| 1 | UMS | Unitemp-M, Limited Liability Industrial Company | Callsign: Topaz, | RUS | AVCODES |
| 2 | UMS | Unitemp-M | | | ICAO1 |
| 3 | UMSA | UGLAND MARINE SERVICES AS | | | SCAC4 |
| 4 | UMSC | UNIVERSITY MOVING & STORAGE COMPANY | | | SCAC4 |
| 5 | UMSD | UNIVERSITY MOVING & STORAGE COMPANY | | | SCAC4 |
| 6 | UMST | UMS TRUCKING | | | SCAC4 |
| 7 | UMSX | UNITED STEELWORKERS OF AMERICA | | | PWRC |
| 8 | UMSZ | INTERMODAL SERVICES, INC. | | | PWRC |
| 9 | UMSZ | Maersk Equipment Services | | | RSRV |
| 10 | UMSZ | MAERSK EQUIPMENT SERVICE COMPANY | | | SCAC4 |
