| Baltimore Gas and Electric |
iDEN Harmony |
Various |
| Central Maryland Area Regional Communications Committee (CMARC) |
Project 25 Phase I |
Various |
| First Responders Interoperable Radio System Team (FIRST) |
Project 25 Phase II |
Various |
| Howard Communications (Columbia NXDN) |
NXDN Icom IDAS Type D |
Columbia |
| Howard County |
Project 25 Phase I |
Various |
| Howard County General Hospital |
DMR Motorola Capacity Plus Single Site (TRBO) |
Columbia |
| Integrated Wireless Network (IWN) National Capital Region |
Project 25 Phase I |
Various |
| Justice Integrated Wireless Network |
Project 25 Phase II |
Various |
| United States Department of Defense (1B5C8-001) |
Project 25 Phase II |
Various |
