| 1 | Odd Fellows Home of Connecticut INC | Unclassified | $16.2M | $28.7M |
| 2 | Seabird Enterprises INC | Human Services | $7.1M | $3.6M |
| 3 | Noank Community Support Services INC | Human Services | $6.0M | $3.4M |
| 4 | Southeastern Connecticut Enterprise Region Corporation | Unclassified | $3.3M | $9.8M |
| 5 | Chelsea Groton Foundation | Philanthropy, Voluntarism & Grantmaking | $3.2M | $10.3M |
| 6 | International Union United Auto Aerospace & Agricultural Workers | Unclassified | $3.0M | $3.5M |
| 7 | Groton Ambulance Assoc INC | Health Care | $2.7M | $1.2M |
| 8 | Informing Democracy Education Fund | Civil Rights, Social Action & Advocacy | $2.2M | $204K |
| 9 | Inter District Committee for Project Oceanology | Science & Technology | $2.1M | $1.9M |
| 10 | Shennecossett Yacht Club Incorporated | Unclassified | $2.0M | $4.3M |
| 11 | Riverfront Childrens Center INC | Human Services | $2.0M | $2.9M |
| 12 | Bill Memorial Library | Education | $2.0M | $4.8M |
| 13 | Electric Boat Employees Community Service Association | Philanthropy, Voluntarism & Grantmaking | $1.9M | $20K |
| 14 | Starr Burying Ground Association | Mutual & Membership Benefit | $1.4M | $2.3M |
| 15 | Fhm Services INC | Crime & Legal-Related | $1.0M | $95K |
| 16 | International Brotherhood of Boiler Makers Iron Ship Builders Blacksmi | Unclassified | $908K | $1.6M |
| 17 | Laborers International Union of North Amercia | Unclassified | $907K | $1.1M |
| 18 | Submarine Force Library & Museum Assoc | Arts, Culture & Humanities | $821K | $3.8M |
| 19 | Avery-copp Museum INC | Arts, Culture & Humanities | $793K | $3.7M |
| 20 | Ahepa 250-III INC | Housing & Shelter | $677K | $1.8M |
| 21 | Benevolent & Protective Order of Elks of the USA | Unclassified | $670K | $775K |
| 22 | Electric Boat Management Association | Unclassified | $535K | $244K |
| 23 | International Association of Machinists & Aerospace Workers | Unclassified | $414K | $285K |
| 24 | Southeastern Connecticut Television | Arts, Culture & Humanities | $353K | $333K |
| 25 | Connecticut United for Research Excellence INC | Medical Research | $344K | $581K |
| 26 | Thames River Heritage Park Foundation INC | Recreation & Sports | $336K | $42K |
| 27 | Community Speaks Out INC | Mental Health & Crisis Intervention | $336K | $511K |
| 28 | Uss Groton Sail Foundation | Arts, Culture & Humanities | $334K | $680K |
| 29 | Cure Innovations LLC | Youth Development | $325K | $4.4M |
| 30 | Connecticut Wind Collaborative INC | Environment | $305K | $434K |
| 31 | Animal Welfare League of New London County Incorporated | Unclassified | $305K | $417K |
| 32 | Joseph a Baloga Tr | Philanthropy, Voluntarism & Grantmaking | $257K | $56K |
| 33 | International Brotherhood of Electrical Workers | Unclassified | $255K | $75K |
| 34 | Steps INC | Human Services | $204K | $55K |
| 35 | Groton Open Space Association INC | Environment | $200K | $7.0M |
| 36 | Odd Fellows Faith Hope and Charity Fund INC | Human Services | $192K | $3.8M |
| 37 | United Brotherhood of Carpenters & Joiners of America | Unclassified | $185K | $194K |
| 38 | Office and Professional Employees International Union | Unclassified | $172K | $437K |
| 39 | Legacy a Residential Recovery Program for Women | Human Services | $157K | $137K |
| 40 | Groton Mystic Falcons Youth Football League INC | Recreation & Sports | $96K | $41K |
| 41 | American Federation of Labor & Congress of Industrial Orgs | Unclassified | $92K | $124K |
| 42 | Lamb Christian Helping Hands INC | Philanthropy, Voluntarism & Grantmaking | $91K | $950 |
| 43 | Heart Warrior Achievement Scholarship INC | Education | $84K | $37K |
| 44 | The Groton Soccer Club INC | Recreation & Sports | $78K | $54K |
| 45 | United Steelworkers | Unclassified | $63K | $292K |
| 46 | Groton Scholarship Fund INC | Unclassified | $56K | $562K |
| 47 | Little League Baseball INC | Unclassified | $54K | $179K |
| 48 | Aluminum Falcon Robotics | Education | $46K | $10K |
| 49 | Doncasters INC Retiree Veba Trust | Mutual & Membership Benefit | $31K | $1.8M |
| 50 | Avery Memorial Association | Arts, Culture & Humanities | $22K | $252K |
| 51 | Odd Fellows Healthcare INC | Human Services | $16K | $184K |
| 52 | Messina Family Foundation INC | Youth Development | $10K | $3K |
| 53 | American Federation of Government Employees Local 2105 | Employment | $8K | $73K |
| 54 | Scient Credit Union Foundation INC | Education | $2K | $53K |
| 55 | Margaret Drakeley Memorial Scholarship Fund | Philanthropy, Voluntarism & Grantmaking | $650 | $1K |
| 56 | Polidori Family Charitable Foundation | Philanthropy, Voluntarism & Grantmaking | $1 | $1 |
| 57 | Christ Church of God & Family Center INC | Religion-Related | $0 | $0 |
| 58 | International Association of Fire Fighters | Unclassified | $0 | $0 |
| 59 | Groton Congregational Church | Unclassified | $0 | $0 |
| 60 | Poquonnock Bridge Baptist Church INC | Unclassified | $0 | $0 |
| 61 | Faith Lutheran Church | Unclassified | $0 | $0 |
| 62 | Scient Federal Credit Union | Unclassified | $0 | $0 |
| 63 | New London County Bar Association INC | Unclassified | $0 | $0 |
| 64 | Groton Rotary Community Awards INC | Unclassified | $0 | $0 |
| 65 | Templo Christiano Roca de Salvacion | Unclassified | $0 | $0 |
| 66 | American Federation of State County & Municipal Employees | Unclassified | $0 | $0 |
| 67 | Victory Bible Baptist Church INC | Unclassified | $0 | $0 |
| 68 | Seaport Community Church of the Assemblies of God | Unclassified | $0 | $0 |
| 69 | Southern New England Branch of the American Association for | Animal-Related | $0 | $0 |
| 70 | Connecticut Education Association | Employment | $0 | $0 |
| 71 | Chelsea Foundation INC | Unclassified | $0 | $0 |
| 72 | Covenant Presbyterian Church | Unclassified | $0 | $0 |
| 73 | Poquonnock Bridge Neighborhood Association INC | Community Improvement & Capacity Building | $0 | $0 |
| 74 | Fort Griswold Battlefield State Park Foundation INC | Arts, Culture & Humanities | $0 | $0 |
| 75 | Groton Education Foundation INC | Education | $0 | $0 |
| 76 | Southeastern Connecticut Womens Network | Unclassified | $0 | $0 |
| 77 | Grace Baptist Church of Groton INC | Religion-Related | $0 | $0 |
| 78 | Groton Regional Theatre INC | Arts, Culture & Humanities | $0 | $0 |
| 79 | Connecticut Association of Wetland Scientists | Unclassified | $0 | $0 |
| 80 | Noank Fire Company No 1 INC | Public Safety, Disaster Preparedness & Relief | $0 | $0 |
| 81 | Groton Parks Foundation INC | Recreation & Sports | $0 | $0 |
| 82 | Community Baptist Church of Groton Connecticut | Unclassified | $0 | $0 |
| 83 | Groton Board of Education | Unclassified | $0 | $0 |
| 84 | Church of Christ in Groton | Unclassified | $0 | $0 |
| 85 | Little League Baseball INC | Recreation & Sports | $0 | $0 |
| 86 | Glory Church | Unclassified | $0 | $0 |
| 87 | Outreach for the Unreached Soul Winning Ministry | Religion-Related | $0 | $0 |
| 88 | Groton Public Library Circle of Friends INC | Education | $0 | $0 |
| 89 | Eastern Connecticut Emerald Society | Recreation & Sports | $0 | $0 |
| 90 | Groton Animal Foundation INC | Animal-Related | $0 | $0 |
| 91 | St. Johns Christian Church | Unclassified | $0 | $0 |
| 92 | Missionary Church of Groton | Religion-Related | $0 | $0 |
| 93 | Nutmeg Volunteer Jr Ancient Fife & Drum Corps INC | Unclassified | $0 | $0 |
| 94 | Trinity Bible Church INC | Unclassified | $0 | $0 |
| 95 | American Federation of State County & Municipal Employees | Unclassified | $0 | $0 |
| 96 | Submarine Officers Spouses Association New London | Unclassified | $0 | $0 |
| 97 | Knights of Columbus | Unclassified | $0 | $0 |
| 98 | Sons of Hermann of the State of Connecticut | Unclassified | $0 | $0 |
| 99 | William Meredith Foundation INC | Arts, Culture & Humanities | $0 | $0 |
| 100 | Big Red Memorial Fund INC | Philanthropy, Voluntarism & Grantmaking | $0 | $0 |