| Name | Deductibility Code |
| Electronic Valley Inc. | -- |
| Everyman Guild Ltd. | -- |
| Friends of the Library in Oxford | -- |
| Heartt Inc. | -- |
| Helping Overwhelmed Parents Educate | -- |
| Jane D Weiss Family Foundation Inc. | 4 |
| Manuel Pires Family Foundation Inc. | 4 |
| Mazaika Family Foundation Inc. | 4 |
| New Haven Rowing Club Inc. | -- |
| Oxford Ambulance Association Inc. | -- |
| Oxford Economic Development Corp Inc. | -- |
| Oxford High School Booster Club | -- |
| Oxford Historical Society Inc. | -- |
| Oxford Land Trust Inc. | -- |
| Oxford Library Foundation Inc. | -- |
| Oxford Parent Teacher Organization Inc. | -- |
| Oxford Senior Citizens Inc. | -- |
| Oxford Soccer League Inc. | -- |
| Park City Pride Combined Alumni Drum and Bugle Corps Inc. | -- |
| Pomperaug Community Golf Tournament | -- |
| Recreation Camp Inc. | -- |