| Name | Deductibility Code |
| Boondocks Educational Foundation Incorporated | -- |
| Civic Cheer Guild of Knightstown Inc. | -- |
| East Central Indiana Christian Mens Fellowship Inc. | -- |
| Faith Chapel | -- |
| First Christian Church of Knightstown | -- |
| Historic Knightstown Inc. | -- |
| Hooser Gym Community Center of Knightstown Inc. | -- |
| Indiana Soldiers & Sailors Childrens Home Alumni Assn | -- |
| Joint Township Committee for School Preservation | -- |
| Knightstown Carthage School Building Corporation | 6 |
| Knightstown High School Alumni Association Inc. | -- |
| Knightstown Home Memorial Foundation Inc. | -- |
| Knightstown Neighborhood Crime Watch | -- |
| Make A Difference Knightstown Inc. | -- |
| Newbirth Church Inc. | -- |
| Reeves Foundation Incorporated | 4 |
| Southwest Districk Ambulance Service Inc. | -- |
| Veterans Memorial Foundation Inc. | -- |