| 401 | RDRR | ROUND, RON TRUCKING INC | | | SCAC3 |
| 402 | RDRS | RETAIL DELIVERY SERVICE INC | | | SCAC3 |
| 403 | RDRS | RETAIL DELIVERY SERVICE INC | | | SCAC4 |
| 404 | RDRT | RDS TRANSPORT INC | | | SCAC4 |
| 405 | RDRU | ROEDER CARTAGE CO INC | | USA | BIC |
| 406 | RDRU | Roeder Cartage Co | | | RSRV |
| 407 | RDRU | ROEDER CARTAGE CO INC | | | SCAC4 |
| 408 | RDRV | RODA RENTAL INC | | | SCAC3 |
| 409 | RDRV | REED TRANSPORT SERVICES INC | | | SCAC4 |
| 410 | RDRW | ROADRUNNERS | | | SCAC3 |
| 411 | RDRW | RAINDRAINS INC | | | SCAC4 |
| 412 | RDRY | RICARD, RENE | | | SCAC4 |
| 413 | RDS | Rhoades Aviation, Inc. d/b/a transair | IATA: T4, Callsign: Rhoades Express, Operates transair Boeing 737 fleet. | USA | AVCODES |
| 414 | RDS | Rhoades Aviation | | | ICAO1 |
| 415 | RDS | RICHARDS LIMOUSINE SERVICE LTD | | | SCAC4 |
| 416 | RDSA | RED STAR OIL CO INC | | | SCAC4 |
| 417 | RDSB | R D & S TRANSPORTATION | | | SCAC3 |
| 418 | RDSB | REEDS | | | SCAC4 |
| 419 | RDSC | RELIABLE DELIVERY SERVICE | | | PWRC |
| 420 | RDSC | RAPID DELIVERY SERVICE CO INC | | | SCAC3 |
| 421 | RDSC | ROAD STAR CARRIER INC | | | SCAC4 |
| 422 | RDSD | R D S DELIVERY SERVICE INC | | | SCAC3 |
| 423 | RDSF | ROBSON, DALE & SONS INC | | | SCAC3 |
| 424 | RDSG | RDS TRANSPORTATION LLC | | | SCAC4 |
| 425 | RDSH | REEDS SHUTTLE SERVICE | | | SCAC3 |
| 426 | RDSH | RED SHELL | | | SCAC4 |
| 427 | RDSI | REDS EXPRESS INC | | | SCAC3 |
| 428 | RDSI | RDS | | | SCAC4 |
| 429 | RDSL | RADAR SHIPPING LIMITED | | | SCAC3 |
| 430 | RDSL | RELIABLE DELIVERY SERVICE INC | | | SCAC4 |
| 431 | RDSM | RAPID DELIVERY SERVICE | | | SCAC3 |
| 432 | RDSN | ROD & SON INC | | | SCAC3 |
| 433 | RDSN | ROWLANDS SALES CO INC | | | SCAC4 |
| 434 | RDSO | RODS OIL COMPANY | | | SCAC3 |
| 435 | RDSP | RICHARDSON EXPRESS | | | SCAC3 |
| 436 | RDSQ | ROADRUNNERS DELIVERY SERVICE | | | SCAC3 |
| 437 | RDSQ | RICHARDSONS DISPATCH SERVICES INC | | | SCAC4 |
| 438 | RDSR | RED STAR TRUC-KING COMPANY | | | SCAC3 |
| 439 | RDSS | RAIL DELIVERY SERVICES | | | SCAC3 |
| 440 | RDST | R D S TRUCKING CO, INC | | | SCAC3 |
| 441 | RDST | RIEDSTRA & SONS CHINCHILLA | | | SCAC4 |
| 442 | RDSU | RDS SHIPPING LTD | | GB | BIC |
| 443 | RDSW | ROAD SHOWS INC | | | SCAC3 |
| 444 | RDSW | RED STAR TRUCKING INC | | | SCAC4 |
| 445 | RDSX | REDSTONE LEASING CORP. | | | PWRC |
| 446 | RDSX | REDSTONE LEASING CORP | | | SCAC4 |
| 447 | RDSY | RED SYSTEMS INC | | | SCAC3 |
| 448 | RDSY | RANCHO DAISYS SA DE CV | | | SCAC4 |
| 449 | RDSZ | *CSX TRANSPORTATION, INC. | | | PWRC |
| 450 | RDSZ | *R. R. DONNELLY & SONS, CO. | | | PWRC |
| 451 | RDSZ | R.R. Donnelly & Sons (CSX Transportation) | | | RSRV |
| 452 | RDSZ | CSX TRANSPORTATION | | | SCAC4 |
| 453 | RDT | REGIE DEPARTEMENTALE DES TRANSPORTS DES BOUCHES DU RHONE(RDT13 ) | | FR | VKM |
| 454 | RDTB | R & D TRUCKING INC | | | SCAC3 |
| 455 | RDTB | RUDKO, DON TRAINING STABLES LTD | | | SCAC4 |
| 456 | RDTC | RIDDLE TRUCKING COMPANY | | | SCAC3 |
| 457 | RDTC | ROADWAY EXPRESS INC (NOW KNOWN AS Y | | | SCAC4 |
| 458 | RDTD | REDS TRUCKING CO INC | | | SCAC3 |
| 459 | RDTD | RED DIRT ROAD INC | | | SCAC4 |
| 460 | RDTE | ROAD TRANSPORTATION & EQUIPMENT | | | SCAC3 |
| 461 | RDTE | RILL, DEAN TRUCKING | | | SCAC4 |
| 462 | RDTF | ROADTEX TRANSPORTATION CORP | | | SCAC4 |
| 463 | RDTG | ROD TRUCKING | | | SCAC3 |
| 464 | RDTG | REDMOND & DISHMOND TRUCKING INC | | | SCAC4 |
| 465 | RDTH | RODRIGUES TRUCKING | | | SCAC3 |
| 466 | RDTH | REAL DEEL TRUCKING INC | | | SCAC4 |
| 467 | RDTI | REDS TRANSFER & STORAGE INC | | | SCAC3 |
| 468 | RDTI | REDTAIL LOGISTICS INC | | | SCAC4 |
| 469 | RDTK | RODS TRUCKING | | | SCAC3 |
| 470 | RDTL | ROADTEK TRUCKLINES INC | | | SCAC4 |
| 471 | RDTM | ROD TRUCKING | | | SCAC3 |
| 472 | RDTM | RDT TRANSPORTATION | | | SCAC4 |
| 473 | RDTN | ROD TRANSPORT INC | | | SCAC3 |
| 474 | RDTN | RED DOT TRANSPORTATION | | | SCAC4 |
| 475 | RDTO | RICHARD, DONALD TRANSPORTATION CO I | | | SCAC3 |
| 476 | RDTO | RODENTPRO | | | SCAC4 |
| 477 | RDTP | R-D TRANSPORT CO INC | | | SCAC3 |
| 478 | RDTP | RADIAN TRANSPORT | | | SCAC4 |
| 479 | RDTQ | REID TRUCKING | | | SCAC3 |
| 480 | RDTQ | READY TRUCKING INC | | | SCAC4 |
| 481 | RDTR | R & D TRUCKING | | | SCAC3 |
| 482 | RDTR | ROAD TRANS LLC | | | SCAC4 |
| 483 | RDTS | REDMAN TRANSPORTATION INC | | | SCAC4 |
| 484 | RDTT | Red Deer Transit | | CDN | TRAFFIC |
| 485 | RDTV | RODE TRUCKING | | | SCAC3 |
| 486 | RDTV | R & D TRANSPORTATION LLC | | | SCAC4 |
| 487 | RDTW | R & D TRANSPORTATION INC | | | SCAC3 |
| 488 | RDTW | R D TRANSPORTATION | | | SCAC4 |
| 489 | RDTY | REDDINGER, TERRY R INC | | | SCAC3 |
| 490 | RDTY | RAD TORQUE SYSTEMS | | | SCAC4 |
| 491 | RDTZ | (GTW) RETIRED 04-06-93 ATP (ACI 2552) | | | PWRC |
| 492 | RDUG | R & D TRUCKING | | | SCAC3 |
| 493 | RDUI | ROCHESTER DISTRIBUTION UNLIMITED IN | | | SCAC3 |
| 494 | RDUI | ROCHESTER DISTRIBUTION UNLIMITED IN | | | SCAC4 |
| 495 | RDUK | RED TRUCKING | | | SCAC3 |
| 496 | RDUL | REDMOND HEAVY HAULING | | | SCAC3 |
| 497 | RDUL | REDMOND HEAVY HAULING INC | | | SCAC4 |
| 498 | RDUM | RESIDUAL MATERIALS INC | | | SCAC3 |
| 499 | RDUM | RESIDUAL MATERIALS INC | | | SCAC4 |
| 500 | RDUN | ROADRUNNER EXPRESS | | | SCAC3 |
