| Name | Deductibility Code |
| Adult Literacy Program of Gibson County Inc. | -- |
| Boys Club of Princeton | -- |
| Columbia Church Cemetery Inc. C/O Joseph Maxey | 6 |
| Domestic Violence Task Force of Gibson County Inc. | -- |
| Doulos Inc. | -- |
| Emmy Corp | -- |
| Friends of the Princeton Public Library Inc. | -- |
| Gibson Co Youth Football League Inc. | 4 |
| Gibson County Area Rehabilitation Centers Inc. | -- |
| Gibson County Auto Mission Inc. | -- |
| Gibson County Casa Inc. | -- |
| Gibson County Council on the Aging Inc. | -- |
| Gibson County Economic Development Corporation | -- |
| Gibson County Fairgounds Pavilion Inc. | -- |
| Gibson County Lending Library | -- |
| Gibson County Rescue Service Inc. | -- |
| Gibson County Soccer Club Inc. | -- |
| Gibson County Step Ahead Council Inc. | -- |
| Gibson County Theatre Company Inc. | -- |
| Gibson General Health Foundation | -- |
| Gibson General Hospital Inc. | -- |
| Gibson General Hospital Womens Auxiliary | -- |
| Green Thumb Garden Club of Princeton Indiana | -- |
| Heartland Health Care Foundation Inc. | -- |
| Heritage Chapel Ministries Inc. | -- |
| Indiana Rainbow Girls Foundation | -- |
| Larry Stephenson Ministries Inc. | -- |
| Leadership Gibson County Inc. | -- |
| Lyles Station Historic Preservation Corporation | -- |
| Millennium Development Services | -- |
| Morning Etude | -- |
| National Endowment Association Incorporated | -- |
| North Gibson School Building Corporation | 6 |
| North Gibson Youth Coalition Inc. | -- |
| Pike County Area Rehabilitation Centers Inc. | -- |
| Princeton Band Boosters Inc. | -- |
| Princeton Firefighters Charitable Association | -- |
| Princeton Goaltenders Inc. | -- |
| Princeton Kiwanis Foundation Inc. | -- |
| Princeton Middle School Soccer Club | -- |
| Princeton Railroad Station Inc. | -- |
| Red Ribbon Committee for Drug Free Gibson Co | -- |
| Save | -- |
| Union Community Church Cemetery Fund | 6 |
| United Way of Gibson County Inc. | -- |