| Hartford HealthCare Independence at Home | Wethersfield | — | $15.4M | 14 |
| THE FB HERON FOUNDATION | New Haven | — | $15.3M | 3 |
| LIVEWELL ALLIANCE INC | Plantsville | — | $15.2M | 6 |
| Edward Cotton Rawls Jr Foundation | Newtown | Z99 Unknown | $15.2M | 1 |
| RELIANCE HEALTH INC | Norwich | F34Z Mental Health & Crisis Intervention | $15.1M | 5 |
| FAMILY & CHILDREN'S AGENCY INC | Norwalk | P200 Human Services | $15.1M | 7 |
| POMPERAUG WOODS INC | Southbury | P750 Human Services | $15.1M | 5 |
| MOSES-WEITZMAN HEALTH SYSTEM INC | Middletown | P02 Human Services | $15M | 3 |
| REGIONAL HOSPICE AND HOME CARE OF | Danbury | P74Z Human Services | $15M | 7 |
| LUMIBILITY INC | Westbrook | J300 Employment | $15M | 2 |
| COMMUNITY FOUNDATION OF GREATER NEW | New Britain | — | $15M | 4 |
| LOCAL 493 HEALTH SERVICE AND | Uncasville | — | $15M | 3 |
| OCEAN EXPLORATION TRUST INC | New London | C05 Environment | $15M | 10 |
| CATHOLIC CHARITIES OF FAIRFIELD COUNTY | Bridgeport | — | $15M | 6 |
| KLINGBERG COMPREHENSIVE PROGRAM SERVICES | New Britain | — | $14.9M | 8 |
| AMERICAN PET PRODUCTS ASSOCIATION INC | Stamford | — | $14.9M | 13 |
| WAMPANOAG COUNTRY CLUB | West Hartford | — | $14.8M | 5 |
| MARC INC OF MANCHESTER | Manchester | J30Z Employment | $14.8M | 5 |
| ACCESS AGENCY INC | Willimantic | — | $14.7M | 1 |
| BRISTOL HEALTH CARE INC | Bristol | E91Z Health Care | $14.6M | 11 |
| CONNECTICUT LEGAL SERVICES INC | Middletown | I80Z Crime & Legal-Related | $14.6M | 8 |
| CCARC INC | New Britain | — | $14.5M | 2 |
| FAIRVIEW COUNTRY CLUB INC | Greenwich | — | $14.5M | 7 |
| LOCAL 1035 HEALTH SERVICE AND | South Windsor | — | $14.4M | 2 |
| VISITING NURSE & HOSPICE OF | Wilton | E99Z Health Care | $14.4M | 10 |
| THE AMERICAN RADIO RELAY LEAGUE INC | Newington | A340 Arts, Culture & Humanities | $14.3M | 7 |
| JEWISH FEDERATION OF GREATER HARTFORD | West Hartford | T700 Philanthropy, Voluntarism & Grantmaking Foundations | $14.3M | 4 |
| Raytheon Employees Disability Trust | Farmington | — | $14.3M | 1 |
| SARAH TUXIS RESIDENTIAL SERVICES IN | Guilford | P730 Human Services | $14.3M | 4 |
| TRINITY HEALTH OF NEW ENGLAND EMERGENCY | Hartford | E62 Health Care | $14.2M | 7 |
| THE INNIS ARDEN GOLF CLUB INC | Old Greenwich | — | $14.2M | 7 |
| FRANCISCAN LIFE CENTER NETWORK INCORPORATED | Meriden | — | $14M | 3 |
| CONNECTICUT COUNSELING CENTERS INC | Waterbury | — | $14M | 8 |
| HORIZONS PROGRAMS INC | South Windham | P82Z Human Services | $14M | 5 |
| SOUTHINGTON-CHESHIRE COMMUNITY YMCA | Southington | P270 Human Services | $14M | 4 |
| NORWALK COMMUNITY HEALTH CENTER | Norwalk | E32Z Health Care | $13.8M | 10 |
| ITHURIEL FUND | Greenwich | T30 Philanthropy, Voluntarism & Grantmaking Foundations | $13.8M | 0 |
| THE WORLD HEALTH CLINICIANS INC | Norwalk | Q30 International, Foreign Affairs & National Security | $13.7M | 7 |
| CORPORATION FOR PUBLIC MANAGEMENT | Enfield | S50Z Community Improvement & Capacity Building | $13.7M | 6 |
| WORKFORCE ALLIANCE INC | New Haven | — | $13.6M | 5 |
| THE CHILDREN'S COMMUNITY PROGRAMS OF CT | New Haven | F60 Mental Health & Crisis Intervention | $13.5M | 7 |
| THE COMMUNITY ACTION AGENCY OF | Danbury | S31Z Community Improvement & Capacity Building | $13.5M | 3 |
| YOUNG MENS CHRISTIAN ASSOCIATION OF | Westport | P270 Human Services | $13.5M | 4 |
| ADVANCING CONNECTICUT TOGETHER INC | Hartford | G81Z Diseases, Disorders & Medical Disciplines | $13.5M | 1 |
| Norwalk Hospital Foundation | Norwalk | E110 Health Care | $13.4M | 4 |
| The Trinity Foundation dba Marianapolis Preparatory School | Thompson | B25 Education | $13.4M | 3 |
| CONNECTICUT HOSPITAL ASSOCIATION | Wallingford | — | $13.4M | 12 |
| GRACE FARMS FOUNDATION INC | New Canaan | T23 Philanthropy, Voluntarism & Grantmaking Foundations | $13.3M | 6 |
| ELM CITY COLLEGE PREPARATORY INC | New Haven | B29 Education | $13.2M | 4 |
| HEALTH CARE ADVOCATES INTERNATIONAL LLC | Stratford | G81 Diseases, Disorders & Medical Disciplines | $13.2M | 5 |
