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Data / Nonprofits / New York / Old Westbury

Nonprofits in Old Westbury, NY: 84 registered with the IRS

84 nonprofits are registered with the IRS in Old Westbury, NY, 78 of them 501(c)(3) charities; the 25 that report revenue took in $449.7 million. The largest by revenue: New York Institute of Technology ($382 million), Glen Oaks Club Inc ($25.2 million), Old Westbury Golf & Country Club Inc ($20.8 million). Most common causes: philanthropy, voluntarism and grantmaking foundations (13), education (12), religion-related (9).

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Every organization, largest by revenue first

OrganizationCategoryTypeSinceRevenueAssetsFiling
New York Institute of TechnologyEducation501(c)(3)1959$382 million$588.4 million2025-06
Glen Oaks Club Inc501(c)(7)1947$25.2 million$17.3 million2024-12
Old Westbury Golf & Country Club Inc501(c)(7)1967$20.8 million$32.1 million2024-12
Old Westbury Gardens Inc501(c)(3)2003$5 million$37.7 million2025-03
Auxiliary Service Corp501(c)(3)1985$4.7 million$5.9 million2026-05
Friends of HSMH IncEducation501(c)(3)2021$3.7 million$1.7 million2024-12
Suleman Foundation IncHealth care501(c)(3)2024$1.7 million$1.2 million2025-12
Camp Horseability IncYouth development501(c)(3)2001$1.6 million$3 million2024-12
Old Westbury College Foundation Inc501(c)(3)1982$788,947$4.2 million2026-06
East Williston Teachers Association Benefit Fund501(c)(9)1988$769,152$1.3 million2025-06
Arab Foundations Forum USAEducation501(c)(3)2021$754,820$260,0222024-12
Student Governmental Association at Suny College at Old WestburyEducation501(c)(3)2011$743,421$700,7072025-06
American Friends of Assuta Ashdod Hospital IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2018$409,919$219,2202024-12
Empowerment Ministries IncReligion-related501(c)(3)1999$384,395$2.7 million2025-12
Old Westbury Golf and Country Club Foundation IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2000$261,812$122,5982025-12
Old Westbury Pba IncPublic and societal benefit501(c)(3)2023$171,706$39,9862025-12
Lindas Angels LTDPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2019$149,778$7,5762025-12
N Y State Osteopathic Medical Society Inc501(c)(6)1945$134,174$402,0722025-04
Ramanathapuram Mission IncArts, culture and humanities501(c)(3)2017$86,824$5,4072025-12
Pto Coordinating Council East Williston School DistrictEducation501(c)(3)2006$76,815$138,9492025-06
Buddha Dipan Meditation Association IncReligion-related501(c)(3)2014$69,434$992,3702025-12
Friends of Old Westbury IncEnvironment501(c)(3)2017$51,250$41,8372025-12
Mandala Buddhist Association IncReligion-related501(c)(3)2001$23,158$6.4 million2025-12
Long Island Mathematics Conference Board IncEducation501(c)(3)2020$6,994$45,5212026-06
Rizman Foundation IncHuman services501(c)(3)2025$100$1002025-12
21St Century Fusion Power Manhattan Project CorpScience and technology501(c)(3)2026$0$12025-12
Abenase Development Foundation IncHuman services501(c)(3)2020$0$02025-12
All for Christ CorpReligion-related501(c)(3)2015$0$02025-12
Ann Nasary Ministries IncReligion-related501(c)(3)2014
Association for Computing Machinery501(c)(3)1968
Association of Energy Engineers Inc501(c)(6)1998
Bansal Family FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2007$39,6112023-12
Bridges Through Music IncEducation501(c)(3)2022$12026-06
Butterfly Effect Collaborative IncInternational, foreign affairs and national security501(c)(3)2020$0$02023-12
Central Presbyterian Church of Ny501(c)(3)1991
Cheong-Ah Sa TempleReligion-related501(c)(3)2002
Civil Service Employees Association501(c)(5)1970$0$02025-09
Civilizasian Foundation IncArts, culture and humanities501(c)(3)2022$0$1,7892025-12
Dance Party for Parkinsons IncMedical research501(c)(3)2015$0$02025-12
David A and Shoshanna Wingate Foundation Inc501(c)(3)1987$1.7 million2025-05
Delwar and Dilruba Foundation IncHuman services501(c)(3)2015$0$02025-10
Doloma Parivar of USAInternational, foreign affairs and national security501(c)(3)2016$0$02025-12
Dunamis Evangelical Church of York IncReligion-related501(c)(3)1998
East Williston Robotics Association IncEducation501(c)(3)2025$0$02026-06
East Williston Teachers Association Scholarship FoundationEducation501(c)(3)1996$126,8082024-12
Ebonyi State Association of New York IncArts, culture and humanities501(c)(3)2020$0$02024-12
End To Cyber Bullying IncHuman services501(c)(3)2012$0$02025-12
Herbert Tarr North Shore Institute for Adult Jewish EducationEducation501(c)(3)2005$0$02025-01
Howard Smith Family FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2008$175,7602025-12
Jahn and Sabrina Levin Charitable FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2011$4.6 million2024-12
Joan and Mark Boyar Foundation IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)1998$926,0932025-11
John and Janet Kornreich Charitable Foundation LTDPhilanthropy, voluntarism and grantmaking foundations501(c)(3)1998$147,9412025-12
Katan Family Foundation IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2026
Kidsraise4kids IncHuman services501(c)(3)2026
Korean Woodside Presby Church Ny501(c)(3)1979
Lamonica Family FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2010$2662024-12
Life Lutheran Church of Old Westbury501(c)(3)1941
Lift Me Up IncArts, culture and humanities501(c)(3)2019$0$02025-12
Lin Yun Monastery501(c)(3)1995
Maha-Buddhist Zen Temple IncReligion-related501(c)(3)1999
Meringoff Foundation Inc501(c)(3)1987$272025-06
Mir Foundation IncHuman services501(c)(3)2015$0$02025-12
New York Senior Mission IncInternational, foreign affairs and national security501(c)(3)2019$0$02025-12
Nycomec CorpEducation501(c)(3)1997$0$02025-12
Old Westbury Hebrew Congregation Inc501(c)(3)1981
Osullivan Children Foundation IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2025$755,3632025-09
Pigskins & Turkeys IncHuman services501(c)(3)2009$0$02025-12
Psi Chi the International Honor Society in Psychology501(c)(3)1957$0$02025-06
Pta New York Congress501(c)(3)1954$0$02026-06
Pta New York CongressEducation501(c)(3)1954$0$02025-06
Pta New York Congress501(c)(3)1954$0$02026-06
Robert and Roni Lemle Family FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2003$16.3 million2024-12
Russell Artzt Fam Charitable Foundation Trust Ua 04161998501(c)(3)1999$21,2192024-12
Rutigliano Family Foundation IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2024$12025-12
Safar-E-Shahadat Kafla Internationa LReligion-related501(c)(3)2026
Sisters of the Holy Child Jesus at Old Westbury New York Inc501(c)(3)1946$0$02021-06
Slow Food USA Inc501(c)(3)2004$0$02025-12
South Asian-American Public Affairs Committee IncCommunity improvement and capacity building501(c)(3)2008$0$02025-12
Spectrum Alliance for Research and Hope IncDiseases, disorders and medical disciplines501(c)(3)2026
The Kaltman Family Foundation501(c)(3)1986$112,3602025-09
The Life Preschool501(c)(3)1941
The Rabbit Snack Shack and the Animal Snack Shack IncAnimal-related501(c)(3)2026
Whispering Pines Sda School501(c)(3)1947
Wild Cat Athletics Foundation Incof EwufsdRecreation and sports501(c)(3)2008$0$02023-12

By cause in Old Westbury, NY

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.