| Name | Deductibility Code |
| Black Locust Initiative Inc. | -- |
| Cayuga Dressage and Combined Training Inc. | -- |
| Community Science Institute Inc. | -- |
| Discovery Trail | -- |
| Finger Lakes Grassroots Festival Organization Inc. | -- |
| Food Studies Institute Inc. | -- |
| Ithaca Alpha House Center Inc. | -- |
| Labyrinth Society Inc. | -- |
| Pet-The-Pet Program Inc. | -- |
| Sera Jay Support Committee Incorporated | -- |
| Taughannock Soccer Club Inc. | -- |
| Tcsd Foundation Inc. | -- |
| The Linda P and Edward P Williams Family Charitable Foundation | 4 |
| Trumansburg After School Program Inc. | -- |
| Trumansburg After School Program Whig St. | -- |
| Trumansburg Charitable Tr | 4 |
| Trumansburg Color Guard Boosters | -- |
| Trumansburg Community Nursery School Inc. | -- |
| Trumansburg Conservatory of Fine | -- |
| Trumansburg Fire Company | -- |
| Trumansburg Music Boosters Inc. | -- |
| Ulysses Historical Society | -- |
| Ulysses Philomathic Library | -- |