| 4401 | RIDG | RIDGE EXPRESS CO INC | | | SCAC3 |
| 4402 | RIDI | RITROVATO TRUCKING | | | SCAC4 |
| 4403 | RIDK | RIDINGS TRUCKING | | | SCAC4 |
| 4404 | RIDM | RIDER MARINE S A | | | SCAC4 |
| 4405 | RIDN | RIDDERMAN & SONS OIL CO INC | | | SCAC4 |
| 4406 | RIDO | RICHERSON INC | | | SCAC3 |
| 4407 | RIDP | RINEER TRANSPORT SERVICES LLC | | | SCAC4 |
| 4408 | RIDS | RICKS DELIVERY SERVICE INC | | | SCAC3 |
| 4409 | RIDS | REV-IT DELIVERS INC | | | SCAC4 |
| 4410 | RIDT | RICHMOND TRANSPORT, INC | | | SCAC3 |
| 4411 | RIDV | RENVAN INDUSTRIAL DELIVERY | | | SCAC3 |
| 4412 | RIDV | UAB Ridvija | | LT | TRAFFIC |
| 4413 | RIDW | RITE-WAY DELIVERY INC | | | SCAC3 |
| 4414 | RIDY | RIDEWAY TRANSPORT INC | | | SCAC4 |
| 4415 | RIE | Ariella S.A. | Callsign: Ariel, | BF | AVCODES |
| 4416 | RIEA | RIETER, ALBERT | | | SCAC3 |
| 4417 | RIEC | RIEGEL TEXTILE CORP | | | SCAC3 |
| 4418 | RIEG | RIEGER TRUCK LINE | | | SCAC3 |
| 4419 | RIEI | RIEDEL INTERNATIONAL INC | | | SCAC3 |
| 4420 | RIEI | RICHARDS ENTERPRISES INC | | | SCAC4 |
| 4421 | RIEK | RON RICK HOLDINGS LTD | | | SCAC4 |
| 4422 | RIEM | RIEMER, J F, CO, INC | | | SCAC3 |
| 4423 | RIEM | RIEMER, J F, CO, INC | | | SCAC4 |
| 4424 | RIEN | RIENZI & SONS INC | | | SCAC4 |
| 4425 | RIEP | RILEYS, F EXPRESS INC | | | SCAC3 |
| 4426 | RIES | RIEDSTRA TRANSPORT LTD | | | SCAC4 |
| 4427 | RIET | RICCELLI ENTERPRISES INC | | | SCAC4 |
| 4428 | RIEU | OOSTERHOUT CONTAINER TERMINAL | | NL | BIC |
| 4429 | RIF | Aviation Ministry of the Interior of the Russian Federation | Callsign: Intermin Avia, Name changed to Federal Service of the National Guard Troops of The Russian Federation. | RUS | AVCODES |
| 4430 | RIF | Federal Service of the National Guard Troops of The Russian Federation | Callsign: Intermin Avia, Name changed from Aviation Ministry of the Interior of the Russian Federation. | RUS | AVCODES |
| 4431 | RIF | Aviation Ministry of the Interior of the Russian F | | | ICAO1 |
| 4432 | RIF | RIFEST R-S, sdružení podnikatelů | | CZ | VKM |
| 4433 | RIFA | RAF INTERNATIONAL FORWARDING PHILS | | | SCAC4 |
| 4434 | RIFB | RICH, F B & SONS, INC | | | SCAC3 |
| 4435 | RIFE | RIFE, EVERETT R | | | SCAC3 |
| 4436 | RIFH | RIFFEL, HARVEY TRANSPORT | | | SCAC3 |
| 4437 | RIFI | RICHARDS, FREDERICK INC | | | SCAC3 |
| 4438 | RIFM | RIVER FRONT METAL CORP | | | SCAC3 |
| 4439 | RIFM | R I | | | SCAC4 |
| 4440 | RIFP | RIFE TRANSPORT LLC | | | SCAC4 |
| 4441 | RIFQ | RIGHTER FREIGHT LINES | | | SCAC3 |
| 4442 | RIFR | RIVERSIDE TRUCKING CO | | | SCAC3 |
| 4443 | RIFS | RICES FEED SERVICE INC | | | SCAC3 |
| 4444 | RIFS | ROLAND INTERNATIONAL FREIGHT SERVIC | | | SCAC4 |
| 4445 | RIFT | RISING FAST TRUCKING CO INC | | | SCAC3 |
| 4446 | RIFW | RICHARD FORWARDING COMPANY | | | SCAC3 |
| 4447 | RIG | Riga Airlines | IATA: GV, Callsign: Riga Liner, IATA Prefix: 248, Designator GV recalled by IATA | LV | AVCODES |
| 4448 | RIG | Riga Airlines | Callsign: Riga Liner, Designator GV recalled by IATA | LV | AVCODES |
| 4449 | RIG | Chicago, Rock Island & Gulf Ry. | 8/1920-7/1954 | | NAKINA |
| 4450 | RIG | Chicago, Rock Island & Texas R.R. (Chicago, Rock Island & Gulf Ry.) | 8/1920-7/1923 | | NAKINA |
| 4451 | RIG | Chicago, Rock Island & Mexico R.R. (Chicago, Rock Island & Gulf Ry.) | 8/1920-7/1923 | | NAKINA |
| 4452 | RIG | Chicago, Rock Island & Mexico R.R. (Chicago, Rock Island & Gulf Ry.) | 23-Jul | | NRHS |
| 4453 | RIG | Chicago, Rock Island & Texas R.R. (Chicago, Rock Island & Gulf Ry.) | 23-Jul | | NRHS |
| 4454 | RIG | Chicago, Rock Island & Gulf Ry. | 7/23-1/52 | | NRHS |
| 4455 | RIG | CHICAGO, ROCK ISLAND & GULF RWY. [CHICAGO, ROCK ISLAND & TEXAS RR; CHICAGO, ROCK ISLAND & MEXICO RR] | | | PWRC |
| 4456 | RIGA | Rīgas Satiksme | City: Riga | LV | TRAFFIC |
| 4457 | RIGC | RIGEL SHIPPING CANADA INC | | | SCAC4 |
| 4458 | RIGD | RIGHT-NOW DELIVERY | | | SCAC3 |
| 4459 | RIGE | RIDGLEY COACH CORPORATION | | | SCAC3 |
| 4460 | RIGF | RIGEL SCHIFFAHRTS GMBH & CO KG | | | SCAC4 |
| 4461 | RIGH | RIGGERS INC | | | SCAC3 |
| 4462 | RIGH | RIGGERS INC | | | SCAC4 |
| 4463 | RIGI | ROMAR INTERNATIONAL GEORGIA INC | | | SCAC3 |
| 4464 | RIGJ | RIGOS, JOHN J MARINE ENTERPRISES SA | | | SCAC4 |
| 4465 | RIGL | RIGEL SHIPMANAGEMENT LTD MALTA | | | SCAC3 |
| 4466 | RIGL | RIGAR LOGISTICS INC | | | SCAC4 |
| 4467 | RIGM | RIGG MOONEY MONUMENTS INC | | | SCAC4 |
| 4468 | RIGN | RIGGINS TRUCKING INC | | | SCAC3 |
| 4469 | RIGN | R I G CLASSIC TRANSPORTATION | | | SCAC4 |
| 4470 | RIGO | RIGGS OIL COMPANY INC | | | SCAC4 |
| 4471 | RIGQ | RIGAUD TRANSPORT INC | | | SCAC3 |
| 4472 | RIGR | RIGGS & ROSS | | | SCAC3 |
| 4473 | RIGR | RIGER TRUCK TRANSPORTATION INC | | | SCAC4 |
| 4474 | RIGS | RIGGS FOOD EXPRESS, INC | | | SCAC3 |
| 4475 | RIGT | RIEGER TRUCK LINE | | | SCAC3 |
| 4476 | RIGT | RIGA TRANSPORT FLEET | | | SCAC4 |
| 4477 | RIGU | CARGOSTORE WORLDWIDE TRADING LIMITED | | GB | BIC |
| 4478 | RIGV | RIG MOVERS, INC | | | SCAC3 |
| 4479 | RIGW | RIDGEWOOD INC | | | SCAC3 |
| 4480 | RIGY | RIDGEWAY TRANSPORT CORP | | | SCAC3 |
| 4481 | RIH | Rahila Air | IATA: RI, Callsign: Rahila, | LAR | AVCODES |
| 4482 | RIHC | RICHARDS, CHET TRUCKING | | | SCAC3 |
| 4483 | RIHG | RICHARD HAULING, INC | | | SCAC3 |
| 4484 | RIHG | RHENUS FREIGHT LOGISTICS GMBH & CO | | | SCAC4 |
| 4485 | RIHI | RICH-HIL TRANSPORTATION INC | | | SCAC3 |
| 4486 | RIHM | RICHARDS MOVING & HAULING CO | | | SCAC3 |
| 4487 | RIHO | RICHMOND TERMINAL & TRANSFER CO INC | | | SCAC3 |
| 4488 | RIHQ | RICH, LEONARD C | | | SCAC3 |
| 4489 | RIHS | RICH'S EXPRESS, INC | | | SCAC3 |
| 4490 | RIHS | RICHS EXPRESS INC | | | SCAC4 |
| 4491 | RIHT | RICHARDS TOWING SERVICE | | | SCAC3 |
| 4492 | RIHU | FRUCTA C R S A | | | SCAC4 |
| 4493 | RII | Tica Air International (Air Costa Rica) | IATA: RI, Callsign: Tica, Subsidiary of Air Panama. Designator RI recalled by IATA. | CR | AVCODES |
| 4494 | RIIC | RICHTER INTERSTATE CARRIERS, INC | | | SCAC3 |
| 4495 | RIIC | ROUSE INDUSTRIES INC | | | SCAC4 |
| 4496 | RIIL | R2R INTERMODAL INC | | | SCAC4 |
| 4497 | RIIN | RALCO INDUSTRIES INC | | | SCAC3 |
| 4498 | RIIQ | RIISER OIL CO | | | SCAC3 |
| 4499 | RIIS | RIISE SHIPPING INC | | | SCAC3 |
| 4500 | RIIS | RIISE SHIPPING INC | | | SCAC4 |
