| Frequency | Licensee | FleetID | Fleet User | City | State | Sys_Type | Notes | Additional Notes |
| 409 | NAT'L INSTITUTE OF HEALTH | 4848 | NIH FD (DISP./OPER.) | ROCKVILLE | MD | II | BS406.000 | OFF25.0 |
| 410.225 | NAT'L INSTITUTE OF HEALTH | 4880 | NIH FIRE (PREVENTION) | ROCKVILLE | MD | II | ** | ** |
| 410.425 | NAT'L INSTITUTE OF HEALTH | 1648 | NIH PD (DISP./OPER.) | ROCKVILLE | MD | II | ** | ** |
| 411.45 | NAT'L INSTITUTE OF HEALTH | 8273 | NIH ELECTRICAL SHOP | ROCKVILLE | MD | II | ** | ** |
| 411.825 | NAT'L INSTITUTE OF HEALTH | 1264 | NIH PATIENT FOOD OPER. | ROCKVILLE | MD | II | ** | ** |
| 413.45 | NAT'L INSTITUTE OF HEALTH | 1296 | NIH HOUSEKEEPING | ROCKVILLE | MD | II | ** | ** |
| ** | NAT'L INSTITUTE OF HEALTH | 8176 | NIH LOCKSMITH | ROCKVILLE | MD | II | ** | ** |
| ** | NAT'L INSTITUTE OF HEALTH | 8048 | NIH CLINICAL CENTER MAINT | ROCKVILLE | MD | II | ** | ** |
| ** | NAT'L INSTITUTE OF HEALTH | 8080 | NIH NORTH BLDG. MAINT. | ROCKVILLE | MD | II | ** | ** |
| ** | NAT'L INSTITUTE OF HEALTH | 8112 | NIH SOUTH BLDG. MAINT. | ROCKVILLE | MD | II | ** | ** |
| ** | NAT'L INSTITUTE OF HEALTH | 11344 | NIH NETWORK MANAGEMENT | ROCKVILLE | MD | II | ** | ** |
| ** | NAT'L INSTITUTE OF HEALTH | 8240 | NIH PLUMBING SHOP | ROCKVILLE | MD | II | ** | ** |
| ** | NAT'L INSTITUTE OF HEALTH | 208 | NIH (CHIT CHAT) | ROCKVILLE | MD | II | ** | ** |