| Name | Deductibility Code |
| Arnold M Albero Memorial Fund | 4 |
| Brewster Education Foundation Inc. | -- |
| Brewster Fire Department Auxiliary Inc. | -- |
| Brewster Fire Department Inc. | -- |
| Brewster Food Pantry Inc. | -- |
| Brewster Little League Inc. | -- |
| Brewster Performing Arts Booster Club | -- |
| Brewster Rotary Foundation Inc. | -- |
| Brewster Sports Foundation | -- |
| Brewster Theater Company Inc. | -- |
| Chuckie Goodnight Foundation Inc. | 4 |
| Clinton Association for A Renewed Environment Inc. | -- |
| Clinton Towers Housing Corp | -- |
| Community Christmas Concert Inc. | -- |
| Crossroads Organization Inc. | -- |
| Eastern Frontier Educational | 4 |
| Foundation for Holistic Medical Research Inc. | -- |
| Friends Network Inc. | -- |
| Friends of Green Chimneys | -- |
| Friends of Tilly Foster Conservation Area | -- |
| Green Chimneys Childrens Services Inc. | -- |
| Green Chimneys School for Little Folk | -- |
| Howard Foundation Inc. | 4 |
| Institute for Environmental Stewardship Incorporated | -- |
| Irish Dancing Teachers Association of North America | -- |
| Landmarks Preservation Society of Southeast | -- |
| Latino-American Alliance of Putnam County Inc. | -- |
| McGrorty Foundation Inc. | -- |
| Melrose School | -- |
| Mengler Foundation Scholarship Fund Inc. | 4 |
| Mental Health Association in Putnam County II Inc. | -- |
| One Small House Inc. | -- |
| Organic Reactions Inc. | 4 |
| Partners With Parc Inc. | -- |
| Peach Lake Enviromental Committee Inc. | -- |
| Pegasus Therapeutic Riding Inc. | -- |
| Prelude Ballet Ensemble | -- |
| Putnam County Land Trust | -- |
| Putnam County Music Educators Association Inc. | -- |
| Putnam County Temple & Jewish Center Inc. | -- |
| Remarkable Things Inc. | -- |
| Schermerhorn Foundation Inc. | -- |
| Sheet Metal Workers Craft Training Fund Local Union 38 | -- |
| Southeast Musuem Association Inc. | -- |
| Tri-County Bulldogs Inc. | -- |
| United Irish Appeal Inc. | -- |
| Village Housing in Putnam County Inc. | -- |