Nonprofits in RONKONKOMA, NY
141 tax-exempt organizations with a return on IRS file.
Largest nonprofits in RONKONKOMA by revenue
- OPTIONS FOR COMMUNITY LIVING INC EIN 11-2612035 · last filed 990 for 2025 · revenue $28,971,580
- PLUMBERS LOCAL UNION NO 200 WELFARE FUND TR EIN 11-3124836 · last filed 990 for 2025 · revenue $23,106,923
- ASSOCIATION FOR MENTAL HEALTH AND WELLNESS INC EIN 11-3012392 · last filed 990 for 2025 · revenue $11,471,981
- UNITED PUBLIC SERVICE EMPLOYEES UNION EIN 11-3106668 · last filed 990 for 2025 · revenue $9,615,931
- UNITED PUBLIC SERVICE EMPLOYEE BENEFIT PLAN EIN 20-4909734 · last filed 990 for 2024 · revenue $6,760,730
- COMMUNITY PROGRAM CENTERS OF LONG ISLAND INC EIN 11-2539861 · last filed 990 for 2025 · revenue $5,792,657
- SHEPHERDS GATE CORP EIN 74-3038031 · last filed 990 for 2024 · revenue $4,427,831
- UNITED ASSOCIATION OF JOURNEYMEN & APPRENTICES OF THE PLUMBING & PIPE EIN 11-3108169 · last filed 990 for 2025 · revenue $4,400,489
- PLUMBERS LOCAL UNION NO 200 VACATION FUND EIN 11-3124072 · last filed 990 for 2025 · revenue $3,519,529
- LONG ISLAND JUNIOR SOCCER LEAGUE INC EIN 11-2563964 · last filed 990 for 2025 · revenue $2,836,674
All nonprofits in RONKONKOMA, A–Z (page 1 of 2)
- 2459 OCEAN OWNER LLCEIN 83-0908572 · last filed 990 for 2024
- AFTER HOURS WEDDING MINISTRY INCEIN 83-4394370 · last filed 990-N for 2025
- A HOME FUR NOW RESCUE INCEIN 46-2350181 · last filed 990-EZ for 2024
- AMERICAN LEGIONEIN 11-6167134 · last filed 990-EZ for 2025
- AMERICAN ORIENTAL ARTS FOUNDATION OF NEW YORK INCEIN 11-3539267 · last filed 990-PF for 2025
- AMVETSEIN 11-3410191 · last filed 990-N for 2025
- AMVETSEIN 46-2956496 · last filed 990-N for 2024
- AMVETSEIN 87-0726918 · last filed 990-N for 2025
- ANCIENT MYSTICAL ORDER OF ROSAE CRUCISEIN 11-2627791 · last filed 990-N for 2025
- ANJUMAN WAZIFA SADAAT O MOMINEEN NORTH AMERICA INCEIN 13-3588100 · last filed 990 for 2025
- ASSOCIATION FOR MENTAL HEALTH AND WELLNESS INCEIN 11-3012392 · last filed 990 for 2025
- BAES MISSIONSEIN 88-2618114 · last filed 990-N for 2023
- BROTHERHOOD OF LOCOMOTIVE ENGINEERS LIRR WELFARE FUNDEIN 51-0247782 · last filed 990 for 2024
- CHAMBER OF COMMERCE OF THE GREATER RONKONKOMAS INCEIN 11-2629266 · last filed 990-N for 2024
- CIVIL SERVICE EMPLOYEES ASSOCIATIONEIN 11-3242419 · last filed 990-N for 2024
- CLEAR THE WAY SUPPORTIVE HOUSING CORPEIN 82-2179485 · last filed 990 for 2023
- CLUB 4651 INCEIN 23-7544094 · last filed 990 for 2024
- COLUMBIETTES INCORPORATEDEIN 11-2444498 · last filed 990-N for 2025
- COMMUNITY PROGRAM CENTERS OF LONG ISLAND INCEIN 11-2539861 · last filed 990 for 2025
- CONNETQUOT YOUTH ASSOCIATIONEIN 11-3033409 · last filed 990 for 2024
- CONNETQUOT YOUTH CHEER ORGANIZATIONEIN 33-2901680 · last filed 990-N for 2025
- CONNETQUOT YOUTH FOOTBALL ORGANIZATION INCEIN 84-1657802 · last filed 990-EZ for 2024
- CONNETQUOT YOUTH SOCCER LEAGUE INCEIN 11-3065647 · last filed 990-EZ for 2025
- COUNTY PLUMBERS INCEIN 11-2050234 · last filed 990 for 2025
- CRIME VICTIMS CENTER INCEIN 11-3496343 · last filed 990 for 2024
- DENKYIRA DEVELOPMENT ASSOCIATION OF NORTH AMERICA INCEIN 33-2786094 · last filed 990-N for 2025
- DEPUTY SHERIFF HARRY STEIGER MEMORIAL SCHOLARSHIP FUNDEIN 11-3403820 · last filed 990-N for 2024
- DISTRICT LODGE 3 SONS OF NORWAY CHARITABLE TRUSTEIN 90-0672298 · last filed 990-PF for 2025
- DRIVE FOR DANA INCEIN 87-3405569 · last filed 990-EZ for 2025
- FIFTH PRECINCT FELLOWSHIP INCEIN 99-3163731 · last filed 990-N for 2025
- FIRST HAITIAN COMMUNITY RESOURCE CENTER INCEIN 45-4394503 · last filed 990-N for 2025
- FOUNDAS INCEIN 85-1813930 · last filed 990-N for 2025
- FRATERNAL ORDER OF POLICEEIN 11-3513823 · last filed 990-N for 2025
- GACE FLYING CLUB INCEIN 11-2394585 · last filed 990-EZ for 2025
- GIFT OF LIFE USA INCEIN 81-2839326 · last filed 990-N for 2025
- GIFTS FROM GOD INCEIN 30-1386168 · last filed 990-N for 2025
- GLENN PETTIT FOUNDATIONEIN 11-3632118 · last filed 990-N for 2025
- GOLIA FAMILY CHARITABLE GROUP INCEIN 88-4064349 · last filed 990-PF for 2025
- GREATER RONKONKOMA CIVIC ASSOCIATIONEIN 92-1283935 · last filed 990-N for 2025
- HAITIAN AMERICAN UNITED FOR CHANGE H A U C INCEIN 26-2520684 · last filed 990-N for 2025
- INTERNATIONAL ASSOCIATION OF SHEET METAL AIR RAIL & TRANSPORTATIONEIN 11-3092543 · last filed 990-N for 2025
- IRON SIGHTS MC INCEIN 88-3041740 · last filed 990-N for 2024
- ISLIP PARK RANGER ASSOCIATION INCEIN 11-3301310 · last filed 990-N for 2025
- JAMES EDMONDS MEMORIAL SCHOLARSHIP FUND INCEIN 88-1030708 · last filed 990-N for 2025
- JOSEPH HORVATH MEMORIAL SCHLARSHIP FUND INCEIN 11-3324636 · last filed 990-EZ for 2025
- KIDS FOR KIDS FOUNDATION INCEIN 45-5617961 · last filed 990 for 2024
- KNIGHTS OF COLUMBUSEIN 11-2444262 · last filed 990 for 2024
- LAKE GROVE-NEWFIELD SOCCER CLUB INCEIN 46-3012167 · last filed 990 for 2022
- LAKELAND FIRE DEPARTMENT INCEIN 11-3242723 · last filed 990 for 2024
- LAKELAND VOLUNTEER FIREMENS BENEVOLENT ASSOCIATIONEIN 11-6026564 · last filed 990 for 2025
- LAKE RONKONKOMA HISTORICAL SOCIETYEIN 11-2866202 · last filed 990-N for 2024
- LEON EARLY CHILDHOOD CENTER INCEIN 87-1834285 · last filed 990 for 2024
- L I AGAINST DOMESTIC VIOLENCE INCEIN 11-2470902 · last filed 990 for 2024
- LONG ISLAND ARBORICULTURAL ASSOCIATION INCEIN 11-2909214 · last filed 990-N for 2025
- LONG ISLAND FALCONS TRAVEL BASEBALLEIN 26-4538174 · last filed 990-EZ for 2025
- LONG ISLAND JUNIOR SOCCER LEAGUE INCEIN 11-2563964 · last filed 990 for 2025
- LONG ISLAND SOCCER REFEREES ASSOCIATION INCEIN 11-2484408 · last filed 990 for 2025
- LOUIS MANCUSO SR SCHOLARSHIP FUNDEIN 26-2962427 · last filed 990-N for 2025
- MILLIE DAGOSTINO SCHOLARSHIP FUND INCEIN 84-2801428 · last filed 990-N for 2025
- NASSAU-SUFFOLK CREMATORY LTDEIN 11-3288599 · last filed 990 for 2025
- NATIONAL AIR TRAFFIC CONTROLLERS ASSOCIATIONEIN 11-2929292 · last filed 990-N for 2025
- NATIONAL PULIC EMPLOYEES UNIONEIN 20-0328922 · last filed 990 for 2025
- NAVY LEAGUE OF THE UNITED STATES LONG ISLAND COUNCILEIN 82-3564496 · last filed 990-N for 2025
- NEW YORK SPORTSCENE CHILDRENS FOUNDATIONEIN 11-3271812 · last filed 990-EZ for 2025
- NICK SINGH FOUNDATION INCEIN 93-4127457 · last filed 990-EZ for 2025
- NSM SPORTS ORGANIZATION INCEIN 82-4112903 · last filed 990-N for 2025
- OCL PROPERITY III EAST INCEIN 11-3368464 · last filed 990-EZ for 2024
- OCL PROPERITY III WEST INCEIN 11-3368465 · last filed 990 for 2024
- OCL PROPERTIES II INCEIN 11-3317612 · last filed 990 for 2024
- OCL PROPERTIES INCEIN 11-3265927 · last filed 990 for 2024
- OCL PROPERTIES IV INCEIN 11-3413120 · last filed 990 for 2024
- OCL PROPERTIES IX INCEIN 54-2144418 · last filed 990 for 2024
- OCL PROPERTIES VIII INCEIN 65-1177555 · last filed 990 for 2024
- OCL PROPERTIES VII INCEIN 11-3592171 · last filed 990 for 2024
- OCL PROPERTIES VI INCEIN 11-3534602 · last filed 990 for 2024
- OCL PROPERTIES V INCEIN 11-3470463 · last filed 990 for 2024
- OCL PROPERTIES XIII INCEIN 13-4368171 · last filed 990 for 2024
- OCL PROPERTIES XII INCEIN 11-3799179 · last filed 990 for 2024
- OCL PROPERTIES XI INCEIN 11-3799182 · last filed 990 for 2024
- OCL PROPERTIES X INCEIN 59-3834344 · last filed 990 for 2024
- OCL PROPERTIES XIV INCEIN 30-0537992 · last filed 990 for 2024
- OCL PROPERTIES XV INCEIN 45-5408337 · last filed 990 for 2024
- ONE LOVE DOG RESCUE INCEIN 82-1510179 · last filed 990-EZ for 2024
- OPTIONS FOR COMMUNITY LIVING INCEIN 11-2612035 · last filed 990 for 2025
- PEDIATRIC LYME DISEASE EMERGENCY FUNDEIN 03-0430213 · last filed 990-EZ for 2026
- PLUMBERS LOCAL 200 LABOR MANAGEMENT COOPERATION FUNDEIN 20-3462754 · last filed 990-EZ for 2025
- PLUMBERS LOCAL 200 SCHOLARSHIP FUNDEIN 27-0100193 · last filed 990 for 2025
- PLUMBERS LOCAL UNION 200 ADDITIONAL SECURITY BENEFITS FUNDEIN 11-6037700 · last filed 990 for 2025
- PLUMBERS LOCAL UNION NO 200 APPRENTICESHIP TRAINING FUNDEIN 11-3124063 · last filed 990 for 2025
- PLUMBERS LOCAL UNION NO 200 VACATION FUNDEIN 11-3124072 · last filed 990 for 2025
- PLUMBERS LOCAL UNION NO 200 WELFARE FUND TREIN 11-3124836 · last filed 990 for 2025
- PTA NEW YORK CONGRESSEIN 11-2973156 · last filed 990-N for 2025
- PTA NEW YORK CONGRESSEIN 11-6077387 · last filed 990-EZ for 2026
- PTA NEW YORK CONGRESSEIN 11-2536549 · last filed 990-N for 2025
- PTA NEW YORK CONGRESSEIN 11-2886253 · last filed 990-N for 2024
- PTA NEW YORK CONGRESSEIN 11-2989761 · last filed 990-EZ for 2025
- PTA NEW YORK CONGRESSEIN 20-1482022 · last filed 990-N for 2025
- REACHING HEARTS MINISTRIES INCEIN 33-4536557 · last filed 990-N for 2025
- REV LIONEL G RAMIREZ & BETTY J WARD FOUNDATION INCEIN 47-3039796 · last filed 990-EZ for 2025
- RIGHTS TO UNMUTEEIN 93-4869461 · last filed 990-N for 2025