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Data / Nonprofits / New York / Rockville Center

Nonprofits in Rockville Center, NY: 163 registered with the IRS

163 nonprofits are registered with the IRS in Rockville Center, NY, 137 of them 501(c)(3) charities; the 63 that report revenue took in $1.30 billion. The largest by revenue: CHS Services Inc ($350.8 million), Mercy Medical Center ($333 million), Jewish National Fund -Keren Kayemeth Leisrael- Inc ($197.1 million). Most common causes: philanthropy, voluntarism and grantmaking foundations (14), education (13), human services (13).

SpecStream is the live web data engine for teams and agents. It reads the IRS register of exempt organizations as the IRS updates it, and this page is that reading. Ask for the nonprofits you need by place, cause and size, with their latest Form 990 figures and websites, and they arrive in your sheet, CRM, Slack or agent.

Every organization, largest by revenue first

OrganizationCategoryTypeSinceRevenueAssetsFiling
CHS Services Inc501(c)(3)1946$350.8 million$427.8 million2024-12
Mercy Medical CenterHealth care501(c)(3)1946$333 million$248.9 million2024-12
Jewish National Fund -Keren Kayemeth Leisrael- IncInternational, foreign affairs and national security501(c)(3)1953$197.1 million$697.6 million2025-09
Molloy UniversityEducation501(c)(3)1946$181.4 million$260 million2025-06
Nursing Sisters Home Care501(c)(3)$138.3 million$436.8 million2024-12
RVC Insurance Company IncMutual and membership benefit501(c)(3)2009$38.6 million$422 million2024-12
Innovation AfricaInternational, foreign affairs and national security501(c)(3)2009$22.3 million$8.1 million2024-12
Rockville Links Corp501(c)(7)1961$13.1 million$5 million2026-02
Alexander Muss Institute for Israel Education IncInternational, foreign affairs and national security501(c)(3)2011$7.3 million$29 million2024-12
RVC II Insurance Company Inc501(c)(3)1946$2.4 million$3.9 million2024-12
Metropolitan Transportation Authority Police Benev Assoc IncEmployment501(c)(5)1999$2.3 million$3.7 million2025-06
Hispanic Brotherhood of Rockville Centre IncHuman services501(c)(3)1987$1.2 million$1 million2025-06
Center for Science Teaching & Learning IncEducation501(c)(3)2001$954,430$1.6 million2024-12
Rockville Centre Drug and Alcohol Abuse-Confide IncMental health and crisis intervention501(c)(3)1977$774,112$74,9922024-12
Rosa Lee Young Childhood Center501(c)(3)1973$738,613$315,0792025-08
Backyard Players & Friends IncHuman services501(c)(3)2015$704,563$354,7292025-12
Rockville Centre Soccer Club Inc C O V BohnRecreation and sports501(c)(3)1981$602,959$463,9362025-02
Rockville Centre Teachers Benefit Fund501(c)(9)1991$570,165$260,1952025-07
St Marks Nursery School501(c)(3)1978$488,573$287,0612025-06
Exempt Firemens Benevolent Associa Tion of Rockville Centre N Y Inc501(c)(4)1995$461,128$1.9 million2026-03
RVC Youth CouncilYouth development501(c)(3)2010$389,124$33,9162025-12
Friends of Mercy Medical Center IncHealth care501(c)(3)2017$367,299$362,8132024-12
Iglesia de Dios de La Profecia de Amityville IncReligion-related501(c)(3)2015$308,407$394,7032024-12
Ancient Accepted Scottish Rite of Free Masonry NMJ501(c)(10)1940$254,792$1.6 million2025-07
Uplift Help International IncInternational, foreign affairs and national security501(c)(3)2006$242,154$396,3162024-12
St Albans Lodge 56Mutual and membership benefit501(c)(10)2022$211,859$3.9 million2025-12
Little League Baseball Inc501(c)(3)1967$203,869$134,7812025-09
International Organization for Women and Development IncDiseases, disorders and medical disciplines501(c)(3)2004$202,219$1.4 million2025-07
Rockville Centre Breast Cancer Coalition IncHealth care501(c)(3)2017$183,918$357,9822025-12
American Federation of Teachers501(c)(5)1967$179,073$611,9982025-08
Rockville Centre Police Benevolent Association IncEmployment501(c)(5)2000$162,376$275,3702024-12
Professional Staff at Mercy Medical CenterCommunity improvement and capacity building501(c)(6)2012$150,120$139,8732025-12
Rockville Centre Guild for the Arts IncArts, culture and humanities501(c)(3)2014$120,423$75,5682025-05
Salisbury Senior Golf ClubRecreation and sports501(c)(7)2023$119,085$31,6502025-10
RVC Community Fund IncHuman services501(c)(3)2019$111,793$395,6532025-09
Ryan Patrick Oshea Foundation IncHuman services501(c)(3)2019$106,589$185,1122025-12
Rockville Centre Office Staff and Nurses and Occupational Associatio501(c)(9)1994$105,344$169,4032026-06
RVC Titans IncRecreation and sports501(c)(3)2017$103,071$13,2832025-04
Rockville Centre Basketball League Inc501(c)(3)1996$98,838$63,6112026-06
RVC Ice Hockey Club IncRecreation and sports501(c)(3)2016$93,957$59,0812024-12
Floodlight Rescue Co No 1 IncPublic safety, disaster preparedness and relief501(c)(3)2019$92,959$390,3862024-12
RVC Blue Speaks IncPublic and societal benefit501(c)(3)2023$84,825$19,9292025-12
Pta New York Congress501(c)(3)1954$81,842$23,5832025-06
Citywide Association of Law AssistantsEmployment501(c)(5)1999$79,563$141,2262025-12
Lynbrook-Massapequa Lodge No 822 F and AmMutual and membership benefit501(c)(10)2026$76,935$863,9722025-12
Sharons Pantry IncFood, agriculture and nutrition501(c)(3)2025$74,443$62,0542025-12
Woodland Engine Company No 4 of Rockville Centre Nassau County501(c)(4)1945$63,910$156,2982026-03
Oraukwu Development Dynamic Union USAArts, culture and humanities501(c)(3)2017$62,292$62,2532025-12
Haitian American Psychiatric Association IncMental health and crisis intervention501(c)(3)2016$57,541$67,8432025-12
Pta New York Congress501(c)(3)1954$55,280$23,6142025-06
Anti-Racism Project IncCivil rights, social action and advocacy501(c)(3)2020$54,006$64,9642025-12
Rockville Centre Education Foundation IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)1992$51,715$41,3782025-06
Baco Che-Na-Wah Bazaar FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2007$45,498$26,3522025-12
Hispanic Brotherhood Housing CorporationCommunity improvement and capacity building501(c)(2)1999$43,200$491,3112025-06
Lily Lune Foundtion CorpHuman services501(c)(3)2023$41,682$3,0992024-12
Free & Accepted Masons of New York501(c)(10)1940$39,784$282,3662025-12
Rawlings National Scout Team CorpRecreation and sports501(c)(3)2020$24,500$1,4202024-12
National Council of Jewish Women Incorporated501(c)(3)1962$12,218$58,8012025-06
Michael Dimaria Foundation IncoproratedEducation501(c)(3)2021$10,875$72,4032025-12
Ayden S Annual IncRecreation and sports501(c)(3)2023$3,710$1,2142024-12
Captain James Corrigan Memorial Foundation IncEducation501(c)(3)2017$854$4,5132025-12
Speak Hope Foundation IncMental health and crisis intervention501(c)(3)2022$844$6,6492025-12
Chris Berg Memorial Award FundPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2009$200$13,3132025-12
Alliance of Divine Love Inc501(c)(3)1977
American Legion Post No 303 American Legion Inc501(c)(19)1946$0$02025-05
American Postal Workers UnionEmployment501(c)(5)1973$0$02025-12
Baldwin Legacy Project IncYouth development501(c)(3)2021$0$02023-12
Be You South Shore FoundationHuman services501(c)(3)2026
Billy Rose Foundation Inc501(c)(3)1961$9.6 million2025-12
Biodiversity Forever Org IncScience and technology501(c)(3)2026$0$02025-12
Cancer Screening Centers IncMedical research501(c)(3)2006$0$02025-12
Catholic Daughters of the Americas501(c)(3)1972
Catholic Foundation of Long Island IncReligion-related501(c)(3)2016$0$02025-12
Celestial Church of Christ Crown of Life ParishReligion-related501(c)(3)2011
Central Council of the Society of St Vincent de Paul in the DioceseHuman services501(c)(3)2009$0$02025-09
Central Synagogue-Beth EmethReligion-related501(c)(3)2019
Chabad of Rockville Centre IncReligion-related501(c)(3)2022
Church of the Ascension501(c)(3)1972
Civil Service Employees Association501(c)(5)1970$0$02025-09
Congregation of the Infant Jesus NSSP Inc Charitable TrustHealth care501(c)(3)2019
Cozy Paws Rescue IncAnimal-related501(c)(3)2022$0$02024-12
Creating A Path IncEducation501(c)(3)2024$0$02025-06
D R C Fellowship IncReligion-related501(c)(3)2010
Defender Hose Company No 1Public safety, disaster preparedness and relief501(c)(4)2015$0$02026-03
Delta Sigma Theta Sorority Inc501(c)(7)1952
Diocesan Commodities Corp501(c)(3)1946
Diocesan Service Inc501(c)(3)1946
Diocese of Rockville Center Health Care and Other Assistance Plan for501(c)(3)1946
Diocese of Rockville Centre Health & Welfare Benefits Program Trust501(c)(3)1946
Dorothy H Krahm Charitable Foundation IncHuman services501(c)(3)1999$209,8602024-12
Ecclesia Assurance CompanyMutual and membership benefit501(c)(3)2005
Ecumenical Program and Outreach Council of Rockville Centre Ny501(c)(3)1974
Edward and Mildred Finch Foundation IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)1999$53,7642025-06
Elevator Champions for Charity IncHuman services501(c)(3)2021$0$9,1132025-12
Faith Family Valor Foundation IncHealth care501(c)(3)2025
First Calvary Baptist Church501(c)(3)1983
Foundation of Term Limits for A STR Onger America LTDPublic and societal benefit501(c)(3)2025
Fraternal Order of Police501(c)(8)1952$0$02023-12
Friends of Edut 710 IncArts, culture and humanities501(c)(3)2025$0$02025-12
Generation MotivationYouth development501(c)(3)2022$0$02023-12
Giovanniello Enterprises IncReligion-related501(c)(3)1998
Guiding Light Foundation Inc501(c)(3)1968$0$02024-12
Impulses Dance Theatre Arts Inc501(c)(3)1976$0$02025-06
Ironborn 1717 IncCrime and legal-related501(c)(3)2022$0$02025-12
Jamison Novellos Still Sparkling Foundation IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2024$0$02025-12
Ken Pribil Jr Foundation LTDPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2014$0$02024-12
Kevin Owens Memorial Foundation IncArts, culture and humanities501(c)(3)2026
Khair Humanity IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2022$0$02025-12
Knights of ColumbusMutual and membership benefit501(c)(8)1940$0$02025-06
Kor Foundation Inc501(c)(3)2014$0$02023-12
Lakeview Civic AssociationCommunity improvement and capacity building501(c)(4)2022$0$02025-12
Leahs Homes Foundation IncHuman services501(c)(3)2022$0$02025-12
Level Up Li Youth Foundation IncEducation501(c)(3)2025$0$02025-12
Lions Club of Rockville CentreHuman services501(c)(4)2025
Long Island Health Network Educatio N Research Fund IncHealth care501(c)(3)2005$0$02025-12
Many Races Cultural Foundation IncArts, culture and humanities501(c)(3)2010$1,1542023-12
Meidar Fam Charitable TrustPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2006$1,3702025-06
Michael Manzella FoundationMedical research501(c)(3)1995$0$02025-12
Ministries of Second ChancesReligion-related501(c)(3)2008
Museum of the Village of Rockville CentreArts, culture and humanities501(c)(3)2005$0$02025-12
Nancy Friday FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2015$9.3 million2025-12
Need for ChangeEducation501(c)(3)2021$0$02024-12
New Wine Ministries IncReligion-related501(c)(3)2003$0$02024-12
New York Bombers IncYouth development501(c)(3)2013$0$02025-12
New York State Social Work Education AssociationEducation501(c)(3)2014$0$02025-12
Nowak Family Foundation IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2015$697,3042024-12
Parent Booster USA IncEducation501(c)(3)2005$0$02025-12
Pat Agresti Memorial Foundation IncCommunity improvement and capacity building501(c)(3)2023$0$02025-12
Patricks Coffee Experience IncEmployment501(c)(3)2026
Petros Peers LTDMedical research501(c)(3)2024$0$02025-12
Prep for TomorrowEducation501(c)(3)2022$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$02025-06
Pta New York Congress501(c)(3)1954$0$02026-06
Pta New York Congress501(c)(3)1954$0$02026-06
Pta New York Congress501(c)(3)$0$11,3272025-06
Pta New York Congress501(c)(3)1954$0$02026-06
RVC ConservancyEnvironment501(c)(3)2025$0$02026-06
RVC Friends of MLK IncCommunity improvement and capacity building501(c)(3)2020$0$02025-08
Raisingvoicesusa IncCivil rights, social action and advocacy501(c)(4)2020$0$02025-08
Raymond J Rafferty Memorial Endowment TrustPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2017$204,4312025-12
Righteous Remnant MinistriesReligion-related501(c)(3)2025
Rock Out Autism IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2011$0$23,9022025-12
Rockville Centre Auxiliary Police Association IncCrime and legal-related501(c)(3)2011$0$02024-12
Rockville Centre Library Foundation IncorporatedEducation501(c)(3)2012$0$02025-12
Rockville Centre Library Friends IncEducation501(c)(3)2015$0$02025-12
Rockville Centre Lions Endowment Fund IncHuman services501(c)(3)2002$0$02025-12
Safe Haven House IncHealth care501(c)(3)2025
Samuei and Morris Lanyo Gam-Dede Foundation IncCommunity improvement and capacity building501(c)(3)2018$0$02025-12
Shiloh Baptist ChurchReligion-related501(c)(3)1997
Sigma Theta Tau Inc501(c)(3)1954$0$02025-06
South Shore Community Theatricals IncArts, culture and humanities501(c)(3)2024
Stella Jack Ministries International IncReligion-related501(c)(3)2022$0$02025-12
Stephen D Quinn Foundation IncEducation501(c)(3)2006$0$02025-12
The Barking Barracks IncAnimal-related501(c)(3)2014$0$02023-12
The Experience Vineyard Church501(c)(3)1991
The Paul Ellis FoundationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2025$0$02025-12
Tommy Brull Foundation IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2010$92,1772025-12
United Across Communities IncPublic and societal benefit501(c)(3)2023$0$02025-12
United Church of Rockville Centre501(c)(3)1973
United Veteran Organization of Nassau County IncPublic and societal benefit501(c)(3)2008$0$02025-12
Valley Masonic Historical SocietyArts, culture and humanities501(c)(3)2014$0$02025-12
Zeb S StateHuman services501(c)(3)2026

By cause in Rockville Center, 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.