| Name | Deductibility Code |
| Barbara Hayes Family Foundation | 4 |
| Brewster Band | -- |
| Brewster Cemetery Assoc | 6 |
| Brewster Conservation Trust | -- |
| Brewster Historical Society Inc. | -- |
| Brewster Ladies Library Assn | -- |
| Brewster Ladies Library Endowment Fund Inc. | -- |
| Brewster Meeting House Preservation Project Inc. | -- |
| Brewster Memorial Scholarship Fund | -- |
| Cape Cod and Islands Library Association | -- |
| Cape Cod Museum of Natural History Inc. | -- |
| Cape Cod Repertory Theatre Co Inc. | -- |
| Cape Cod Repertory Theatre Company Incorporated | -- |
| Carapace the Healing Place Inc. | -- |
| Clothesline Project Inc. | -- |
| Eagle Point Inc. | -- |
| Eddy Elementary School Parents Group Inc. | -- |
| Family-Centered Institute | -- |
| Feminists Against Academic Discrimination Inc. | -- |
| Foundation for Family Education Inc. | -- |
| Foundation for Health | 4 |
| Four Corners Missions Inc. | -- |
| Fredricke Court Development Corporation | -- |
| Friends of Nickerson State Park | -- |
| Friends of the Brewster Elders Corporation | -- |
| Grace House Institute Inc. | -- |
| Grant W Koch Scholarship Fund | -- |
| Latham Centers Inc. | -- |
| Laurel Education Center Inc. | -- |
| Meeting House Chamber Music Festival Inc. | -- |
| National Council for Geocosmic Research Inc. | 1 |
| Nauset Youth Alliance | -- |
| Nauset Youth Hockey Association | -- |
| New England Fire & History Museum Inc. | -- |
| Pasch Inc. | -- |
| Residential Rehabilitation Housing Inc. | -- |
| Smith College Club of Cape Cod | -- |
| The Brewster Baseball Club Inc. | -- |
| Weir Landing Inc. | -- |
| Winifred M Stenson Charitable Trust | 4 |