| 1 | Common Fund for Non-profit Organizations | Community Improvement & Capacity Building | $3.0B | $3.6B |
| 2 | Rolling Hills Country Club INC | Unclassified | $15.2M | $21.5M |
| 3 | Visiting Nurse & Hospice of Fairfield County INC | Health Care | $14.4M | $17.4M |
| 4 | The Riverbrook Regional Young Mens Christian Association INC | Unclassified | $10.1M | $20.0M |
| 5 | Oaklawn Foundation | Unclassified | $6.7M | $16.4M |
| 6 | Robins Family Foundation | Unclassified | $6.3M | $4.9M |
| 7 | Tauck Family Foundation INC | Philanthropy, Voluntarism & Grantmaking | $5.8M | $26.1M |
| 8 | Grumman Hill Montessori Association | Education | $4.9M | $8.8M |
| 9 | Wilton Library Association Incorporated | Education | $4.8M | $11.7M |
| 10 | Lake Club INC | Unclassified | $3.0M | $3.8M |
| 11 | Ogden Housing INC | Housing & Shelter | $2.9M | $5.4M |
| 12 | William Louis-dreyfus Foundation | Arts, Culture & Humanities | $2.4M | $25.7M |
| 13 | Circle of Care for Families with Cancer | Diseases, Disorders & Medical Disciplines | $1.9M | $1.5M |
| 14 | Innovation Foundation INC | Unclassified | $1.8M | $358K |
| 15 | Rising Starr Horse Rescue | Animal-Related | $1.8M | $2.5M |
| 16 | Wilton Riding Club Incorporated | Unclassified | $1.7M | $1.1M |
| 17 | Crossing Thresholds INC | Education | $1.5M | $842K |
| 18 | Wilton Volunteer Ambulance Corps INC | Human Services | $1.5M | $4.5M |
| 19 | Friends of Ambler Farm INC | Arts, Culture & Humanities | $1.4M | $1.4M |
| 20 | National Parent Leadership Institute INC | Education | $1.2M | $1.6M |
| 21 | Childrens Day School of Wilton | Education | $1.1M | $1.6M |
| 22 | Zions Hill Preschool Program | Education | $947K | $1.1M |
| 23 | Wilton Land Conservation Trust | Environment | $872K | $3.3M |
| 24 | Turnover Shop of Wilton INC | Community Improvement & Capacity Building | $851K | $234K |
| 25 | Elizabeth Raymond Ambler Tr | Philanthropy, Voluntarism & Grantmaking | $829K | $4.7M |
| 26 | Woodcock Nature Center INC | Environment | $821K | $738K |
| 27 | Wilton Soccer Association INC | Unclassified | $727K | $922K |
| 28 | Apple Blossom School and Family Center | Education | $722K | $1.1M |
| 29 | Kiev Foundation INC | Philanthropy, Voluntarism & Grantmaking | $709K | $6.4M |
| 30 | Wilton Historical Society Incorporated | Arts, Culture & Humanities | $685K | $4.5M |
| 31 | Davatzes Family Foundation INC | Philanthropy, Voluntarism & Grantmaking | $625K | $3.9M |
| 32 | Common Ground Committee INC | Community Improvement & Capacity Building | $604K | $74K |
| 33 | Shames Family Foundation | Philanthropy, Voluntarism & Grantmaking | $577K | $4.5M |
| 34 | Teen Center of Wilton INC | Human Services | $514K | $996K |
| 35 | Perakis Foundation | Philanthropy, Voluntarism & Grantmaking | $484K | $599K |
| 36 | Fashion Accessories Benefit Ball INC | Arts, Culture & Humanities | $460K | $417K |
| 37 | Seifert Family Foundation | Philanthropy, Voluntarism & Grantmaking | $345K | $463K |
| 38 | Wilton Lacrosse Association Ltd | Recreation & Sports | $336K | $189K |
| 39 | Wilton Youth Football INC | Recreation & Sports | $331K | $200K |
| 40 | A Better Chance of Wilton INC | Education | $317K | $1.6M |
| 41 | American Hindu Rco INC | Religion-Related | $285K | $3.4M |
| 42 | Community Nursery School of Wilton INC | Education | $277K | $609K |
| 43 | Thomas and Maria Wilcox Family Foundation | Philanthropy, Voluntarism & Grantmaking | $237K | $1.3M |
| 44 | Wilton Baseball & Softball Association INC | Recreation & Sports | $216K | $298K |
| 45 | Wilton Youth Council INC | Mental Health & Crisis Intervention | $209K | $215K |
| 46 | The Murray Foundation INC | Unclassified | $193K | $3.7M |
| 47 | Security Traders Assoc of Ct | Unclassified | $168K | $70K |
| 48 | Valerie Ann Luff Foundation | Philanthropy, Voluntarism & Grantmaking | $164K | $424K |
| 49 | Hall Charitable Tr | Philanthropy, Voluntarism & Grantmaking | $161K | $117K |
| 50 | Meals on Wheels of Wilton INC | Food, Agriculture & Nutrition | $160K | $783K |
| 51 | Trout Unlimited | Animal-Related | $160K | $126K |
| 52 | Wilton Chamber of Commerce | Unclassified | $159K | $130K |
| 53 | Animals in Distress INC | Animal-Related | $155K | $425K |
| 54 | Wilton Education Foundation INC | Philanthropy, Voluntarism & Grantmaking | $152K | $151K |
| 55 | Cyrus M Quigley Foundation Incorporated | Unclassified | $151K | $884K |
| 56 | Hoe Ministries INC | International, Foreign Affairs & National Security | $149K | $68K |
| 57 | Arthur J Wall Jr Scholarship Fund INC | Education | $146K | $771K |
| 58 | Wilton Rotary Charitable Foundation | Philanthropy, Voluntarism & Grantmaking | $142K | $130K |
| 59 | Pollinator Pathway INC | Environment | $133K | $163K |
| 60 | Wilton Childrens Theater INC | Unclassified | $125K | $264K |
| 61 | Wilton Kiwanis Foundation INC | Community Improvement & Capacity Building | $124K | $48K |
| 62 | Pillars Foundation | Philanthropy, Voluntarism & Grantmaking | $124K | $851K |
| 63 | Federated Garden Clubs of Connecticut INC | Environment | $122K | $299K |
| 64 | Wilton Rocks for Food | Philanthropy, Voluntarism & Grantmaking | $121K | $66K |
| 65 | Connecticut Alarm & Systems Integrators Association INC | Unclassified | $120K | $88K |
| 66 | Parent Booster USA INC | Education | $120K | $99K |
| 67 | Transplant Journey INC | Mental Health & Crisis Intervention | $118K | $67K |
| 68 | Wilton Basketball Association INC | Recreation & Sports | $112K | $103K |
| 69 | Mgy | International, Foreign Affairs & National Security | $109K | $109K |
| 70 | Ptsa Connecticut INC | Unclassified | $109K | $49K |
| 71 | Church of the Miraculous Medal INC | Religion-Related | $107K | $327K |
| 72 | Ptsa Connecticut INC | Unclassified | $101K | $91K |
| 73 | Wilton Playshop INC | Arts, Culture & Humanities | $99K | $129K |
| 74 | Norwalk River Watershed Association INC | Environment | $99K | $745K |
| 75 | Wilton Interfaith Council INC | Human Services | $94K | $414K |
| 76 | Wilton Youth Field Hockey INC | Youth Development | $92K | $169K |
| 77 | Laura Eldridge Hospital Association | Unclassified | $84K | $1.7M |
| 78 | Ptsa Connecticut INC | Unclassified | $83K | $35K |
| 79 | Gunnar Johnson Ogden Fund INC | Unclassified | $82K | $431K |
| 80 | Wilton Womens Club INC | Community Improvement & Capacity Building | $77K | $20K |
| 81 | Stay at Home in Wilton INC | Human Services | $66K | $83K |
| 82 | Kiwanis International INC | Unclassified | $62K | $24K |
| 83 | International Association of Fire Fighters | Unclassified | $58K | $133K |
| 84 | Rolling Hills Country Club Scholars Hip Fund | Education | $55K | $7K |
| 85 | American Supporters of Highgate School INC | Education | $55K | $57K |
| 86 | Weir Farm Art Alliance INC | Unclassified | $52K | $5.9M |
| 87 | American Society of Interior Designers INC | Unclassified | $47K | $51K |
| 88 | Candlelight Concert Series Corporation | Unclassified | $38K | $57K |
| 89 | Wilton Field Hockey Association INC | Recreation & Sports | $35K | $43K |
| 90 | Wilton Career Fire Fighters Fund INC | Unclassified | $33K | $169K |
| 91 | Child Resilience Alliance INC | Human Services | $31K | $63K |
| 92 | Wilton Police Benevolent Assoc | Unclassified | $23K | $168K |
| 93 | Matthew Miles Shaw Scholarship | Education | $22K | $111K |
| 94 | Wilton Student Financial Aid Committee INC | Education | $16K | $1.1M |
| 95 | Wilton Ct Rotary Club | Community Improvement & Capacity Building | $10K | $4K |
| 96 | Wilton Hockey Booster Association INC | Recreation & Sports | $10K | $5K |
| 97 | Tauck Discovery Foundation INC | Philanthropy, Voluntarism & Grantmaking | $9K | $2K |
| 98 | Unlock Highest Dimension INC | Arts, Culture & Humanities | $7K | $3K |
| 99 | Ila Foundation | Philanthropy, Voluntarism & Grantmaking | $7K | $142K |
| 100 | American Federation of State County & Municipal Employees | Unclassified | $4K | $62K |