Data / Nonprofits / New York / Hauppauge
Nonprofits in Hauppauge, NY: 192 registered with the IRS
192 nonprofits are registered with the IRS in Hauppauge, NY, 142 of them 501(c)(3) charities; the 95 that report revenue took in $517.1 million. The largest by revenue: Advance Care Alliance of Ny Inc ($111.6 million), Electrical Industry Board of Nassau & Suffolk Counties New York ($111.3 million), United Cerebral Palsy Association of Greater Suffolk Inc ($64.8 million). Most common causes: human services (18), philanthropy, voluntarism and grantmaking foundations (17), education (16).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Advance Care Alliance of Ny Inc | Human services | 501(c)(3) | 2015 | $111.6 million | $81 million | 2024-12 |
| Electrical Industry Board of Nassau & Suffolk Counties New York | 501(c)(5) | 1962 | $111.3 million | $7.2 million | 2024-12 | |
| United Cerebral Palsy Association of Greater Suffolk Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 1952 | $64.8 million | $46.6 million | 2025-12 |
| I B E W Local 25 Health and Benefit Fund | 501(c)(9) | 1952 | $56 million | $93.6 million | 2025-12 | |
| Head Injury Association Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 1993 | $41.9 million | $54.3 million | 2024-12 |
| Long Island Cares Inc | Human services | 501(c)(3) | 1981 | $40.6 million | $24.3 million | 2025-12 |
| Ibew 25 VHT Fund | 501(c)(9) | 1964 | $11.3 million | $4.4 million | 2025-12 | |
| International Brotherhood of Electrical Workers | 501(c)(5) | 1940 | $7 million | $11.5 million | 2024-12 | |
| Discover Long Island Inc | 501(c)(6) | 1979 | $6.1 million | $6.7 million | 2024-12 | |
| United Union of Roofers Water- Proofers & Allied Workers | Mutual and membership benefit | 501(c)(9) | 2000 | $5.9 million | $6.4 million | 2024-12 |
| Pride in Athletics for Life Corp | Recreation and sports | 501(c)(3) | 2010 | $4.6 million | $951,092 | 2025-03 |
| The Opportunity Pre-School Co | 501(c)(3) | 1987 | $4.2 million | $987,058 | 2025-06 | |
| Long Island Housing Partnership Inc | Housing and shelter | 501(c)(3) | 1988 | $3.3 million | $8.9 million | 2024-12 |
| Long Island Partnership CLT Housing Development Fund Company Inc | Housing and shelter | 501(c)(3) | 2017 | $2.6 million | $3.2 million | 2024-12 |
| Long Island Partnership Housing Development Fund Co Inc | Housing and shelter | 501(c)(3) | 1993 | $2.6 million | $3.3 million | 2024-12 |
| Suffolk County Court Employees Association Welfare Fund | 501(c)(5) | 1988 | $2.5 million | $4.8 million | 2024-12 | |
| Long Island Gay and Lesbian Youth Inc | 501(c)(3) | 2007 | $2.4 million | $3.9 million | 2025-06 | |
| London & Partners Us Limited | Community improvement and capacity building | 501(c)(6) | 2007 | $2.3 million | $280,176 | 2026-03 |
| Community Action for Social Justice | Health care | 501(c)(3) | 2017 | $2.2 million | $1.6 million | 2025-06 |
| Long Island Gay and Lesbian Youth Inc | Civil rights, social action and advocacy | 501(c)(3) | 2007 | $2.1 million | $5.1 million | 2025-06 |
| Joint Apprenticeship & Training Comm | Employment | 501(c)(3) | 1948 | $2 million | $4.4 million | 2024-12 |
| American Federation of Teachers | 501(c)(5) | 1945 | $1.8 million | $1.6 million | 2026-06 | |
| Nassau Suffolk Hospital Council Inc | 501(c)(6) | 1998 | $1.7 million | $3.2 million | 2025-12 | |
| National Electrical Contractors Assoc Inc | Community improvement and capacity building | 501(c)(6) | 1950 | $1.7 million | $3.2 million | 2025-12 |
| New York State Energy Coalition Inc | Mutual and membership benefit | 501(c)(6) | 2019 | $1.3 million | $1.8 million | 2025-12 |
| Hauppauge Swimming Inc | Recreation and sports | 501(c)(3) | 2023 | $1.3 million | $1.2 million | 2025-06 |
| Hauppauge Industrial Assoc Inc | 501(c)(6) | 1982 | $1.2 million | $643,734 | 2024-12 | |
| National Offshore Wind Training Center Inc | Education | 501(c)(3) | 2024 | $1.2 million | $3.6 million | 2024-12 |
| International Alliance Theatrical Stage Employees & Moving Pictures | 501(c)(5) | 1941 | $1.1 million | $1.9 million | 2026-03 | |
| Nassau-Suffolk Hospital Council Inc Long Island | 501(c)(3) | 1957 | $943,589 | $739,757 | 2025-12 | |
| American Federation of Labor & Congress of Industrial Orgs | 501(c)(5) | 1956 | $927,375 | $1.4 million | 2025-12 | |
| Guardians of Rescue Inc | Animal-related | 501(c)(3) | 2011 | $874,333 | $793,160 | 2025-12 |
| Suffolk County Bar Association | 501(c)(6) | 1969 | $870,756 | $1.4 million | 2025-05 | |
| Council of Administrators & Supervisors 12 Sasoc Afl-Cio | 501(c)(5) | 1974 | $856,889 | $699,056 | 2025-06 | |
| Labor Education and Community Services Agency Inc | Employment | 501(c)(3) | 1976 | $856,620 | $1.1 million | 2025-12 |
| United Union of Roofers Waterproofers & Allied Workers | 501(c)(5) | 1944 | $850,911 | $895,999 | 2024-12 | |
| Manufacturing Consortium of Long Island Corp | Community improvement and capacity building | 501(c)(6) | 2020 | $793,554 | $683,384 | 2024-12 |
| American Federation of Labor & Congress of Industrial Orgs | 501(c)(5) | 1978 | $627,211 | $279,854 | 2025-12 | |
| Empire State Carpenters Apprenticeship R E Corp | Community improvement and capacity building | 501(c)(2) | 2004 | $561,663 | $6.5 million | 2025-12 |
| Suffolk County Dental Society of the State of New York Inc | 501(c)(6) | 1996 | $560,673 | $812,053 | 2024-12 | |
| Suffolk County Court Employees Association Inc | 501(c)(5) | 1988 | $485,010 | $411,715 | 2025-03 | |
| The Association for A Better Long Island Inc | 501(c)(6) | 1989 | $478,689 | $758,592 | 2025-10 | |
| Helping Promote Animal Welfare Inc | Animal-related | 501(c)(3) | 2010 | $473,438 | $324,571 | 2024-02 |
| New York Oil Heating Insurance Fund | 501(c)(9) | 1971 | $437,849 | $6.4 million | 2025-12 | |
| Small Wonders Child Care Center Inc | 501(c)(3) | 1992 | $434,669 | $57,417 | 2025-08 | |
| Long Island Development Corporation | Community improvement and capacity building | 501(c)(3) | 1981 | $419,874 | $14.4 million | 2025-09 |
| American Federation of Teachers | 501(c)(5) | 1967 | $417,081 | $193,068 | 2025-08 | |
| United Brotherhood Op Carpenters and Joiners of America | 501(c)(5) | 1940 | $396,738 | $270,334 | 2025-06 | |
| Suffolk Academy of Law | Education | 501(c)(3) | 1967 | $395,287 | $355,949 | 2025-05 |
| Nassau Suffolk Partnership Housing Development Fund Company Inc | Housing and shelter | 501(c)(3) | 1997 | $394,170 | $4.2 million | 2024-12 |
| Long Island Safety Ppe Fund Trust | 501(c)(6) | 2022 | $377,167 | $344,273 | 2025-12 | |
| Northern Metropolitan Hospital Association Inc | 501(c)(6) | 1975 | $372,773 | $1.9 million | 2024-12 | |
| Jobs With Justice Education Fund | Employment | 501(c)(3) | 2005 | $339,645 | $218,041 | 2024-12 |
| Hauppauge Volunteer Exempt Firemans Benevolent Association Inc | Public safety, disaster preparedness and relief | 501(c)(4) | 2008 | $332,650 | $2.4 million | 2026-01 |
| Dime Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $321,835 | $19,870 | 2025-12 |
| School Business Partnerships of Long Island Inc | 501(c)(3) | 1988 | $295,310 | $293,001 | 2025-06 | |
| Levittown Pride Football & Cheer Inc | Youth development | 501(c)(3) | 2019 | $265,268 | $5,663 | 2025-12 |
| Eaton Knolls Housing Development Fund Corporation | Housing and shelter | 501(c)(3) | 1999 | $257,216 | $1.5 million | 2025-12 |
| Iglesia Evangelica El Cordero Inc | Religion-related | 501(c)(3) | 2003 | $249,320 | $613,790 | 2024-12 |
| The Sparklersimperial Knights Inc | Recreation and sports | 501(c)(3) | 2007 | $238,926 | $201,710 | 2024-06 |
| Suffolk County Society for the Prevention of Cruelty To Animals | Animal-related | 501(c)(3) | 1995 | $232,542 | $1.6 million | 2025-12 |
| I B E W Local 25 Scholarship Fund | 501(c)(3) | 2019 | $211,065 | $167,905 | 2025-12 | |
| Long Island Networking Elite Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2004 | $201,135 | $161,785 | 2024-12 |
| Heart of Ppa2 Inc | Medical research | 501(c)(3) | 2025 | $192,233 | $190,708 | 2025-12 |
| World of Pink Foundation Inc | Human services | 501(c)(3) | 2016 | $151,335 | $173,056 | 2025-12 |
| Whip Pediatric Cancer Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2016 | $144,410 | $36,205 | 2025-12 |
| Shoulder To Shoulder Foundation | Human services | 501(c)(3) | 2022 | $140,303 | $179,976 | 2024-12 |
| United Union of Roofers Local 154 Apprentice Fund | Employment | 501(c)(5) | 2015 | $139,883 | $205,439 | 2024-12 |
| Brentwood Teachers Association Scholarship Fund Inc | Arts, culture and humanities | 501(c)(3) | 1977 | $110,416 | $972,065 | 2026-06 |
| Nassau-Suffolk Hospital Shared Services Inc | Health care | 501(c)(50) | 1982 | $108,442 | $1.5 million | 2024-12 |
| Westhampton Warriors Inc | Recreation and sports | 501(c)(3) | 2024 | $96,000 | $251 | 2025-12 |
| Long Island Golden Retriever Club Inc | Animal-related | 501(c)(4) | 2025 | $95,506 | $46,453 | 2025-11 |
| Read 2 Lead Afghanistan Corp | Community improvement and capacity building | 501(c)(3) | 2021 | $81,921 | $3,833 | 2024-12 |
| Hauppaugue Volunteer Fire Dept Inc | 501(c)(4) | 1973 | $79,706 | $267,006 | 2026-04 | |
| Down Sydrome Advocacy Foundation | Human services | 501(c)(3) | 2003 | $74,105 | $85,820 | 2025-12 |
| Nassau County Lacrosse Coaches Association Inc | Education | 501(c)(3) | 2022 | $71,090 | $39,235 | 2025-12 |
| Financial Planning Association | 501(c)(6) | 2000 | $66,476 | $47,871 | 2024-12 | |
| The Rose Brucia Educational Foundation | Public safety, disaster preparedness and relief | 501(c)(3) | 2005 | $49,985 | $283,518 | 2025-12 |
| Babylon Village Youth Lacrosse Club Inc | Recreation and sports | 501(c)(3) | 2022 | $49,958 | $54,631 | 2025-12 |
| Levittown Tomahawks Lacrosse Club Inc | Recreation and sports | 501(c)(3) | 2015 | $41,360 | $27,390 | 2025-12 |
| Suffolk County Court Employees Association Scholarship Fund | Education | 501(c)(3) | 2017 | $40,324 | $64,075 | 2025-03 |
| Whitsons Foundation | Education | 501(c)(3) | 2011 | $40,178 | $73,494 | 2025-06 |
| Pta New York Congress | 501(c)(3) | 1970 | $36,241 | $24,894 | 2026-06 | |
| Community Development and Disaster Relief Corporation | Human services | 501(c)(3) | 2014 | $35,655 | $164,881 | 2024-12 |
| Suffolk Firefighters Emerald Society Inc | Mutual and membership benefit | 501(c)(10) | 2018 | $26,737 | $5,737 | 2023-12 |
| SCPD Cops Who Care Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2010 | $18,480 | $24,973 | 2025-12 |
| Hungarian Cultural Society Inc | Arts, culture and humanities | 501(c)(3) | 2012 | $16,868 | $480,164 | 2025-12 |
| Lawyer Assistance Foundation of the Suffolk County Bar Association Inc | Education | 501(c)(3) | 1992 | $15,577 | $65,807 | 2025-05 |
| Long Island Housing Partnership Community Development Financial in | Housing and shelter | 501(c)(3) | 2014 | $12,863 | $1.4 million | 2024-12 |
| Master Elf | Human services | 501(c)(3) | 2020 | $11,753 | $33,782 | 2025-12 |
| Suffolk County Bar Pro Bono Foundation | Crime and legal-related | 501(c)(3) | 1991 | $10,151 | $201,713 | 2024-12 |
| Long Island Small Business Assistance Corp | Community improvement and capacity building | 501(c)(3) | 1998 | $7,536 | $477,858 | 2024-12 |
| Hauppauge Educational Foundation | Education | 501(c)(3) | 1999 | $3,803 | $11,836 | 2025-06 |
| Intent 2 Inc | Human services | 501(c)(3) | 2023 | $2,097 | $116 | 2025-12 |
| Families in Trauma Foundation | Health care | 501(c)(3) | 2006 | $21 | $45,545 | 2025-12 |
| Aauw Smithtown Branch | Education | 501(c)(4) | 2019 | $0 | $0 | 2025-06 |
| Afghan Immigrants Islamic Center | 501(c)(3) | 1987 | ||||
| Alexandra de Moura Rip Current Awareness Foundation Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2021 | $0 | $29,651 | 2024-12 |
| All-Starz FH | Human services | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Alliance for Relief Mission in Haiti | International, foreign affairs and national security | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Alliance of Divine Love Inc | 501(c)(3) | 1977 | ||||
| American Federation of Teachers | 501(c)(5) | 1967 | $0 | $0 | 2026-06 | |
| Anchored in Kindness Foundation Inc | Human services | 501(c)(3) | 2026 | |||
| Arya Samaj of Long Island Inc | Religion-related | 501(c)(3) | 2011 | 2024-12 | ||
| Asian-American Entrepreneur Association | Arts, culture and humanities | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Atlantic Justice Institute Inc | Civil rights, social action and advocacy | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Bridge Capital Foundation Li | Housing and shelter | 501(c)(3) | 2009 | $0 | $0 | 2024-04 |
| C K C Onitsha Alumni Association in America Inc | Education | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Calvary Chapel- Holbrook | 501(c)(3) | 1985 | ||||
| Calvary Lutheran Church | 501(c)(3) | 1988 | ||||
| Cancer Awareness Network Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2021 | $0 | $1 | 2024-12 |
| Canterbury Heights Development Corporation | 501(c)(3) | 1981 | $0 | $0 | 2024-12 | |
| Carol and Arnold Wolowitz Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1973 | $7.9 million | 2025-12 | |
| Catholic Daughters of the Americas | 501(c)(3) | 1972 | ||||
| Center for Music-In-Education Inc | Animal-related | 501(c)(3) | 2012 | $0 | $1,729 | 2026-06 |
| Central Council of the Society of St Vincent de Paul in the Diocese | Human services | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Child Count Inc | Human services | 501(c)(3) | 2026 | |||
| Columbiettes Incorporated | Mutual and membership benefit | 501(c)(10) | 1977 | $0 | $0 | 2025-12 |
| Cryptic Masons of the State of New York Inc 76 Suffolk | 501(c)(8) | 1940 | $0 | $0 | 2026-06 | |
| Designed By Sisterhood Foundation | Education | 501(c)(3) | 2025 | |||
| Epiaccess | Health care | 501(c)(3) | 2025 | |||
| Forever Believers in Christ Baptist Church | Religion-related | 501(c)(3) | 2024 | |||
| Freedom O Daughter of Zion | Mental health and crisis intervention | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Gse Shybunko Memorial Fund Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $11,266 | 2025-12 | |
| Harborfields Soccer Club | Youth development | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Hariri Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $1 | 2025-12 | |
| Hauppauge Rural Cemetary Association Inc | 501(c)(13) | 1975 | $0 | $0 | 2026-07 | |
| Hill of the Lord Ministries Incorporated Glory Temple | Religion-related | 501(c)(3) | 2004 | |||
| Hyman R and Ruth Shapiro Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2003 | $905,443 | 2025-12 | |
| Iglesia de Cristo Jehova Jireh Dios Es Amor Ministerios Ebenezer Inc | Religion-related | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Islip Smithtown Chapter of Unico NA Tional | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| JKL Montessori of Suffolk Inc | Education | 501(c)(3) | 2025 | |||
| Joseph M Rot Foundation Inc | Human services | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Jospa Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | |||
| Kingsmen Lacrosse Booster Club Inc | Recreation and sports | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Kingsmen Soccer Booster Club Inc | Recreation and sports | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Knights of Columbus | Community improvement and capacity building | 501(c)(8) | 1940 | $0 | $0 | 2025-12 |
| Korean War Veterans Association Inc | 501(c)(19) | 1996 | $0 | $0 | 2023-12 | |
| Labor Management Electrical Cooperation Committee of Long Isl | Employment | 501(c)(5) | 2025 | |||
| Lambert Family Foundation Inc | Human services | 501(c)(3) | 2014 | $134,861 | 2024-12 | |
| Limo Almi Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1998 | $1.5 million | 2025-12 | |
| Long Island Alliance Federal Credit Union | 501(c)(1) | 2011-12 | ||||
| Long Island Bonsai Society | Environment | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Long Island Chapter of the Society of Financial Service Professionals | Community improvement and capacity building | 501(c)(6) | 2003 | $0 | $0 | 2025-06 |
| Long Island Church of Christ of New York Inc | 501(c)(3) | 1986 | ||||
| Long Island Football Initiative Inc | Education | 501(c)(3) | 2025 | |||
| Long Island Gay and Lesbian Youth Inc | 501(c)(3) | 2007 | ||||
| Long Island Gay and Lesbian Youth Inc | Arts, culture and humanities | 501(c)(3) | 2007 | 2007-06 | ||
| Long Island Gay and Lesbian Youth Inc | 501(c)(3) | 2007 | ||||
| Long Island Gay and Lesbian Youth Inc | Human services | 501(c)(3) | 2007 | |||
| Long Island Gay and Lesbian Youth Inc | 501(c)(3) | 2007 | ||||
| Long Island Gay and Lesbian Youth Inc | 501(c)(3) | 2007 | ||||
| Long Island Gay and Lesbian Youth Inc | 501(c)(3) | 2007 | ||||
| Long Island Gay and Lesbian Youth Inc | 501(c)(3) | 2007 | ||||
| Long Island Gay and Lesbian Youth Inc | 501(c)(3) | 2007 | ||||
| Long Island Gay and Lesbian Youth Inc | 501(c)(3) | 2007 | ||||
| Long Island Partnership Community Development Corporation | Community improvement and capacity building | 501(c)(3) | 1998 | $0 | $6,057 | 2024-12 |
| Long Island VTX Riders | 501(c)(7) | 2007 | $0 | $0 | 2025-03 | |
| Lucido Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2020 | $10,000 | 2025-12 | |
| Many Hands & Hearts Together Corp | Human services | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Michael W McCarthy Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $6 million | 2024-12 | |
| Michael W Seda Veterinary Scholarsh Ip Fund Inc | Education | 501(c)(3) | 2026 | |||
| Monique Tartt Foundation Inc | Medical research | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Natures Answer Foundation Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Neighborhood Blanket Inc | Human services | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| New York Fair Trial-Free Press Conference | Public and societal benefit | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| New York State Association of Transportation Engineers | 501(c)(6) | 1970 | $0 | $0 | 2025-12 | |
| Northern Metropolitan Health Care Foundation Inc | Health care | 501(c)(3) | 1984 | $0 | $0 | 2025-12 |
| Ny Region Chapter Electrical Workers Minority Caucus | Employment | 501(c)(3) | 2022 | $0 | $0 | 2026-03 |
| Nys Coalition for Excellence in Homeownership Education | Education | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Organ Donation Awareness Corporation | Education | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Paul W Zuccaire Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $1.6 million | 2025-12 | |
| Pta New York Congress | 501(c)(3) | 1954 | $0 | $0 | 2025-06 | |
| Pta New York Congress | 501(c)(3) | 1954 | $0 | $0 | 2025-06 | |
| Pta New York Congress | 501(c)(3) | 1954 | $0 | $0 | 2026-06 | |
| Pta New York Congress | 501(c)(3) | 1954 | $0 | $0 | 2025-06 | |
| Rae Saltzman Scholarship Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2006 | $144,995 | 2024-12 | |
| Recreation and Economi Development Corporation of Suffolk | Community improvement and capacity building | 501(c)(3) | 2018 | |||
| Rock the Socks Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Schultheis & Panettieri Charitable Trust | 501(c)(3) | 2005 | $0 | $0 | 2025-12 | |
| Smith Point Lifeguard Association | Employment | 501(c)(5) | 2024 | $0 | $0 | 2025-12 |
| Stand Up To Poverty | Health care | 501(c)(3) | 2018 | $0 | $0 | 2023-12 |
| Suffolk County Bar Association Charity Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2010 | $200,726 | 2025-05 | |
| Suffolk County Dr Martin Luther King Jr Holiday Commission Inc | 501(c)(3) | 1991 | $0 | $0 | 2025-12 | |
| Suffolk County Landbank Corporation | Community improvement and capacity building | 501(c)(3) | 2014 | |||
| Taxaccounting Educators Corp | Religion-related | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Teachers Federal Credit Union for Filing Form 4720 | 501(c)(1) | 2022 | ||||
| Tom Toscano Foundation | Recreation and sports | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Village Lane Bible Chapel | 501(c)(3) | 1963 | ||||
| Walking International Inc | Education | 501(c)(3) | 2020 | $0 | $0 | 2023-12 |
| We Are Many Foundation Inc | Human services | 501(c)(3) | 2013 | $0 | $0 | 2024-12 |
| World Flower Inc | Food, agriculture and nutrition | 501(c)(3) | 2013 | $0 | $0 | 2024-12 |
By cause in Hauppauge, NY
- Human services 18
- Philanthropy, voluntarism and grantmaking foundations 17
- Education 16
- Community improvement and capacity building 12
- Recreation and sports 9
- Housing and shelter 7
- Employment 7
- Health care 6
- Religion-related 6
- Animal-related 5
- Mutual and membership benefit 4
- Arts, culture and humanities 4
- Diseases, disorders and medical disciplines 4
- Public safety, disaster preparedness and relief 3
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.