| 2401 | RDSQ | ROADRUNNERS DELIVERY SERVICE | | | SCAC3 |
| 2402 | RDSQ | RICHARDSONS DISPATCH SERVICES INC | | | SCAC4 |
| 2403 | RDSR | RED STAR TRUC-KING COMPANY | | | SCAC3 |
| 2404 | RDSS | RAIL DELIVERY SERVICES | | | SCAC3 |
| 2405 | RDST | R D S TRUCKING CO, INC | | | SCAC3 |
| 2406 | RDST | RIEDSTRA & SONS CHINCHILLA | | | SCAC4 |
| 2407 | RDSU | RDS SHIPPING LTD | | GB | BIC |
| 2408 | RDSW | ROAD SHOWS INC | | | SCAC3 |
| 2409 | RDSW | RED STAR TRUCKING INC | | | SCAC4 |
| 2410 | RDSX | REDSTONE LEASING CORP. | | | PWRC |
| 2411 | RDSX | REDSTONE LEASING CORP | | | SCAC4 |
| 2412 | RDSY | RED SYSTEMS INC | | | SCAC3 |
| 2413 | RDSY | RANCHO DAISYS SA DE CV | | | SCAC4 |
| 2414 | RDSZ | *CSX TRANSPORTATION, INC. | | | PWRC |
| 2415 | RDSZ | *R. R. DONNELLY & SONS, CO. | | | PWRC |
| 2416 | RDSZ | R.R. Donnelly & Sons (CSX Transportation) | | | RSRV |
| 2417 | RDSZ | CSX TRANSPORTATION | | | SCAC4 |
| 2418 | RDT | REGIE DEPARTEMENTALE DES TRANSPORTS DES BOUCHES DU RHONE(RDT13 ) | | FR | VKM |
| 2419 | RDTB | R & D TRUCKING INC | | | SCAC3 |
| 2420 | RDTB | RUDKO, DON TRAINING STABLES LTD | | | SCAC4 |
| 2421 | RDTC | RIDDLE TRUCKING COMPANY | | | SCAC3 |
| 2422 | RDTC | ROADWAY EXPRESS INC (NOW KNOWN AS Y | | | SCAC4 |
| 2423 | RDTD | REDS TRUCKING CO INC | | | SCAC3 |
| 2424 | RDTD | RED DIRT ROAD INC | | | SCAC4 |
| 2425 | RDTE | ROAD TRANSPORTATION & EQUIPMENT | | | SCAC3 |
| 2426 | RDTE | RILL, DEAN TRUCKING | | | SCAC4 |
| 2427 | RDTF | ROADTEX TRANSPORTATION CORP | | | SCAC4 |
| 2428 | RDTG | ROD TRUCKING | | | SCAC3 |
| 2429 | RDTG | REDMOND & DISHMOND TRUCKING INC | | | SCAC4 |
| 2430 | RDTH | RODRIGUES TRUCKING | | | SCAC3 |
| 2431 | RDTH | REAL DEEL TRUCKING INC | | | SCAC4 |
| 2432 | RDTI | REDS TRANSFER & STORAGE INC | | | SCAC3 |
| 2433 | RDTI | REDTAIL LOGISTICS INC | | | SCAC4 |
| 2434 | RDTK | RODS TRUCKING | | | SCAC3 |
| 2435 | RDTL | ROADTEK TRUCKLINES INC | | | SCAC4 |
| 2436 | RDTM | ROD TRUCKING | | | SCAC3 |
| 2437 | RDTM | RDT TRANSPORTATION | | | SCAC4 |
| 2438 | RDTN | ROD TRANSPORT INC | | | SCAC3 |
| 2439 | RDTN | RED DOT TRANSPORTATION | | | SCAC4 |
| 2440 | RDTO | RICHARD, DONALD TRANSPORTATION CO I | | | SCAC3 |
| 2441 | RDTO | RODENTPRO | | | SCAC4 |
| 2442 | RDTP | R-D TRANSPORT CO INC | | | SCAC3 |
| 2443 | RDTP | RADIAN TRANSPORT | | | SCAC4 |
| 2444 | RDTQ | REID TRUCKING | | | SCAC3 |
| 2445 | RDTQ | READY TRUCKING INC | | | SCAC4 |
| 2446 | RDTR | R & D TRUCKING | | | SCAC3 |
| 2447 | RDTR | ROAD TRANS LLC | | | SCAC4 |
| 2448 | RDTS | REDMAN TRANSPORTATION INC | | | SCAC4 |
| 2449 | RDTT | Red Deer Transit | | CDN | TRAFFIC |
| 2450 | RDTV | RODE TRUCKING | | | SCAC3 |
| 2451 | RDTV | R & D TRANSPORTATION LLC | | | SCAC4 |
| 2452 | RDTW | R & D TRANSPORTATION INC | | | SCAC3 |
| 2453 | RDTW | R D TRANSPORTATION | | | SCAC4 |
| 2454 | RDTY | REDDINGER, TERRY R INC | | | SCAC3 |
| 2455 | RDTY | RAD TORQUE SYSTEMS | | | SCAC4 |
| 2456 | RDTZ | (GTW) RETIRED 04-06-93 ATP (ACI 2552) | | | PWRC |
| 2457 | RDUG | R & D TRUCKING | | | SCAC3 |
| 2458 | RDUI | ROCHESTER DISTRIBUTION UNLIMITED IN | | | SCAC3 |
| 2459 | RDUI | ROCHESTER DISTRIBUTION UNLIMITED IN | | | SCAC4 |
| 2460 | RDUK | RED TRUCKING | | | SCAC3 |
| 2461 | RDUL | REDMOND HEAVY HAULING | | | SCAC3 |
| 2462 | RDUL | REDMOND HEAVY HAULING INC | | | SCAC4 |
| 2463 | RDUM | RESIDUAL MATERIALS INC | | | SCAC3 |
| 2464 | RDUM | RESIDUAL MATERIALS INC | | | SCAC4 |
| 2465 | RDUN | ROADRUNNER EXPRESS | | | SCAC3 |
| 2466 | RDUN | READE, DUANE | | | SCAC4 |
| 2467 | RDUZ | ROTOR DUMP | | | PWRC |
| 2468 | RDV | Rea Sea Aviation | Callsign: Red Aviation, | ET | AVCODES |
| 2469 | RDV | Red Sea Aviation | | | ICAO1 |
| 2470 | RDVA | RIEDEL, DAVID A TRUCKING | | | SCAC3 |
| 2471 | RDVB | RED INTERNACIONAL DE TRANSPORTE SA | | | SCAC4 |
| 2472 | RDVC | ROSS DELIVERY CORPORATION INC | | | SCAC3 |
| 2473 | RDVE | REDVAL EXPRESS INC | | | SCAC4 |
| 2474 | RDVG | ROCHE, DAVID TRUCKING | | | SCAC4 |
| 2475 | RDVH | RISHEL DIVISION (HON INDUSTRIES) | | | SCAC3 |
| 2476 | RDVI | R DELIVERY INC | | | SCAC4 |
| 2477 | RDVL | RANKIN, DAVE LIVESTOCK TRANSPORTATI | | | SCAC3 |
| 2478 | RDVQ | REDLANDS VAN & STORAGE CO | | | SCAC3 |
| 2479 | RDVR | ROSE DELIVERY SERVICE | | | SCAC3 |
| 2480 | RDVR | RODRIGUEZ VEGA, MIREYA | | | SCAC4 |
| 2481 | RDVT | R D V TRUCKING INC | | | SCAC3 |
| 2482 | RDVW | RAYBEN DENIZCILIK VE TIC A S | | | SCAC4 |
| 2483 | RDVY | RAPID DELIVERY | | | SCAC3 |
| 2484 | RDVY | RAPID DELIVERY | | | SCAC4 |
| 2485 | RDW | Valair AG (Helicoptere) | Callsign: Roadwatch, | CH | AVCODES |
| 2486 | RDW | Valair AG (Helicoptere) | | | ICAO1 |
| 2487 | RDWA | ROADWAY TRANSPORT LIMITED | | | SCAC3 |
| 2488 | RDWA | ROADWAY EXPRESS (NOW KNOWN AS YRC I | | | SCAC4 |
| 2489 | RDWB | RD WIRE LINE SERVICE CORP | | | SCAC3 |
| 2490 | RDWE | ROADWAY EXPRESS LTD | | | SCAC3 |
| 2491 | RDWE | ROADWAY EXPRESS LTD | | | SCAC4 |
| 2492 | RDWF | ROADWOLF EXPRESS INC | | | SCAC3 |
| 2493 | RDWG | RED WING EXPRESS LLC | | | SCAC4 |
| 2494 | RDWI | REDDEKOPP, DWAIN | | | SCAC3 |
| 2495 | RDWI | REDDEKOPP, DWAIN | | | SCAC4 |
| 2496 | RDWK | ROAD WEST TRUCKING CORPORATION | | | SCAC4 |
| 2497 | RDWL | RED OWL STORES | | | SCAC3 |
| 2498 | RDWO | REDWOOD CONSTRUCTION CO INC | | | SCAC3 |
| 2499 | RDWQ | ROADWAY TRANSPORT | | | SCAC4 |
| 2500 | RDWR | ROADRUNNER WRECKERS INC | | | SCAC3 |
