| Name | Deductibility Code |
| Ackland Sports Medicine Foundation | -- |
| Asian Culture Society of Cape Cod Inc. | -- |
| Calvary Chapel of Cape Cod | -- |
| Cape Cod Bmx | -- |
| Cape Cod Challenger Club Inc. | -- |
| Cape Cod Chorale | -- |
| Cape Cod Immigrant Center Inc. | -- |
| Cape Cod Reunited Football Club Inc. | -- |
| Cape Cod United Inc. | -- |
| Colum Cille Pipes & Drums | -- |
| Damascus Road Ministries Inc. | -- |
| Friends of the Sandwich Council on Aging Inc. | -- |
| Friends of the Sandwich Public Library Inc. | -- |
| Friends of the Sandwich Town Archives | -- |
| Glass Town Gala Inc. | -- |
| Heritage Plantation of Sandwich Inc. | -- |
| Kerry Kares Inc. | -- |
| Kids Club Educational Programs Inc. Doug and Betsy Hackett | -- |
| North American Wildfowl Foundation | 4 |
| Pettee-Chace Memorial Scholarship Funds | 4 |
| Quilted Angels Inc. | -- |
| Sandwich Adventure Playground Committee | -- |
| Sandwich Area Community Access Television Inc. | -- |
| Sandwich Babe Ruth League | -- |
| Sandwich Citizens Police Academy Alumni Inc. | -- |
| Sandwich Food Pantry Incorporated | -- |
| Sandwich Health Association Inc. | -- |
| Sandwich Historical Society | -- |
| Sandwich Youth Lacrosse Inc. | -- |
| Shawme Heights II Inc. | -- |
| Shawme Heights Inc. | -- |
| Shawme Ponds Watershed Association Inc. | -- |
| Techcite Inc. | -- |
| The Packy Fund Inc. | -- |
| Tupper Family Association of America Inc. | -- |
| Wing Family of America Inc. | -- |
| Yesteryears Museum Association Inc. | -- |