| Name | Deductibility Code |
| 8th Regiment Connecticut Volunteers Company A | -- |
| Earl M Ellis Youth Sports Foundation | -- |
| Friends of Glastonbury Rowing Inc. | -- |
| Friends of Glastonbury Sports Inc. | -- |
| Glastonbury Park Association Inc. | -- |
| Glastonbury Partners in Planting Inc. | -- |
| Hopewell School Parent Teacher Organization | -- |
| Irving L Gilman Family Charitable Foundation | 4 |
| Protectors of Animals Inc. | -- |
| Ruth M Tryon Charitable Foundation Inc. | 4 |
| South Glastonbury Public Library Association Inc. | -- |