| 4321 | 10e1 | D | 28TCAPS | Traverse City Area Public Schools | Schools |
| 4408 | 1138 | D | 28UTIL | Utilities | Utilities |
| 4910 | 132e | DE | 28TCAPS2 | TCAPS Transportation - Patched to NXDN 151.460 | Schools |
| 14050 | 36e2 | D | 28ROAD | Road Commission | Public Works |
| 14051 | 36e3 | D | 28NMC | Northern Michigan College | Public Works |
| 14052 | 36e4 | D | 28CCA | Cherry Capital Airport | Public Works |
| 14053 | 36e5 | D | 28ANIM | County Animal Control | Public Works |
| 14147 | 3743 | D | 28ROAD1 | Road Commission Operations 1 | Public Works |
| 14148 | 3744 | D | 28ROAD2 | Road Commission Operations 2 | Public Works |
| 14149 | 3745 | D | 28ROAD3 | Road Commission Operations 3 | Public Works |