| Name | Deductibility Code |
| A Brighter Future Learning Center | -- |
| Band Boosters Club of Princeton Incorporated | -- |
| Bright Life Farms Inc. | -- |
| Butler Foundation Incorporated | -- |
| Butler-Caldwell County Alumni and Friends Association Incorporated | -- |
| Caldwell Co Animal Rescue | -- |
| Caldwell Co Historical Railroad Soc | -- |
| Caldwell County Association for Retarded Children | -- |
| Caldwell County Aware Inc. | -- |
| Caldwell County Free Clinic Inc. | -- |
| Caldwell County Hospital Foundation Inc. | -- |
| Caldwell County Hospital Inc. | -- |
| Caldwell County Scholarship Foundation Incorporated | -- |
| Caldwell County Senior Citizens Inc. | -- |
| Caldwell County Soccer Association Inc. | -- |
| Caldwell-Lyon Partnership Inc. | -- |
| Christ Tabernacle Church | -- |
| Community Disciples Incorporated | -- |
| Cross Roads Christian Church Inc. | -- |
| Golden Rule Preschool Inc. | -- |
| Hr Ministries | -- |
| Living Hope Pregnancy & Family Care Center Inc. | -- |
| Lords Mission Inc. | -- |
| Old Pleasant Hill Cemetery Association Inc. | 6 |
| Pennyroyal Industries Inc. | -- |
| Princeton Animal League Inc. | -- |
| Princeton Art Guild Inc. | -- |
| Princeton Caldwell County Kentucky Trail of Tears Commission Inc. | -- |
| Princeton Gospel Music Performers Organization | 4 |
| Robert & Evelyn Hewlett Morgan Family Foundation Inc. | 4 |
| Rowland Cemetery Inc. | 6 |
| Save Caldwell County Cemeteries Inc. | -- |
| Western Kentucky Industrial Training Consortium Incorporated | -- |
| Youth Incorporated of Caldwell County | -- |