| Name | Deductibility Code |
| 2nd Connecticut Volunteer Heavy Artillery | -- |
| Camp Jonathan Inc. | -- |
| Child Development Program at Taft Inc. | -- |
| Connecticut Childrens Dance Theatre Inc. | -- |
| Crepon Strays Inc. | -- |
| East Mountain Church of Christ | -- |
| Evergreen Cemetery Association | 6 |
| Family Option Inc. | -- |
| Friends of the Watertown Library Association Inc. | -- |
| Historical Society Inc. Watertown | -- |
| Kangaroos Korner Inc. | -- |
| La Paloma Inc. | 4 |
| Lacrosse Association of Watertown | -- |
| Litchfield County Childrens Choir Inc. | -- |
| Oakville-Watertown Fife & Drum Corps Inc. | -- |
| Oakville-Watertown Youth Athletic Association | -- |
| Open Gaits Inc. | -- |
| Rotary Club of Watertown Connecticut Foundation Inc. | -- |
| Taft School Corporation | -- |
| The Connecticut Environmental Health Association Inc. | -- |
| Vna Health at Home Inc. | -- |
| Water-Oak Athletic Club | -- |
| Water-Oak Community Youth Center Inc. | -- |
| Waterbury Area Fire Chiefs Association Inc. | -- |
| Watertown Area Assn for Special Citizens | -- |
| Watertown Association for Youth Soccer Inc. | -- |
| Watertown Fire Department Inc. | 6 |
| Watertown First Robot Inc. | -- |
| Watertown Foundation Inc. | -- |
| Watertown Land Trust Inc. | -- |
| Watertown Library Association | -- |
| Watertown Lions Foundation Inc. | -- |
| Watertown Music Boosters Association | -- |
| Watertown Public School Education Foundation Inc. | -- |
| Watertown Youth Hockey Association Inc. | -- |
| Westbury Recreation Center Inc. | -- |