019 | $0 | $15,648 | 2024-12 |
| Diversity Matters Foundation | 501(c)(3) | 2024 | | | |
| Divine 9 Educational and Charitable Foundation | 501(c)(3) | 2015 | $0 | $0 | 2023-12 |
| Divine Restoration Community Development Corporation | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Downtown Super Neighborhood 61 | 501(c)(3) | 2026 | | | |
| Dr Dana D and Rev Milton E Wells Institute for Economic Mobility | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Dreamgirls Foundation | 501(c)(3) | 2024 | | | |
| Dyersforest Heights Civic Club | 501(c)(4) | 2025 | $0 | $0 | 2025-12 |
| Dynasty Kingdom Builders | 501(c)(3) | 2026 | | | |
| East End Communities | 501(c)(3) | 2026 | | | |
| East End Foundation | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| East Houston Settegast Super Neighborhoods 49 50 | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| East Lawndale Civic Association | 501(c)(4) | 2025 | $0 | $0 | 2025-12 |
| Eastwood Civic Association Inc | 501(c)(4) | 2025 | $0 | $0 | 2025-12 |
| Ekpoma Association of Houston | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Elev8 Training and Development Inc | 501(c)(3) | 2026 | | | |
| Elite Ladies of Expression Inc | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Emergency Shelter Investments Incorporated | 501(c)(3) | 2024 | | | |
| Employee Benefit Administrators Association | 501(c)(6) | 2012 | $0 | $0 | 2025-12 |
| Enterpact Inc | 501(c)(3) | 2025 | | | |
| Erina Help and Care Foundation | 501(c)(3) | 2025 | | | |
| Fallbrook Civic Club Inc | 501(c)(4) | 2026 | | | |
| Fibc Institute Incorporated | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Finnish American Chamber of Commerce Greater Houston | 501(c)(6) | 2016 | $0 | $0 | 2023-12 |
| Ford Faithful Ministries Foundation Inc | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Fort Bend County Chapter of America N Business Womens Association | 501(c)(6) | 2010 | $0 | $0 | 2025-07 |
| Fourth Ward Redevelopment Authority | 501(c)(3) | 2015 | | | |
| Fresh Project | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Friends of Cherryhurst Park | 501(c)(3) | 2025 | | | |
| Friends of Columbia Tap | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Friends of East Sunset Heights | 501(c)(3) | 2024 | $0 | $0 | 2026-06 |
| Friends of Riverside Park Houston I Ncorporated | 501(c)(3) | 2026 | $0 | $0 | 2021-12 |
| Friends of Westchase Inc | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Fruits of the Spirit Outreach | 501(c)(3) | 2026 | | | |
| Fujian Association of South USA | 501(c)(3) | 2026 | | | |
| Fujian General Chamber of Commerce-Texas USA | 501(c)(3) | 2025 | | $1 | 2018-12 |
| Fulshear Run Community Services Foundation Inc | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Gafftoppers Inc | 501(c)(3) | 2022 | $0 | $0 | 2026-01 |
| Galena Park Community Assistance Program | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Garnering Wealth Inc | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Geenius Innovators | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Gen Unison Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Ghana-Houston Chamber of Commerce | 501(c)(6) | 2016 | $0 | $14,774 | 2025-12 |
| Gideon & Tebebi Foundation | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Gift of Marys | 501(c)(3) | 2025 | | | |
| Glenbrook Valley Civic Club | 501(c)(4) | 2014 | $0 | $0 | 2025-12 |
| Global Chaplain Inc | 501(c)(3) | 2025 | | | |
| Global Chinese Urological Society Inc | 501(c)(6) | 2010 | $0 | $0 | 2025-12 |
| Goals4community Inc | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Golden Jewels and Gents | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Golden Rose Foundation Inc | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Gomer Oz Dubar | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Goodz 2 Hoodz | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Gouri Village Project | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Govuni Network Corporation | 501(c)(3) | 2025 | | | |
| Grace Abounding | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Greater Fifth Ward Super Neighborhood 55 | 501(c)(3) | 2025 | $0 | $0 | 2026-01 |
| Greater Houston Buisness Ethics Roundtable Inc | 501(c)(6) | 2025 | $0 | $0 | 2021-12 |
| Greater Inwood Partnership | 501(c)(3) | 1996 | $0 | $0 | 2025-12 |
| Greater Mission Bend Area Council | 501(c)(4) | 2010 | $0 | $0 | 2025-12 |
| Greater Northside Chamber of Commerce | 501(c)(6) | 2018 | $0 | $0 | 2025-12 |
| Greater Northside Improvement Corporation | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Greater Sugar Valley Civic Club | 501(c)(4) | 1994 | $0 | $0 | 2025-12 |
| Grenada Houston Association Inc | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Grown Girls Grow | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Gulf Coast Family Foundation | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Gulf Freeway Oaks Civic Club Inc | 501(c)(4) | 2014 | $0 | $0 | 2025-12 |
| Gulfton Super Neighborhood Council | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Guyana United States Energy Business Alliance Inc | 501(c)(6) | 2022 | $0 | $0 | 2025-12 |
| H-Town Connections Inc | 501(c)(6) | 2017 | $0 | $0 | 2025-12 |
| H2hou-Oh | 501(c)(3) | 2022 | $0 | $0 | 2023-12 |
| HR Leadership Network - Houston | 501(c)(6) | 2019 | $0 | $0 | 2025-12 |
| HTX First Responders Support Team | 501(c)(3) | 2026 | | | |
| Hardy Community Outreach | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Harvest Development Group | 501(c)(3) | 2026 | | | |
| Harwin Bargain Corridor HBC | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Haus of H2H | 501(c)(3) | 2025 | | | |
| He Leads Ill Follow | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Healing Girl Season | 501(c)(3) | 2026 | | | |
| Herbert J Provost Foundation Inc | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Hidden Valley Community Association | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Hillel Foundation of Greater Houston Inc | 501(c)(3) | 1998 | $0 | $0 | 2026-06 |
| Hilshire Village Civic Club | 501(c)(4) | 2007 | $0 | $0 | 2025-12 |
| Himalayan Blooms USA Inc | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Hiram Clarke Storefront Association of Houston | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Hispanic Executive Society International | 501(c)(6) | 2009 | $0 | $0 | 2024-02 |
| Hispanics in Commercial Real Estate - Houston | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Hobby Area Improvement Corporation | 501(c)(3) | 2016 | | | |
| Hope Center at Hope City | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Houston 2026 World Cup Organizing Committee | 501(c)(6) | 2020 | $0 | $0 | 2025-12 |
| Houston Area Collaborative Perinatal Program | 501(c)(6) | 2002 | $0 | $0 | 2024-12 |
| Houston Area Independent Schools | 501(c)(6) | 2019 | $0 | $0 | 2026-06 |
| Houston Association of Consumer Bankruptcy Attorneys | 501(c)(6) | 2010 | $0 | $0 | 2025-12 |
| Houston Business Marketing Allianc | 501(c)(6) | 2026 | | | |
| Houston Chapter-Construction Specifications Institute | 501(c)(7) | 2014 | $0 | $0 | 2026-06 |
| Houston Civic Events Inc | 501(c)(3) | 2018 | | | |
| Houston Coffee Collective | 501(c)(3) | 2026 | | | |
| Houston Country Club Place Civic Club Inc | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Houston Court Reporters Association | 501(c)(6) | 2009 | $0 | $0 | 2024-12 |
| Houston Cremm | 501(c)(6) | 2016 | $0 | $0 | 2024-12 |
| Houston Energy Finance Group | 501(c)(6) | 2014 | $0 | $0 | 2025-12 |
| Houston Exponential Inc | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Houston Hope | 501(c)(3) | 2005 | | | |
| Houston Interpreters and Translators Association | 501(c)(6) | 2006 | $0 | $0 | 2023-12 |
| Houston National Convention Host Committee 2028 | 501(c)(3) | 2026 | | | |
| Houston One Voice Inc | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Houston Writers Guild Inc | 501(c)(6) | 2016 | $0 | $0 | 2025-12 |
| Houtex Community Developmentcorporation | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| How To Foundation | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Hyde Park Civic Association | 501(c)(4) | 2013 | $0 | $0 | 2025-12 |
| Iarp Texas | 501(c)(6) | 2019 | $0 | $0 | 2025-12 |
| Icai Houston | 501(c)(6) | 2022 | $0 | $0 | 2025-12 |
| Idylwood Civic Club Inc | 501(c)(4) | 2014 | $0 | $0 | 2025-12 |
| Impact Promise Inc | 501(c)(3) | 2024 | | | |
| Independence Heights Conservancy | 501(c)(3) | 2021 | $0 | $0 | 2023-12 |
| Independence Heights Redevelopment Council | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Indian American Public Affairs Council | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Inspire Empower Grow | 501(c)(3) | 2022 | $0 | $0 | 2025-01 |
| Institute of Asian American Adult Development | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| International Association of Business Communicators | 501(c)(6) | 2021 | $0 | $0 | 2025-12 |
| International Association of Lions Clubs | 501(c)(4) | 1940 | $0 | $0 | 2024-06 |
| International Institute of Building Enclosure Consultants Inc | 501(c)(6) | 1985 | $0 | $0 | 2025-12 |
| Irvin Foundation | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| J&L Secondchance Incorporated | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| JSC SBC Elt LLC | 501(c)(6) | 2022 | $0 | $0 | 2025-12 |
| JVPNG Foundation | 501(c)(3) | 2025 | | | |
| Jeevan Jyothi Welfare | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Jiwe Houston Catholic Community | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Kalu Kalu Ngele Okata Foundation | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Kalungi Foundation | 501(c)(3) | 2024 | $0 | $1 | 2025-12 |
| Karima Christmas Foundation | 501(c)(3) | 2024 | $0 | $0 | 2026-05 |
| Kashmere Gardens Super Neighborhood Council 52 | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Keswick Place-Ramblewood Park Civic Club | 501(c)(4) | 2024 | $0 | $0 | 2025-12 |
| Kindness To Action | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Kingdom Community Builders | 501(c)(3) | 2025 | | | |
| Kingdom Crafts Childrens Ministry | 501(c)(3) | 2026 | | | |
| Kingdom Reach Corporation | 501(c)(3) | 2024 | | | |
| Kingdom View Empowerment Center | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |