| Name | Deductibility Code |
| American Legion Community Ambulance Inc. | -- |
| American Legion Veterans Housing Inc. | -- |
| Eastern Ahec Inc. | -- |
| Friends of the Slater Library | -- |
| Griswold Church of Christ | -- |
| Griswold Historical Society | -- |
| Griswold Players Inc. | -- |
| Griswold Players Scholarship Fund Inc. | -- |
| Griswold Regional Lions Charities Inc. | -- |
| Griswold Soccer Club | -- |
| Health and Science Communications Association | -- |
| Interfaith Counseling and Pastoral Care Services Inc. | -- |
| Janno Peensalu Ministries Inc. | -- |
| Jewett City Savings Bank Foundation Inc. | 4 |
| Latvian Ministries Inc. | 4 |
| Norwich Rotary Foundation Inc. | -- |
| Pachaug Cemetery Association Inc. | 6 |
| Peniel Inc. | -- |
| Slater Library Corporation | -- |
| Thames Valley Council for Community Action Inc. | -- |