| Name | Deductibility Code |
| A Room With A New View | -- |
| Adoption Resource Center of Connecticut Inc. | -- |
| Advocates of Creative Experiences Inc. | -- |
| Afghan Society of Connecticut Inc. | -- |
| American Academy of Clinical Psychiatrists | -- |
| American Academy of Forensic Psychology Inc. | -- |
| Americas Truth Forum | -- |
| Buckingham Congregational Church United Church of Christ | -- |
| Buckingham Cooperative Nursery School | -- |
| Buttonball Lane School Pto | -- |
| Center for the Advancement of Youth Family and Community Services Inc. | -- |
| Champ Community Health Alliance of Mental Health Professionals Inc. | -- |
| Cherish the Children Foundation Inc. | -- |
| Chi Society of Ct Inc. | -- |
| Co-op Initiatives Inc. | -- |
| Congregation Kol Haverim Inc. | -- |
| Connecticut Baseball Charitable Foundation Inc. | -- |
| Connecticut Chamber Symphony Inc. | -- |
| Connecticut Friends for Als Research | -- |
| Connecticut Soccer Ambassadors Inc. | 4 |
| Connecticut State Grange Patrons of Husbandry | 1,2,6 |
| Daniel J Griffin Memorial | -- |
| Democracyworks Inc. | -- |
| Dreaming and Working Together Inc. | -- |
| East Glastonbury Public Library Inc. | -- |
| Eastbury School Pto | -- |
| Fish of Glastonbury Inc. | -- |
| Fisher Foundation Inc. | 4 |
| Free Inside Inc. | -- |
| Friends of Ghs Lacrosse Inc. | -- |
| Friends of Glastonbury Youth Inc. | -- |
| Friends of the Wells-Turner Mem Library Inc. | 5 |
| Futures Institute for Sustainable Development Inc. | 4 |
| Futures Institute Inc. | -- |
| Gideon Welles School Pto | -- |
| Givageta Foundation Inc. | -- |
| Glastonbry Lacrosse Tournament Inc. | -- |
| Glastonbury ABC Inc. | -- |
| Glastonbury Art Guild Incorporated | -- |
| Glastonbury Assisted Housing Non-Profit Inc. | -- |
| Glastonbury Bikeways Inc. | -- |
| Glastonbury Booster Club Inc. | -- |
| Glastonbury Community Church | -- |
| Glastonbury Education Foundation | -- |
| Glastonbury Fire Thomas G Manager Training Center Inc. | 4 |
| Glastonbury Free Academy Inc. | -- |
| Glastonbury Hartwell Soccer Club Inc. | -- |
| Glastonbury High School Parents Organization Inc. | -- |
| Glastonbury Interfaith Association Inc. | 4 |
| Glastonbury Interfaith Housing Corporation | -- |
| Glastonbury Junior Tomahawks | 4 |
| Glastonbury Lacrosse Club Inc. | -- |
| Glastonbury Safe Rides Inc. | -- |
| Glastonbury Volunteer Ambulance Association Inc. | -- |
| Glastonbury Youth Football Association Inc. | -- |
| Great Meadows Conservation Trust Inc. | -- |
| Hawkwing Inc. | -- |
| Hebron Avenue School Parent Teacher Organization | -- |
| Historical Society of Glastonbury Incorporated | -- |
| Hundred Club of Connecticut Inc. | -- |
| Iglesia Pentecostal La Senda Antigua Pentecostal Church Old Way | -- |
| International Aids Economics Network Inc. | -- |
| Kenneth Joyce Foundation Inc. | -- |
| Kinship 4 Kids Inc. | -- |
| Kol Haverim Cemetery Association Inc. | 6 |
| Kongscut Land Trust Inc. | -- |
| Land Heritage Coalition of Glastonbury Inc. | -- |
| Milan | -- |
| Mourning Parents Act Inc. | -- |
| Mra Foundation Inc. | -- |
| Museum of Connecticut Glass Inc. | -- |
| Naubuc School Parent Teacher Organization | -- |
| Newlife Christian Fellowship of Connecticut Inc. | -- |
| Nipsic Cemetery Association Inc. | 6 |
| North American Sundial Society Inc. | -- |
| Oakwood Soccer Club Inc. | -- |
| Officer Brian A Aselton Memorial Scholarship Fund Inc. | -- |
| Particular Council Society of St. Vincent De Paul | -- |
| Pastoral Counseling Ctr Inc. | -- |
| Pets on Wheels of Connecticut Inc. | -- |
| Pi Charities for Children | -- |
| Pote Foundation Inc. | -- |
| Prasad Family Foundation | 4 |
| Raga Club of Connecticut Inc. | -- |
| Riptide Rush Swim Team Inc. | 4 |
| Ronald McDonald House Charities Inc. | -- |
| Smartpower Connecticut Inc. | -- |
| Sneha Inc. | -- |
| Stone Chiropractic Baseball Camp | -- |
| The Buckingham Cemetery Association Incorporated | 6 |
| The Compass Fund Inc. | 4 |
| The Douglas E Shanley Foundation | 4 |
| Tribes of the World Inc. | 4 |
| Trust for A Mountain Classroom | -- |
| Upson Trust | -- |
| We Adopt Greyhounds Inc. | -- |
| Welles-Turner Memorial Library Second Century Fund Inc. | -- |
| William and Ellen E Macristy Foundation Inc. | 4 |
| Yankee Charitable Foundation | -- |