| Name | Deductibility Code |
| Citizen Advocacy of Cape Cod Inc. | -- |
| Federal Employment Law Training Group | -- |
| Friends of Herring River Wellfleet-Truro | -- |
| Friends of the Wellfleet Libraries | -- |
| Mass A-Peal Inc. | -- |
| Mustard Seed Kitchen | -- |
| New Hope Community Christian Church | -- |
| North East All - Retriever Rescue | -- |
| The Friends of the Wellfleet Council on Aging Inc. | -- |
| Volunteers for A I M Thrift Shop Inc. | -- |
| Wellfleet Child Care Association Inc. | -- |
| Wellfleet Conservation Trust | -- |
| Wellfleet Harbor Actors Theater Inc. | -- |
| Wellfleet Historical Society Inc. | -- |
| Wellfleet Permanent Firefighters Association Inc. | -- |
| Wellfleet Police Relief Association Inc. | -- |
| Wellfleet Preschool Playgroup Inc. | -- |
| Wellfleet Preservation Hall | -- |