| 9325 | 246d | D | BaltEnvPD | Baltimore Environmental Police | Law Dispatch |
| 11761 | 2df1 | D | CM-MAA Fire | Maryland Aviation Administration for Fire/EMS Interoperability | Interop |
| 11762 | 2df2 | D | CM-MAA Law | Maryland Aviation Administration for Law Enforcement Interoperability | Interop |
| 11763 | 2df3 | D | CM MDEM | Maryland Department of Emergency Management | Interop |
| 11764 | 2df4 | D | CM MIEMSS | Maryland Institute for Emergency Medical Services Systems (MIEMSS) | Interop |
| 11771 | 2dfb | D | CMARC Evt 1 | Event 1 | Interop |
| 11772 | 2dfc | D | CMARC Evt 2 | Event 2 | Interop |
| 11773 | 2dfd | D | CMARC Evt 3 | Event 3 | Interop |
| 11774 | 2dfe | D | CMARC Evt 4 | Event 4 | Interop |
| 11775 | 2dff | D | CMARC Evt 5 | Event 5 | Interop |
| 11776 | 2e00 | D | CMARC Evt 6 | Event 6 | Interop |
| 11791 | 2e0f | D | CMARC F-1 | F-1 | Interop |
| 11792 | 2e10 | D | CMARC F-2 | F-2 | Interop |
| 11793 | 2e11 | D | CMARC CM-L1 | CM-L1 | Interop |
| 11794 | 2e12 | D | CMARC CM-L2 | CM-L2 | Interop |
| 11795 | 2e13 | D | CMARC MACoor | Mutual Aid Coordination | Interop |
| 11800 | 2e18 | D | CMARC Admin | Admin | Public Works |
