| Name | Deductibility Code |
| American Secondary Schools for Internatl Students & Teachers Inc. | -- |
| Emergency Aid Association Inc. | -- |
| Friends of the Enfield Falls Canal Inc. | -- |
| Friends of the Farm at Hilltop Inc. | -- |
| Friends of the Kent Memorial Library | -- |
| Hampden County Radio Association Inc. | -- |
| J and K Thomas Foundation | 4 |
| J R Albert Charitable Trust | 4 |
| New England Educational Productions Inc. | -- |
| River Valley Fellowship Church Inc. | -- |
| Suffield Academy | -- |
| Suffield Community Center Association Inc. | -- |
| Suffield Cooperative Preschool | -- |
| Suffield Council for the Arts | -- |
| Suffield Elementary Pto | -- |
| Suffield Foundation for Excellent Schools Inc. | -- |
| Suffield Historical Society Incorporated | -- |
| Suffield Land Conservancy Inc. | -- |
| Suffield Middle School Parent Teacher Advisory Council Inc. | -- |
| Suffield Public Library Foundation Inc. | -- |
| Suffield Rotary Foundation | -- |
| Suffield Soccer Club Inc. | -- |
| Suffield Travel Basketball Club | -- |
| Suffield Volunteer Ambulance Association Inc. | -- |
| Suffiled Players Inc. | -- |
| Third Baptist Church of Suffield Inc. | -- |
| US Navy World War II Battles Memorial Foundation Inc. | 4 |
| West Suffield Cemetery Association Inc. of Suffield | 6 |