| Name | Deductibility Code |
| Brownstone Quarum Inc. | -- |
| Collaborative Solutions Inc. | -- |
| Connecticut Association of Social Workers Inc. | -- |
| Connecticut Cellar Savers Inc. | -- |
| Connecticut Military Vehicle Collectors Inc. | -- |
| Friends of the Portland Library | -- |
| Gildersleeve Wheeler Education Fund | -- |
| Great Connecticut River Raft Race Inc. | -- |
| Leead International Inc. | -- |
| Lionheart Films | 4 |
| Marc Charitable Tr | -- |
| Marc Community Resources Ltd. | -- |
| Portland Ancient Fife and Drum Corp Inc. | -- |
| Portland Burying Ground Association | 6 |
| Portland Environment Watch | 4 |
| Portland High School Sideliners Inc. | -- |
| Portland Historical Society Inc. | -- |
| Portland Revitalization Inc. | -- |
| Portland Soccer Club Inc. | -- |
| Portland Sports Hall of Fame Inc. | -- |
| Riverbend Christian Fellowship | -- |
| Roncalli Institute Inc. | 1 |
| Swedish Cemetery Inc. | 6 |