| 1 | RAX | Royal Air Freight, Inc. | Callsign: Air Royal, | USA | AVCODES |
| 2 | RAX | Rosenbalm Aviation, Inc | IATA: 9R, Name changed to Flagship Express late 1990. | USA | AVCODES |
| 3 | RAX | Royal Air Freight | | | ICAO1 |
| 4 | RAX | RPI-AAR Cooperative Test Program | 1/1975-1/1980; 1/1994 (not listed); 7/2000-7/2005 (not listed) | | NAKINA |
| 5 | RAX | RPI-AAR Cooperative Test Program | 1/75-7/2000 | | NRHS |
| 6 | RAX | RPI-AAR COOPERATIVE TEST PROGRAM | | | PWRC |
| 7 | RAX | RPI-AAR Cooperative Test Program | | | RSRV |
| 8 | RAXE | ROAD AIR EXPRESS | | | SCAC3 |
| 9 | RAXL | ROBERTS AUTO TRANSPORT LLC | | | SCAC4 |
| 10 | RAXN | ROCCA TRANSPORT SERVICES INC | | | SCAC4 |
| 11 | RAXQ | RAIDERS EXPRESS INC | | | SCAC3 |
| 12 | RAXR | RAY EXPRESS INC | | | SCAC3 |
| 13 | RAXRA | RAXELL RAIL S.A. | | E | TRAFFIC |
| 14 | RAXS | RAYMOND EXPRESS INTERNATIONAL | | | SCAC3 |
| 15 | RAXS | RAYMOND EXPRESS INTERNATIONAL | | | SCAC4 |
| 16 | RAXT | R A TRANSPORT | | | SCAC4 |
