| 1 | Bideawee INC | Animal-Related | $24.2M | $49.4M |
| 2 | Marilyn Lichtman Foundation | Philanthropy, Voluntarism & Grantmaking | $14.7M | $45.4M |
| 3 | Plus Group Homes INC | Human Services | $13.7M | $6.7M |
| 4 | Nassau County School Cooperative Workers Compensation Self Insrd Tr | Mutual & Membership Benefit | $8.5M | $29.7M |
| 5 | Maplewood School | Education | $3.6M | $1.0M |
| 6 | Free & Accepted Masons of New York | Unclassified | $3.0M | $8.7M |
| 7 | John Theissen Childrens Foundation | Health Care | $2.2M | $2.2M |
| 8 | Literacy Nassau INC | Education | $886K | $622K |
| 9 | Last Hope INC | Animal-Related | $831K | $879K |
| 10 | Pave the Way Foundation INC | Religion-Related | $811K | $93K |
| 11 | Levittown Seaford Wantagh Athletic Association INC | Youth Development | $631K | $198K |
| 12 | Angela & Scott Jaggar Foundation INC | Philanthropy, Voluntarism & Grantmaking | $520K | $983K |
| 13 | Wantagh United Teachers Benefit Tr | Unclassified | $463K | $1.0M |
| 14 | Project Thank a Cop | Human Services | $387K | $9K |
| 15 | American Federation of Teachers | Unclassified | $370K | $141K |
| 16 | Road to Home Rescue Support INC | Animal-Related | $362K | $102K |
| 17 | All Things Home Care INC | Health Care | $351K | $49K |
| 18 | American Federation of State County & Municipal Employees | Unclassified | $340K | $332K |
| 19 | Wantagh Fire Department | Public Safety, Disaster Preparedness & Relief | $308K | $153K |
| 20 | Sensory Beans INC | Recreation & Sports | $266K | $64K |
| 21 | Hardy Global Mission | International, Foreign Affairs & National Security | $205K | $6K |
| 22 | Wantagh Little League INC | Unclassified | $194K | $595K |
| 23 | Wantagh Chamber of Commerce Charitable Community Foundation in | Philanthropy, Voluntarism & Grantmaking | $188K | $6K |
| 24 | PTA New York Congress | Unclassified | $172K | $29K |
| 25 | Retired Sergeants Association of New York City INC | Employment | $170K | $160K |
| 26 | Police Emerald Society Bagpipe Band Nassau County Chapetr Ltd | Arts, Culture & Humanities | $166K | $72K |
| 27 | Seaford Vikings Booster Club INC | Recreation & Sports | $148K | $43K |
| 28 | Nassau County Council of School Superintendents INC | Unclassified | $114K | $65K |
| 29 | Pan Long Island Challenge INC | Medical Research | $106K | $18K |
| 30 | PTA New York Congress | Unclassified | $101K | $29K |
| 31 | Strides 4 Steven INC | Medical Research | $93K | $37K |
| 32 | Macies Mission INC | Community Improvement & Capacity Building | $89K | $21K |
| 33 | Joseph a Devito Memorial Foundation INC | Philanthropy, Voluntarism & Grantmaking | $76K | $23K |
| 34 | American Legion | Unclassified | $75K | $124K |
| 35 | Peter J Haller Family Foundation | Philanthropy, Voluntarism & Grantmaking | $73K | $232K |
| 36 | Cherry Grove Dune Fund INC | Environment | $72K | $604K |
| 37 | Birthright of Nassau & Suffolk INC | Civil Rights, Social Action & Advocacy | $64K | $77K |
| 38 | Wantagh Wrestling Alumni & Friends | Youth Development | $62K | $46K |
| 39 | Wantagh Hook Ladder & Engine Company No1 INC | Public Safety, Disaster Preparedness & Relief | $57K | $1.0M |
| 40 | Michael Piegare Foundation INC | Education | $57K | $148K |
| 41 | Wantagh 6-12 Association | Unclassified | $51K | $21K |
| 42 | Brian McAleese Memorial Fund | Philanthropy, Voluntarism & Grantmaking | $41K | $77K |
| 43 | Rofe Family Foundation | Unclassified | $40K | $67K |
| 44 | 6526 Columbus Club INC | Unclassified | $38K | $82K |
| 45 | Wantagh Football Club INC | Recreation & Sports | $33K | $4K |
| 46 | Pulse of N Y INC | Civil Rights, Social Action & Advocacy | $32K | $79K |
| 47 | Wantagh Foundation for Educational Excellence | Unclassified | $22K | $59K |
| 48 | Wantagh Chamber of Commerce | Unclassified | $20K | $28K |
| 49 | Long Island Stem Education Leadership Association INC | Education | $18K | $24K |
| 50 | Friends and Angels the Tracy Vicere Foundation INC | Health Care | $11K | $11K |
| 51 | People of Promise INC | Human Services | $8K | $5K |
| 52 | Nepal Sanatan Sewa INC | Religion-Related | $6K | $51K |
| 53 | Seva Center for Humanity INC | Philanthropy, Voluntarism & Grantmaking | $5K | $9K |
| 54 | New York Sarbojonin Durga Puja Committee | Unclassified | $1K | $5K |
| 55 | Sophias Cure INC | Diseases, Disorders & Medical Disciplines | $14 | $63K |
| 56 | Nassau Penn Fund INC | Education | $1 | $16K |
| 57 | St. Frances de Chantal Roman Catholic Church | Unclassified | $0 | $0 |
| 58 | Israel Community Center of Levittown | Unclassified | $0 | $0 |
| 59 | Church of St. Jude | Unclassified | $0 | $0 |
| 60 | Marine Corps League | Unclassified | $0 | $0 |
| 61 | PTA New York Congress | Unclassified | $0 | $0 |
| 62 | Ambassadors for Christ | Unclassified | $0 | $0 |
| 63 | Civil Service Employees Association | Unclassified | $0 | $0 |
| 64 | PTA New York Congress | Education | $0 | $0 |
| 65 | Morgagni Medical Society INC | Education | $0 | $0 |
| 66 | PTA New York Congress | Unclassified | $0 | $0 |
| 67 | International Association of Lions Club | Human Services | $0 | $0 |
| 68 | Levittown Diamond Club INC | Recreation & Sports | $0 | $0 |
| 69 | St. Frances Sports INC | Recreation & Sports | $0 | $0 |
| 70 | La Leche League International INC | Unclassified | $0 | $0 |
| 71 | Temple Bnai Torah | Unclassified | $0 | $0 |
| 72 | PTA New York Congress | Unclassified | $0 | $0 |
| 73 | PTA New York Congress | Unclassified | $0 | $0 |
| 74 | Kiwanis International INC | Unclassified | $0 | $0 |
| 75 | National Music Theatre Network INC | Arts, Culture & Humanities | $0 | $0 |
| 76 | Ascp Greater New York Chapter INC | Mutual & Membership Benefit | $0 | $0 |
| 77 | German Baltic Association INC | Unclassified | $0 | $0 |
| 78 | Paul Conroy Foundation | Human Services | $0 | $0 |
| 79 | American Federation of Teachers | Unclassified | $0 | $0 |
| 80 | Italian-american in Government INC | Education | $0 | $3K |
| 81 | Wantagh Preservation Society | Arts, Culture & Humanities | $0 | $0 |
| 82 | Knights of Columbus | Unclassified | $0 | $0 |
| 83 | Emissaries of Divine Light | Unclassified | $0 | $0 |
| 84 | Joseph P Durso Foundation for Improved Communication in Medicine | Health Care | $0 | $0 |
| 85 | Figli Di Pomigliano Darco INC | Arts, Culture & Humanities | $0 | $0 |
| 86 | Brendan and Liam Shanahan Foundation | Diseases, Disorders & Medical Disciplines | $0 | $0 |
| 87 | VFW Auxiliary to Levittown-island Trees Post 9592 | Public & Societal Benefit | $0 | $0 |
| 88 | William Desroches Foundation | Philanthropy, Voluntarism & Grantmaking | $0 | $0 |
| 89 | Dora Foundation INC | Human Services | $0 | $0 |
| 90 | Barisal City & Sadar Society USA INC | Arts, Culture & Humanities | $0 | $0 |
| 91 | Lt Ronald T Kerwin Memorial Foundat Ion | Philanthropy, Voluntarism & Grantmaking | $0 | $0 |
| 92 | Devotional Church | Religion-Related | $0 | $0 |
| 93 | Be Fabulous Foundation INC | Human Services | $0 | $0 |
| 94 | Scholarship America INC | Unclassified | $0 | $0 |
| 95 | Programs 4 All Kids | Youth Development | $0 | $0 |
| 96 | Asis International INC | Unclassified | $0 | $0 |
| 97 | PTA New York Congress | Unclassified | $0 | $0 |
| 98 | Your Time for Creative Empowerment INC | Arts, Culture & Humanities | $0 | $0 |
| 99 | Edified Care INC | Mental Health & Crisis Intervention | $0 | $0 |
| 100 | True Health INC | Health Care | $0 | $0 |