| 1 | RDW | Valair AG (Helicoptere) | Callsign: Roadwatch, | CH | AVCODES |
| 2 | RDW | Valair AG (Helicoptere) | | | ICAO1 |
| 3 | RDWA | ROADWAY TRANSPORT LIMITED | | | SCAC3 |
| 4 | RDWA | ROADWAY EXPRESS (NOW KNOWN AS YRC I | | | SCAC4 |
| 5 | RDWB | RD WIRE LINE SERVICE CORP | | | SCAC3 |
| 6 | RDWE | ROADWAY EXPRESS LTD | | | SCAC3 |
| 7 | RDWE | ROADWAY EXPRESS LTD | | | SCAC4 |
| 8 | RDWF | ROADWOLF EXPRESS INC | | | SCAC3 |
| 9 | RDWG | RED WING EXPRESS LLC | | | SCAC4 |
| 10 | RDWI | REDDEKOPP, DWAIN | | | SCAC3 |
| 11 | RDWI | REDDEKOPP, DWAIN | | | SCAC4 |
| 12 | RDWK | ROAD WEST TRUCKING CORPORATION | | | SCAC4 |
| 13 | RDWL | RED OWL STORES | | | SCAC3 |
| 14 | RDWO | REDWOOD CONSTRUCTION CO INC | | | SCAC3 |
| 15 | RDWQ | ROADWAY TRANSPORT | | | SCAC4 |
| 16 | RDWR | ROADRUNNER WRECKERS INC | | | SCAC3 |
| 17 | RDWR | ROADWARE GROUP INC | | | SCAC4 |
| 18 | RDWS | ROADWAY EXPRESS INC (SPECIAL COMMOD | | | SCAC3 |
| 19 | RDWT | RED & WHITE INC | | | SCAC3 |
| 20 | RDWT | R & D WELDING & | | | SCAC4 |
| 21 | RDWY | ROADWAY EXPRESS, INC. | | | PWRC |
| 22 | RDWY | Roadway Express | | | SCAC2 |
| 23 | RDWY | ROADWAY EXPRESS, INC | | | SCAC3 |
| 24 | RDWY | ROADWAY EXPRESS INC (NOW KNOWN AS Y | | | SCAC4 |
| 25 | RDWZ | ROADWAY EXPRESS, INC. | | | PWRC |
| 26 | RDWZ | Roadway Express | | | RSRV |
| 27 | RDWZ | ROADWAY EXPRESS, INC. | | | SCAC4 |
