| 20 | 014 | DE | HCEMS Ops | Harris County EMS | EMS Dispatch |
| 122 | 07a | D | AcadianNorth | Acadian Ambulance North | EMS Dispatch |
| 124 | 07c | D | AcadianSouth | Acadian Ambulance South | EMS Dispatch |
| 130 | 082 | D | Acadian Tac1 | Acadian Ambulance Tactical 1 | EMS-Tac |
| 1317 | 525 | D | CLEMC Disp 1 | Clear Lake Emergency Medical Corps Dispatch 1 | EMS Dispatch |
| 1319 | 527 | D | CLEMC Disp 2 | Clear Lake Emergency Medical Corps Dispatch 2 | EMS-Tac |
| 1321 | 529 | D | CLEMC Admin | Clear Lake Emergency Medical Corps Administration | EMS-Talk |
| 1829 | 725 | T | WndsrEMS Tac | Windsor EMS Tactical | EMS-Tac |
| 2208 | 8a0 | T | WndsrEMSDisp | Windsor EMS Dispatch | EMS Dispatch |
