| 49472 | c140 | D | LHD WSHNGTN | ODH mutual aid-Washington County health department | Interop |
| 49488 | c150 | D | LHD BELPRE | ODH mutual aid-Belpre health department | Interop |
| 49504 | c160 | D | LHD MARIETTA | ODH mutual aid-Marietta health department | Interop |
| 49872 | c2d0 | D | HOS-8401 | Marietta Memorial Hospital (Marietta) | Hospital |
| 49888 | c2e0 | D | HOS-8402 | Selby General Hospital (Marietta) | Hospital |
| 53216 | cfe0 | D | SO84DISP | Washington Co SO dispatch | Law Dispatch |
| 54000 | d2f0 | D | 84 ENGINEER | Washington Co Engineer | Public Works |
| 54096 | d350 | D | FD84DISP | Washington Co Fire Dispatch | Fire Dispatch |
| 54112 | d360 | D | FD84TAC1 | Washington Co Fire TAC | Fire-Tac |
| 54544 | d510 | D | MARIETTA FD1 | Marietta FD Dispatch | Fire Dispatch |
| 54560 | d520 | D | MARIETTA FD2 | Marietta FD TAC | Fire-Tac |
| 58944 | e640 | D | COEMA-84 | Washington County EMA | Interop |
| 63920 | f9b0 | D | SO-84 | Washington County statewide interop | Interop |
