| Baltimore Gas and Electric |
iDEN Harmony |
Various |
| Champion Communication (Upper Marlboro) |
LTR Standard |
Upper Marlboro |
| Department of Homeland Security |
Project 25 Phase I |
Various |
| DMR-MARC Amateur Radio Network (MD) |
DMR Conventional Networked |
Various |
| First Responders Interoperable Radio System Team (FIRST) |
Project 25 Phase II |
Various |
| FleetTalk (DC-Area Connect Plus) |
DMR Motorola Connect Plus (TRBO) |
Various |
| FleetTalk (Silver Spring LTR) |
LTR Standard and Passport |
Silver Spring |
| Gaylord National Resort and Convention Center |
DMR Motorola Capacity Plus Single Site (TRBO) |
National Harbor |
| Integrated Wireless Network (IWN) National Capital Region |
Project 25 Phase I |
Various |
| Interstate Repeater System |
DMR Conventional Networked |
Various |
| Joint National Capital Region |
Project 25 Phase II |
Various |
| Justice Integrated Wireless Network |
Project 25 Phase II |
Various |
| MGM National Harbor |
DMR Motorola Capacity Plus Single Site (TRBO) |
Oxon Hill |
| NASA Goddard Space Flight Center |
Project 25 Phase II |
Various |
| Northwest Stadium |
DMR Motorola Capacity Plus Multi Site (TRBO) |
Landover |
| Prince George's County |
Project 25 Phase II |
Various |
| United States Department of Defense (1B5C8-001) |
Project 25 Phase II |
Various |
| University of Maryland Capital Region Medical Center |
DMR Motorola Capacity Plus Single Site (TRBO) |
Largo |
| University of Maryland, College Park |
Motorola Type II Smartnet |
College Park |
| Washington Metropolitan Area Transit Authority (P16) |
Motorola Type II SmartZone |
Various |
| Washington Metropolitan Area Transit Authority (P25) |
Project 25 Phase II |
Various |