| 1 | RMX | Air Max Ltd. | Callsign: Aeromax, Ceased Operations. | BG | AVCODES |
| 2 | RMX | Air Max | | | ICAO1 |
| 3 | RMX | Rowena Mathis Tank Line | 1/1941-4/1947 | | NAKINA |
| 4 | RMX | Rowena Mathis, care of Warren Tank Car Co. | 7/1937-4/1938 | | NAKINA |
| 5 | RMX | Rowena Mathis | Apr-38 | | NRHS |
| 6 | RMX | *ROWENA MATHIS TANK LINE [WARREN TANK CAR CO.] | | | PWRC |
| 7 | RMX | *READY MIXED CONCRETE CO | | | PWRC |
| 8 | RMXB | RAMIREZ EXPRESS | | | SCAC4 |
| 9 | RMXC | ROYAL MOTOR EXPRESS INC | | | SCAC3 |
| 10 | RMXC | R & M TRANSPORTATION INC | | | SCAC4 |
| 11 | RMXE | RMX TRANSPORTATION LLC | | | SCAC4 |
| 12 | RMXF | RE/MAX ALLEGIANCE RELOCATION SERVIC | | | SCAC4 |
| 13 | RMXI | RAYMAXX INC | | | SCAC3 |
| 14 | RMXI | ROM TRANS INC | | | SCAC4 |
| 15 | RMXM | RANDOM TRANSIT INC | | | SCAC4 |
| 16 | RMXO | ROMER TRANSPORTATION | | | SCAC4 |
| 17 | RMXP | ROMEDU EXPRESS LLC | | | SCAC4 |
| 18 | RMXQ | REMEX | | | SCAC4 |
| 19 | RMXR | ROCKY MOUNTAIN EXPRESS | | | SCAC3 |
| 20 | RMXR | ROCKY MOUNTAIN EXPRESS | | | SCAC4 |
| 21 | RMXS | ROMATIN EXPRESS INC | | | SCAC3 |
| 22 | RMXS | RM EXPRESS | | | SCAC4 |
| 23 | RMXT | R MILLENNIUM TRANSPORT | | | SCAC4 |
| 24 | RMXU | ARAMAX CARGO CONTAINERS RENTAL EST | | UAE | BIC |
| 25 | RMXW | RUMA TRANSPORT LLC | | | SCAC4 |
| 26 | RMXY | RAMI MAR TRANSPORT | | | SCAC4 |
