| Name | Deductibility Code |
| Allan B Roby and Frances M Roby Charitable Trust | 4 |
| Bear Hill Conservancy Tr | 3 |
| Crossroads Academy | -- |
| Dolma Ling Buddhist Center | -- |
| Friends of the Lyme Library | -- |
| Howard A Van Vleck Foundation Inc. | 4 |
| Ironwood Foundation Inc. | 4 |
| Lyme Foundation | -- |
| Lyme Historians Inc. | -- |
| Lyme Nursery School Inc. | -- |
| Lyme Town Band | -- |
| Lyme Town Library | -- |
| Redemption USA | 4 |
| Stannard & Dorothy Dunn Charitable Trust | 4 |
| Thinking Foundation | 4 |