| Name | Deductibility Code |
| Carroll County Underwater Search and Rescue Inc. | -- |
| Carrollton Community Heritage Club | -- |
| Charles W Thomas & Bertha L Thomas Educational Loan Fund | -- |
| Coon Rapids Bayard Educational Corporation | 4 |
| Coon Rapids Independent Living Facility | -- |
| Creating Great Places | -- |
| Jo and David Garst Education Fund | 4 |