| 1 | RDN | Dinar Lineas Aereas, S.A. | IATA: D7, Callsign: Aero Dinar, IATA Prefix: 429, Ceased operations on 30 September 2002. | RA | AVCODES |
| 2 | RDN | Red Barn Operations | Callsign: Red Barn, | USA | AVCODES |
| 3 | RDN | Dinar | IATA: D7 | | ICAO1 |
| 4 | RDNA | RICHARDSON AUTO TRANSIT | | | SCAC3 |
| 5 | RDNA | RODAN TRANSPORTATION | | | SCAC4 |
| 6 | RDNB | REDLINE TRANSPORTATION | | | SCAC4 |
| 7 | RDNC | RODON AMARANDON SPECIAL MARITIME EN | | | SCAC4 |
| 8 | RDND | ROADRUNNER DELIVERY INC | | | SCAC4 |
| 9 | RDNE | RUSSELL DRAYAGE & EXPRESS | | | SCAC3 |
| 10 | RDNE | RAIDIN EXPRESS | | | SCAC4 |
| 11 | RDNI | RIEDLINGER INC | | | SCAC3 |
| 12 | RDNJ | RADNEY, J R | | | SCAC3 |
| 13 | RDNK | RICHARDSON TRUCKING INC | | | SCAC3 |
| 14 | RDNK | REDNECK EXPRESS INC | | | SCAC4 |
| 15 | RDNL | ROADRUNNER LEASING INC | | | SCAC3 |
| 16 | RDNL | RAPIDOS DE NUEVO LAREDO S A DE C V | | | SCAC4 |
| 17 | RDNM | ROYAL DESIGN & MANUFACTURING INC | | | SCAC3 |
| 18 | RDNN | ROADRUNNER TOWING & RECOVERY INC | | | SCAC3 |
| 19 | RDNP | RED D TRANSPORT | | | SCAC4 |
| 20 | RDNQ | RODDEN CO | | | SCAC3 |
| 21 | RDNR | REYNOLDS, DANNY & ROGER TRUCKING IN | | | SCAC3 |
| 22 | RDNS | RADEN, G & SONS INC | | | SCAC3 |
| 23 | RDNT | RARDEN, JOE TRUCKING | | | SCAC3 |
| 24 | RDNT | ROADNET LOGISTICS INC | | | SCAC4 |
| 25 | RDNV | RADIAN SERVICES | | | SCAC4 |
| 26 | RDNY | RICHARDS, DENNY | | | SCAC3 |
