| 1 | RMN | RM Aviation Ltd. | Callsign: Roman, | GB | AVCODES |
| 2 | RMN | Classic Flight Training Services Ltd | Callsign: Rainman, Ceased operations. | GB | AVCODES |
| 3 | RMNC | ROCKY MOUNTAIN COMPANY | | | SCAC3 |
| 4 | RMNC | RMC FOODS INC | | | SCAC4 |
| 5 | RMND | RAMSAN | | | SCAC4 |
| 6 | RMNG | R & M TRUCKING | | | SCAC3 |
| 7 | RMNG | RM TRUCKING INC | | | SCAC4 |
| 8 | RMNI | ROMAIN TRANSPORT | | | SCAC4 |
| 9 | RMNL | RUEBUSH, LARRY TRUCKING INC | | | SCAC3 |
| 10 | RMNL | RAMOS, MANUEL A | | | SCAC4 |
| 11 | RMNR | RMS TRANSPORT | | | SCAC4 |
| 12 | RMNS | R M TRUCKING & STORAGE | | | SCAC4 |
| 13 | RMNT | RICHMOND TRANSPORT INC | | | SCAC3 |
| 14 | RMNY | ROMNEY BENTLEY, RULON KENT | | | SCAC4 |
| 15 | RMNZ | CSX TRANSPORTATION, INC. | | | PWRC |
