| Name | Deductibility Code |
| American Seniors Golf Association Charitable Tr Fund | -- |
| Barnstable High School Athletic Hall of Fame Inc. | -- |
| Bruce and Adele Greenfield Foundation | 4 |
| Burgess Park Play Ground Committee | -- |
| Cape Cod Kollel Incorporated | -- |
| Friends of the Bridgeview School Inc. | -- |
| Gebelein Foundation | 4 |
| Great Commission Christian Ministries | -- |
| Leah Belle & P David Chernov Charitable Foundation | 4 |
| Marstons Mills Historical Society Inc. | -- |
| Marstons Mills Public Library Inc. | -- |
| Marstons Mills Village Association Inc. | -- |
| Mobile Post Office Society Inc. | -- |
| One Light | -- |
| Opera New England of Cape Cod Inc. | -- |
| Sheftel Foundation Inc. | 4 |
| Young Peoples Decade of Commitment Inc. | -- |