Nonprofits in RIVERHEAD, NY
140 tax-exempt organizations with a return on IRS file.
Largest nonprofits in RIVERHEAD by revenue
- EAST END DISABILITY ASSOCIATES INC EIN 11-3318718 · last filed 990 for 2024 · revenue $40,742,488
- AID TO THE DEVELOPMENTALLY DISABLED INC EIN 11-2573451 · last filed 990 for 2025 · revenue $32,315,733
- TIMOTHY HILL CHILDRENS RANCH INC EIN 11-2394864 · last filed 990 for 2025 · revenue $16,435,336
- CENTRAL SUFFOLK HOSPITAL FOUNDATION EIN 20-0714587 · last filed 990 for 2024 · revenue $8,078,507
- RIVERHEAD FREE LIBRARY EIN 11-1897225 · last filed 990 for 2025 · revenue $5,766,931
- RIVERHEAD VOLUNTEER AMBULANCE CORPS INC EIN 11-3396823 · last filed 990 for 2024 · revenue $2,229,291
- RIVERHEAD LODGE NO 1742 LOYAL ORDER OF MOOSE EIN 11-1948870 · last filed 990 for 2026 · revenue $2,028,276
- THE FLANDERS NORTHAMPTON VOLUNTEER AMBULANCE COMPANY INC EIN 11-2649930 · last filed 990 for 2024 · revenue $1,417,100
- RIVERHEAD COMMUNITY AWARENESS PROGRAM INC EIN 11-2821732 · last filed 990 for 2025 · revenue $1,216,758
- IGLESIA LA NUEVA JERUSALEN EIN 11-3538588 · last filed 990 for 2025 · revenue $1,151,130
All nonprofits in RIVERHEAD, A–Z (page 1 of 2)
- 2ND CHANCE INCEIN 27-2126202 · last filed 990-N for 2025
- AID TO THE DEVELOPMENTALLY DISABLED INCEIN 11-2573451 · last filed 990 for 2025
- AL-NAHAL FOUNDATIONEIN 39-4649315 · last filed 990-N for 2025
- AMERICAN FEDERATION OF TEACHERSEIN 23-7364917 · last filed 990 for 2025
- AMERICAN FEDERATION OF TEACHERSEIN 27-1318216 · last filed 990-N for 2024
- ARAM SQUARE CLUB INCEIN 82-4221214 · last filed 990-N for 2025
- BAITING HOLLOW CEMETERY ASSN INCEIN 23-7224482 · last filed 990-N for 2025
- BENEVOLENT & PROTECTIVE ORDER OF ELKS OF THE USAEIN 23-7137942 · last filed 990-EZ for 2026
- BLUE WAVES BOYS BASKETBALL BOOSTER CLUB INCEIN 99-2075946 · last filed 990-N for 2025
- BRIDGE IMPROVING ACCESS TO HEALTH CARE INCEIN 37-1569135 · last filed 990-N for 2010
- BUSINESS ALLIANCE TOWN OF SOUTHAMPTON INCEIN 11-3236742 · last filed 990-N for 2025
- BUTTERFLY EFFECT PROJECT INCEIN 47-1993500 · last filed 990 for 2024
- CENTRAL SUFFOLK HOSPITAL FOUNDATIONEIN 20-0714587 · last filed 990 for 2024
- CIVIL SERVICE EMPLOYEES ASSOCIATIONEIN 11-2860993 · last filed 990-N for 2024
- CIVIL SERVICE EMPLOYEES ASSOCIATIONEIN 84-4208190 · last filed 990-N for 2024
- CIVIL SERVICE EMPLOYEES ASSOCIATIONEIN 54-2157213 · last filed 990-N for 2024
- CIVIL SERVICE EMPLOYEES ASSOCIATIONEIN 11-2861115 · last filed 990-N for 2024
- CIVIL SERVICE EMPLOYEES ASSOCIATIONEIN 86-2414105 · last filed 990-N for 2024
- COASTAL RESERVE CORPEIN 47-4917503 · last filed 990-N for 2025
- COOPERATIVE EXTENSION ASSOCIATION IN THE STATE OF N YEIN 11-6081424
- COREY FOUNDATIONEIN 11-3453820 · last filed 990-PF for 2025
- COUNCIL FOR THE VAIL-LEAVITT MUSIC HALL INCEIN 11-2569184 · last filed 990-N for 2025
- CRITTERVILLE FARM SANCTUARY INCEIN 99-5059507 · last filed 990-N for 2024
- DIRT DAD FUND INCEIN 86-1554870 · last filed 990-N for 2025
- DISCOVERIES EAST END LEARNING AND MENTORSHIP CENTEREIN 85-2789225 · last filed 990-N for 2025
- DMS DREAM FOUNDATIONEIN 46-0564421 · last filed 990-EZ for 2025
- DOUBLE C FAMILY FOUNDATIONEIN 47-1598898 · last filed 990-PF for 2024
- DR LAZARUS ONWUKA MEDICAL FOUNDATION INCEIN 87-4214987 · last filed 990-EZ for 2024
- EAST END ARTS & HUMANITIES COUNCILEIN 11-2285495 · last filed 990 for 2025
- EAST END COUNSELORS ASSOCIATION INCEIN 47-1994480 · last filed 990-EZ for 2026
- EAST END DISABILITY ASSOCIATES INCEIN 11-3318718 · last filed 990 for 2024
- EAST END TOURISM ALLIANCE INCEIN 26-2661485 · last filed 990 for 2024
- EAST END WOMENS NETWORK INCEIN 11-2671708 · last filed 990-N for 2024
- EASTERN LONG ISLAND ANTIQUE FIRE APPARATUS ASSOCIATIONEIN 82-3676074 · last filed 990-PF for 2025
- EASTERN LONG ISLAND QUILTERS GUILDEIN 11-2581553 · last filed 990-EZ for 2025
- EMPIRE STATE HUSKIES LONG ISLAND INCEIN 83-1525856 · last filed 990-EZ for 2024
- FLANDERS RIVERSIDE AND NORTHAMPTON COMMUNITY ASSOCIATION INCEIN 03-0437464 · last filed 990-EZ for 2025
- FLANDERS VILLAGE HISTORICAL SOCIETYEIN 27-0484815 · last filed 990-N for 2025
- FORGET ME NOT OF AMERICA INCEIN 27-1200391 · last filed 990-EZ for 2025
- FREE & ACCEPTED MASONS OF NEW YORKEIN 11-6015056 · last filed 990 for 2025
- FRIARS HEAD DISASTER RELIEF FUNDEIN 85-1402467 · last filed 990-N for 2025
- FRIENDS OF THE RIVERHEAD FREE LIBRARY INCEIN 11-2890828 · last filed 990-N for 2025
- FUND FOR RECONCILIATION & DEVELOPMENTEIN 23-2569447 · last filed 990-N for 2024
- GERTRUDE AND LEONARD MCCOMBE FOUNDAITONEIN 83-2335341 · last filed 990-PF for 2025
- GWEN L KOSINSKI FOUNDATION INCEIN 58-2683423 · last filed 990 for 2025
- HALLOCKVILLE INCEIN 11-2365133 · last filed 990 for 2024
- HARVEST EAST END INCEIN 45-2690482 · last filed 990-EZ for 2025
- HEIDIS HELPING ANGELSEIN 26-3771948 · last filed 990-EZ for 2025
- HOPE AND RESILIENCE LONG ISLAND INCEIN 88-1719447 · last filed 990-EZ for 2025
- HOUSING AMERICA FOUNDATIONEIN 52-2270448 · last filed 990 for 2024
- HUMANE LONG ISLANDEIN 46-2244513 · last filed 990-EZ for 2024
- IGLESIA APOSTOLICA EDEN EFESIOS 220EIN 11-3684302 · last filed 990-EZ for 2025
- IGLESIA CRISTIANA EMANUEL INCEIN 30-0950366 · last filed 990-EZ for 2024
- IGLESIA LA NUEVA JERUSALENEIN 11-3538588 · last filed 990 for 2025
- IM MY SISTERS KEEPER INCEIN 85-0790675 · last filed 990-N for 2025
- INDEPENDENT ORDER OF ODD FELLOWSEIN 11-6043270 · last filed 990-N for 2024
- INDIAN NETWORK OF EASTERN LONG ISLAND INCEIN 02-0732272 · last filed 990-EZ for 2025
- I R I E THERAPEUTIC EQUESTRIAN PROGRAMEIN 11-3271685 · last filed 990-EZ for 2025
- JOHANNAS HOPE INCEIN 87-4555527 · last filed 990-EZ for 2024
- JOHN WESLEY VILLAGE II INCEIN 11-3418335 · last filed 990-PF for 2025
- KONNECTED THRU 22 INCEIN 88-3137644 · last filed 990-N for 2025
- LAURENTS HATCHER FOUNDATION INCEIN 13-6114331 · last filed 990-PF for 2024
- LET THERE BE AID INCEIN 93-2996799 · last filed 990-EZ for 2024
- LI REAPERS FASTPITCH INCORPORATEDEIN 93-3859966 · last filed 990-N for 2024
- LITTLE LEAGUE BASEBALL INCEIN 51-0625602 · last filed 990-EZ for 2025
- LONG ISLAND BUDDHIST MEDITATION CENTEREIN 80-0148046 · last filed 990 for 2024
- LONG ISLAND WINE COUNCIL INCEIN 11-2994323 · last filed 990-EZ for 2025
- LT MICHAEL P MURPHY USN MEMORIAL SCHOLARSHIP FOUNDATIONEIN 16-1730124 · last filed 990 for 2024
- MAGNIFICAT-SUFFOLK COUNTY NY CHAPTEREIN 47-2460823 · last filed 990-N for 2025
- MARCOS 16 15EIN 11-3494487 · last filed 990 for 2025
- MAUREENS HAVEN INCEIN 11-3392151 · last filed 990 for 2024
- MERIDIAN TRIANGLE 71EIN 99-2998245 · last filed 990-PF for 2023
- NASSAU SUFFOLK CIVIL ENGINEERSEIN 23-7373929 · last filed 990-N for 2025
- NATIONAL INSTITUTE FOR SPECIAL EDUCATION INCEIN 55-0914442 · last filed 990-N for 2025
- NATIONAL SOCIETY OF THE DAUGHTERS OF THE AMERICAN REVOLUTIONEIN 11-6014206 · last filed 990-N for 2025
- NEW YORK STATE FIRE MARSHALLS AND INSPECTORS ASSOCIATION INCEIN 26-0370333 · last filed 990-N for 2025
- NORTH FORK BREAST HEALTH COALITION INCEIN 11-3443720 · last filed 990 for 2024
- NORTH FORK COUNTRY KIDS RESCUE AND PRESERVATION THROUGH PEDAGOGYEIN 81-1651650 · last filed 990-N for 2025
- OPEN ARMS CARE CENTER INCEIN 31-1723285 · last filed 990-EZ for 2024
- OUR FUTURE GENERATIONEIN 45-4546519 · last filed 990-EZ for 2025
- PARENT BOOSTER USA INCEIN 82-5084294 · last filed 990-N for 2024
- PAUMANOK WEAVERS GUILDEIN 11-2579152 · last filed 990-N for 2025
- PECONIC BALLET FOUNDATION INCEIN 46-5658097 · last filed 990-N for 2025
- PECONIC GREEN GROWTH INCEIN 61-1573435 · last filed 990-N for 2025
- PECONIC UNITED METHODIST HOUSING DEVELOPMENT FUND COMPANY INCEIN 11-2498525 · last filed 990 for 2024
- PERSONHOOD EDUCATION NEW YORK INCEIN 46-4683058 · last filed 990-N for 2025
- PERSONHOOD NEW YORK INCEIN 47-3604872 · last filed 990-N for 2025
- PORCH MISSIONAL COMMUNITY INCEIN 33-1434088 · last filed 990-EZ for 2024
- PROSOCIAL DESIGN NETWORK INCEIN 86-3130955 · last filed 990-N for 2024
- RACE FOR THE KIDS FOUNDATION INCEIN 26-4031614 · last filed 990-N for 2024
- RAVENSWOOD CHARITABLE FOUNDATIONEIN 13-7079320 · last filed 990-PF for 2025
- RIMANTAS KAUKENAS CHARITABLE FOUNDATION INCEIN 88-3478312 · last filed 990-N for 2025
- RIVERHEAD ATHLETIC CLUB INCEIN 33-3243433 · last filed 990-N for 2025
- RIVERHEAD BUSINESS IMPROVEMENT DISTRICT MANAGEMENT ASSOC INCEIN 11-3248819 · last filed 990 for 2025
- RIVERHEAD CEMETERY ASSOCIATIONEIN 11-1620500 · last filed 990 for 2025
- RIVERHEAD CENTRAL FACULTY ASSOCIATION BENEFIT TRUST FUNDEIN 11-3614230 · last filed 990 for 2025
- RIVERHEAD CHAMBER OF COMMERCEEIN 11-1992652 · last filed 990-EZ for 2025
- RIVERHEAD CHAPTER NO 1118 WOMEN OF THE MOOSEEIN 23-7128485 · last filed 990-N for 2025
- RIVERHEAD COMMUNITY AWARENESS PROGRAM INCEIN 11-2821732 · last filed 990 for 2025
- RIVERHEAD FACULTY AND COMMUNITY THEATRE INCEIN 11-2795625 · last filed 990-N for 2025