| 107 | 06b | D | TRIMED1 | Tri-County Medical 1: EMS to Sparrow Clinton ER | Hospital |
| 108 | 06c | D | TRIMED2 | Tri-County Medical 2: EMS to Sparrow Eaton ER | Hospital |
| 109 | 06d | D | TRIMED3 | Tri-County Medical 3: EMS to Eaton Rapids Medical Center ER | Hospital |
| 110 | 06e | D | TRIMED4 | Tri-County Medical 4: EMS to McLaren ER | Hospital |
| 111 | 06f | D | TRIMED5 | Tri-County Medical 5: EMS to Sparrow Main ER | Hospital |
| 112 | 070 | D | TRIMED6 | Tri-County Medical 6 Hospital Mass Casualty | Hospital |
| 208 | 0d0 | DE | PTRICODB | Tri-County Detectives Operations | Law Tac |
| 294 | 126 | D | TRIMED7 | Tri-County Medical 7 | Hospital |
| 295 | 127 | D | TRIMED8 | Tri-County Medical 8 / IF OPS: : EMS to Sparrow Okemos ER | Hospital |
| 351 | 15f | D | TRIICCMD | Tri-County Ingham Command | Interop |
| 352 | 160 | D | TRIEOPS | Tri County EMS Operations | EMS-Tac |
| 353 | 161 | D | TRIFOPS | Tri County Fire Operations | Fire-Tac |
| 354 | 162 | D | TRIPOPS | Tri County Police Operations | Law Tac |
| 355 | 163 | D | TRISTAG | Tri County Emergency Staging Operations | Interop |
| 357 | 165 | D | TRITFC | Tri County Traffic Control | Interop |
| 14020 | 36c4 | D | FTRICO | Tri-County Fire Dispatch-to-Dispatch: Clinton, Eaton, Ingham Counties | Fire-Tac |
| 14021 | 36c5 | D | PTRICO | Tri-County Police Dispatch-to-Dispatch Clinton, Eaton, Ingham Counties | Law Tac |
