| 1 | Brunckhorst Foundation | Unclassified | $117.5M | $141.8M |
| 2 | General Building Laborers-66 Welfare Fund | Unclassified | $76.0M | $41.7M |
| 3 | Island Harvest Ltd | Human Services | $48.7M | $21.1M |
| 4 | Slomo and Cindy Silvian Foundation INC | Arts, Culture & Humanities | $41.0M | $39.1M |
| 5 | Community Development Corporation of Long Island INC | Community Improvement & Capacity Building | $27.3M | $29.5M |
| 6 | Dolan Family Foundation Corp. | Unclassified | $15.6M | $86.3M |
| 7 | Acoustical Society of America | Science & Technology | $14.2M | $27.5M |
| 8 | Greater Impact Foundation | Philanthropy, Voluntarism & Grantmaking | $14.2M | $25.4M |
| 9 | Androcles Foundation INC | Philanthropy, Voluntarism & Grantmaking | $12.4M | $43.9M |
| 10 | Suzanne and Thomas Murphy Foundation | Philanthropy, Voluntarism & Grantmaking | $10.7M | $49.8M |
| 11 | Sophia and William Casey Foundation | Unclassified | $9.6M | $9.7M |
| 12 | Long Island Board of Realtors INC | Unclassified | $9.0M | $46.3M |
| 13 | Marc Haas Foundation | Unclassified | $8.9M | $80.9M |
| 14 | Asness Family Foundation | Philanthropy, Voluntarism & Grantmaking | $8.7M | $23.9M |
| 15 | Haiti Air Ambulance Service INC | Public Safety, Disaster Preparedness & Relief | $7.4M | $5.5M |
| 16 | Micah-6-8 Blessings Charitable Foundation | Philanthropy, Voluntarism & Grantmaking | $6.5M | $6.8M |
| 17 | Carl Lesnor Family Foundation | Philanthropy, Voluntarism & Grantmaking | $5.3M | $5.0M |
| 18 | Lake Road Foundation | Unclassified | $4.7M | $25.2M |
| 19 | Gant Family Foundation | Unclassified | $4.6M | $22.3M |
| 20 | Riley Family Foundation | Unclassified | $4.2M | $11.5M |
| 21 | Long Island Association INC | Unclassified | $3.2M | $2.1M |
| 22 | William C Dowling Jr Foundation | Philanthropy, Voluntarism & Grantmaking | $3.1M | $17.9M |
| 23 | Banfi Vintners Foundation | Unclassified | $3.0M | $5.8M |
| 24 | Pascucci Family Foundation | Philanthropy, Voluntarism & Grantmaking | $2.9M | $576K |
| 25 | Healey Fam Foundation | Philanthropy, Voluntarism & Grantmaking | $2.7M | $442K |
| 26 | Whole Child Academy | Education | $2.7M | $1.8M |
| 27 | Laborers International Union of North America | Unclassified | $2.6M | $849K |
| 28 | Long Island Builders Institute INC | Unclassified | $2.4M | $1.1M |
| 29 | Theodore and Renee Weiler Foundation INC | Unclassified | $2.1M | $4.8M |
| 30 | Jtk Foundation | Philanthropy, Voluntarism & Grantmaking | $1.8M | $2.3M |
| 31 | Henry Schein Cares Foundation INC | Philanthropy, Voluntarism & Grantmaking | $1.6M | $1.2M |
| 32 | Years Project INC | Environment | $1.5M | $5.1M |
| 33 | Melville Volunteer and Exempt Fire- Mens Benevolent Association | Unclassified | $1.5M | $7.8M |
| 34 | Vote Mama Foundation INC | Civil Rights, Social Action & Advocacy | $1.4M | $2.3M |
| 35 | Cdcli Housing Development Fund Corporation | Housing & Shelter | $1.4M | $14.3M |
| 36 | Dr Joy to the World INC | Philanthropy, Voluntarism & Grantmaking | $1.4M | $3.7M |
| 37 | C Steven Duncker Foundation | Philanthropy, Voluntarism & Grantmaking | $1.3M | $2.3M |
| 38 | Heavy Construction Industry Promotional Fund | Unclassified | $1.3M | $6.4M |
| 39 | Ayn Foundation | Human Services | $1.2M | $6.9M |
| 40 | General Bldg Laborers Local 66 Training Program Fund Box 666 | Education | $936K | $1.5M |
| 41 | Little League Baseball INC | Unclassified | $920K | $21K |
| 42 | Maurer Foundation for Breast Health Education INC | Health Care | $833K | $954K |
| 43 | Wiener Family Future Foundation INC | Philanthropy, Voluntarism & Grantmaking | $721K | $453K |
| 44 | Insulation Industry Promotional Fund of New York | Unclassified | $687K | $866K |
| 45 | The Hite Foundation INC | Philanthropy, Voluntarism & Grantmaking | $650K | $15.1M |
| 46 | Syobball INC | Recreation & Sports | $644K | $255K |
| 47 | The Atelier at Flowerfield INC | Arts, Culture & Humanities | $634K | $511K |
| 48 | Stanley Shalom Zielony Foundation | Philanthropy, Voluntarism & Grantmaking | $632K | $2.0M |
| 49 | Communication Workers of America | Unclassified | $631K | $1.3M |
| 50 | Sebonack Foundation | Philanthropy, Voluntarism & Grantmaking | $601K | $66K |
| 51 | Cope Foundation INC | Human Services | $595K | $641K |
| 52 | Long Island Contractors Association INC | Unclassified | $589K | $421K |
| 53 | Patronato Inca USA Corp. | Philanthropy, Voluntarism & Grantmaking | $577K | $1 |
| 54 | Leviton Foundation Inc-new York | Unclassified | $570K | $1K |
| 55 | The Moorings of East Islip INC | Unclassified | $567K | $1.5M |
| 56 | Cdcli Funding Corporation | Human Services | $540K | $12.5M |
| 57 | Flanagan Family Foundation INC | Philanthropy, Voluntarism & Grantmaking | $539K | $371K |
| 58 | Kahal Foundation INC | Unclassified | $533K | $994K |
| 59 | Dolores and Theodore Ehrenreich Foundation INC | Philanthropy, Voluntarism & Grantmaking | $529K | $1.2M |
| 60 | Spartans Basketball League | Recreation & Sports | $526K | $198K |
| 61 | Phil and Amy Mickelson Charitable Foundation | Philanthropy, Voluntarism & Grantmaking | $476K | $1.1M |
| 62 | General Building Laborers Union Local 66 Building Corporation | Unclassified | $469K | $3.8M |
| 63 | Anil Bharti Patil Family Foundation INC | Public & Societal Benefit | $459K | $830K |
| 64 | Jones Manor on the Sound | Housing & Shelter | $423K | $2.5M |
| 65 | Project for Life INC | Philanthropy, Voluntarism & Grantmaking | $405K | $5K |
| 66 | Estate of Eugenie a T Smith-t Tr | Unclassified | $401K | $2.5M |
| 67 | Eastern Atlantic States Insulation Contractors Association INC | Unclassified | $392K | $310K |
| 68 | Long Island Real Estate Group INC | Community Improvement & Capacity Building | $391K | $280K |
| 69 | Melville Cemetery Assn INC | Unclassified | $391K | $2.8M |
| 70 | Zanelli Fam Foundation | Philanthropy, Voluntarism & Grantmaking | $384K | $1.3M |
| 71 | Sol Cohn Foundation | Unclassified | $380K | $2.2M |
| 72 | Eileen Ludwig Greenland Foundation | Philanthropy, Voluntarism & Grantmaking | $369K | $1.2M |
| 73 | Huntington Boys Club INC | Unclassified | $358K | $548K |
| 74 | Lia Foundation | Community Improvement & Capacity Building | $350K | $32K |
| 75 | Emerald Guild Ltd | Arts, Culture & Humanities | $339K | $249K |
| 76 | Melville Volunteer Fire Dept INC | Public Safety, Disaster Preparedness & Relief | $316K | $930K |
| 77 | Greater New York Chapter - Air Conditioning Contractors of Americ | Unclassified | $312K | $293K |
| 78 | Allied Foundation INC | Youth Development | $287K | $12K |
| 79 | Robert and Jennifer Diamond Family Foundation | Philanthropy, Voluntarism & Grantmaking | $284K | $731K |
| 80 | Margaret and Peter Philips Family Foundation INC | Philanthropy, Voluntarism & Grantmaking | $275K | $1.3M |
| 81 | The Netanya Foundation INC | Unclassified | $265K | $97K |
| 82 | Institute for Workforce Advancement | Science & Technology | $260K | $212K |
| 83 | Long Island Charities Foundation INC | Philanthropy, Voluntarism & Grantmaking | $259K | $151K |
| 84 | Hills Fencing Institute INC | Recreation & Sports | $257K | $124K |
| 85 | Tamaas US | Philanthropy, Voluntarism & Grantmaking | $248K | $45K |
| 86 | Mere Foundation | Philanthropy, Voluntarism & Grantmaking | $246K | $97K |
| 87 | Minds N Hearts | Civil Rights, Social Action & Advocacy | $243K | $122K |
| 88 | Accelerate Long Island INC | Community Improvement & Capacity Building | $243K | $958K |
| 89 | Nassau County Association of Plumbing Heating Cooling Contracto | Unclassified | $208K | $344K |
| 90 | Agencies for Childrens Services on Long Island INC | Community Improvement & Capacity Building | $208K | $138K |
| 91 | John Albuerne Family Foundation | Philanthropy, Voluntarism & Grantmaking | $208K | $1.5M |
| 92 | Chillin with Adam the Adam Gaynes Foundation INC | Health Care | $207K | $215K |
| 93 | Melville & East Farmingdale Chamber of Commerce INC | Community Improvement & Capacity Building | $198K | $142K |
| 94 | L I Gasoline Retailers Assoc | Unclassified | $195K | $446K |
| 95 | International Association of Machinists & Aerospace Workers | Unclassified | $193K | $702K |
| 96 | South Huntington Sc INC | Recreation & Sports | $191K | $159K |
| 97 | Tender Loving Cats INC | Animal-Related | $191K | $58K |
| 98 | Steven M Perez Foundation INC | Education | $177K | $147K |
| 99 | Huntington Hills Swim and Racquet Club INC | Unclassified | $171K | $316K |
| 100 | Long Island and New York Mechanical Contractors Association INC | Community Improvement & Capacity Building | $161K | $514K |