| Name | Deductibility Code |
| Friends of Thetford Education | -- |
| Glad Day Books | 4 |
| Maple Leaf Group Day Care | -- |
| Open Fields Inc. | -- |
| Thetford Academy | -- |
| Thetford After School Program Inc. | -- |
| Thetford Chamber Singers | -- |
| Thetford Elementary School Parent Teacher Organization Inc. | -- |
| Thetford Historical Society Inc. | -- |
| Thetford Library Federation Inc. | -- |