| 1 | Seatuck Environmental Assn INC | Environment | $2.1M | $2.4M |
| 2 | Islip School Age Child Care Corporation | Human Services | $455K | $446K |
| 3 | Mission Be INC | Youth Development | $406K | $249K |
| 4 | Amplo Family Foundation INC | Human Services | $373K | $155K |
| 5 | All Star Service Coordination INC | Human Services | $299K | $17K |
| 6 | American Federation of Teachers | Unclassified | $294K | $138K |
| 7 | Parks Foundation of Islip Town INC | Community Improvement & Capacity Building | $272K | $173K |
| 8 | Islip Fire Department | Public Safety, Disaster Preparedness & Relief | $224K | $112K |
| 9 | Toby Onubogu Foundation INC | Health Care | $209K | $207K |
| 10 | Long Island Rage Fastpitch | Recreation & Sports | $193K | $19K |
| 11 | Guglielmo Marconi Home Lodge 2232 | Unclassified | $150K | $487K |
| 12 | Billy Moon Foundation INC | Philanthropy, Voluntarism & Grantmaking | $148K | $239K |
| 13 | Islip Breast Cancer Coalition INC | Science & Technology | $113K | $73K |
| 14 | Jesse Gerhard Memorial Foundation | Education | $78K | $27K |
| 15 | American Society of Radiologic Technologists | Unclassified | $77K | $70K |
| 16 | Keep Islip Clean INC | Environment | $73K | $66K |
| 17 | Islip Food for Hope INC | Arts, Culture & Humanities | $66K | $3K |
| 18 | Islip Chamber of Commerce | Community Improvement & Capacity Building | $60K | $16K |
| 19 | Bravo Foxtrot United Veterans INC | Mental Health & Crisis Intervention | $36K | $60 |
| 20 | Rotary International | Unclassified | $33K | $2K |
| 21 | Sons of Italy in America | Unclassified | $28K | $16K |
| 22 | Islip Rotary Supporters INC | Education | $25K | $3K |
| 23 | Beautys Beloved Beasts Wildlife Sanctuary Corp. | Animal-Related | $15K | $2K |
| 24 | Our First Steps to Service Corp. | Animal-Related | $13K | $9K |
| 25 | Gavins Got Heart INC | Health Care | $5K | $84K |
| 26 | B C Fan & M C Peng Memorial Nature & Humanity Foundation | Education | $1 | $16K |
| 27 | Navigating the Journey Ltd | Mental Health & Crisis Intervention | $1 | $4K |
| 28 | St. Marks Church | Unclassified | $0 | $0 |
| 29 | Daughters of Wisdom | Unclassified | $0 | $0 |
| 30 | Mid Island Baptist Temple C O Rev Bob Badertscher | Unclassified | $0 | $0 |
| 31 | Fresh Fire Ministries INC | Religion-Related | $0 | $0 |
| 32 | Suffolk Christian League | Unclassified | $0 | $0 |
| 33 | Love & Mercy Fellowship | Unclassified | $0 | $0 |
| 34 | PTA New York Congress | Unclassified | $0 | $0 |
| 35 | Operation Homeless INC | Human Services | $0 | $0 |
| 36 | Islip Booster Club Ltd | Education | $0 | $0 |
| 37 | Historical Society of Islip Hamlet | Arts, Culture & Humanities | $0 | $0 |
| 38 | Parsons Landing Boaters Association INC | Recreation & Sports | $0 | $0 |
| 39 | PTA New York Congress | Education | $0 | $0 |
| 40 | PTA New York Congress | Unclassified | $0 | $0 |
| 41 | PTA New York Congress | Unclassified | $0 | $0 |
| 42 | PTA New York Congress | Unclassified | $0 | $0 |
| 43 | House of Prayer | Unclassified | $0 | $0 |
| 44 | PTA New York Congress | Unclassified | $0 | $0 |
| 45 | Symphonic Band of Bayshore- | Arts, Culture & Humanities | $0 | $0 |
| 46 | Kiwanis Club of the Islips Bay Shore Foundation INC | Human Services | $0 | $0 |
| 47 | Trinity Lutheran Church | Unclassified | $0 | $0 |
| 48 | Steuben Society of America | Mutual & Membership Benefit | $0 | $0 |
| 49 | Psi Upsilon Fraternity | Unclassified | $0 | $0 |
| 50 | Iglesia Roca de Salvacion INC | Religion-Related | $0 | $0 |
| 51 | Camp Northstar INC | Human Services | $0 | $0 |
| 52 | National Coalition of 100 Blackwomen Long Island Suffolk County Ch | Health Care | $0 | $0 |
| 53 | National Organization of Mothers of Twins Club | Unclassified | $0 | $0 |
| 54 | Restored Ministries International INC | Human Services | $0 | $0 |
| 55 | New York Cto Club INC | Education | $0 | $0 |
| 56 | American Legion Auxiliary | Unclassified | $0 | $0 |
| 57 | Music Lovers Club INC | Arts, Culture & Humanities | $0 | $0 |
| 58 | American Federation of Teachers | Unclassified | $0 | $0 |
| 59 | Long Island Woodturners Association INC | Education | $0 | $0 |
| 60 | Chabad of Islip Township INC | Religion-Related | $0 | $0 |
| 61 | Project9line INC | Human Services | $0 | $0 |
| 62 | Growing Together Community Gardens | Food, Agriculture & Nutrition | $0 | $0 |
| 63 | Chosen Few Ministry Services INC | Human Services | $0 | $0 |
| 64 | Benevolent & Protective Order of Elks of the USA | Philanthropy, Voluntarism & Grantmaking | $0 | $0 |
| 65 | Shelter Link | Animal-Related | $0 | $0 |
| 66 | Islip Arts and Music Parents INC | Education | $0 | $0 |
| 67 | Sereen Hair Foundation | Health Care | $0 | $0 |
| 68 | International Association of Silver Art Collectors INC | Arts, Culture & Humanities | $0 | $0 |
| 69 | Ignite the Fire Ministries INC | Unclassified | $0 | $0 |
| 70 | Rob Relinger Memorial Scholarship | Education | $0 | $0 |
| 71 | Joe Killeen Memorial Foundation | Human Services | $0 | $0 |
| 72 | Youth Sports of the Islips INC | Recreation & Sports | $0 | $0 |
| 73 | Heaven on Earth Ministries INC | Religion-Related | $0 | $0 |
| 74 | Wholesome Harvest Farmers Market Corp. | Food, Agriculture & Nutrition | $0 | $0 |
| 75 | Frasier Foundation INC | Environment | $0 | $0 |