| 5301 | RMAY | REMINGTON MOVING AND STORAGE | SCAC4 | ||
| 5302 | RMB | Routemaster Buses Ltd. | GB | TRAFFIC | |
| 5303 | RMBA | RUMBA SHIPPING LIMITED | SCAC3 | ||
| 5304 | RMBA | RMT TRANSPORT LLC | SCAC4 | ||
| 5305 | RMBC | RAMSDE | SCAC4 | ||
| 5306 | RMBC | RMB Club | USA | TRAFFIC | |
| 5307 | RMBD | RAMBAUD INTERNATIONAL | SCAC3 | ||
| 5308 | RMBD | RELIABLE METAL BUILDINGS LTD | SCAC4 | ||
| 5309 | RMBE | R M B ENTERPRISES INC | SCAC4 | ||
| 5310 | RMBF | RMB OILFIELD SERVICES | SCAC4 | ||
| 5311 | RMBH | ROSIE MOBILE HOME TOWING INC | SCAC3 | ||
| 5312 | RMBI | R & M LOGISTICS LLC | SCAC4 | ||
| 5313 | RMBK | RUMBLE TRUCKING & LOGISTICS INC | SCAC4 | ||
| 5314 | RMBL | RAMIREZ, BLANCA E | SCAC4 | ||
| 5315 | RMBM | RA ELLS MOBILE MOVING | SCAC3 | ||
| 5316 | RMBN | RAMBONE TRUCKING CO INC | SCAC3 | ||
| 5317 | RMBN | RMF SOLUTIONS | SCAC4 | ||
| 5318 | RMBO | RAMBO REEFER SERVICES | SCAC3 | ||
| 5319 | RMBP | ROCKY MOUNTAIN BRAKE SUPPLY INC | SCAC4 | ||
| 5320 | RMBQ | RMB CORP | SCAC3 | ||
| 5321 | RMBR | RAMBLER TRUCKING INC | SCAC3 | ||
| 5322 | RMBS | REINER BROS INC | SCAC3 | ||
| 5323 | RMBS | RMB SHIPPING BV | SCAC4 | ||
| 5324 | RMBT | ROMNEY, BUCK TRUCKING | SCAC3 | ||
| 5325 | RMBT | ROMNEY, BUCK TRUCKING | SCAC4 | ||
| 5326 | RMBX | American Refrigerator Transit Co. | added 7/1962; 7/1965-4/1970; eliminated 4/1972 | NAKINA | |
| 5327 | RMBX | American Refrigerator Transit Co. | 7/65-4/70; eliminated 4/72 | NRHS | |
| 5328 | RMBX | AMERICAN REFRIGERATOR TRANSIT CO. | PWRC | ||
| 5329 | RMCB | RICCOBENE MASONRY CO INC | SCAC4 | ||
| 5330 | RMCC | R M C CORPORATION | SCAC3 | ||
| 5331 | RMCC | RM CLASSIC CARS | SCAC4 | ||
| 5332 | RMCD | ROMARCO CORPORATION | SCAC3 | ||
| 5333 | RMCD | RMC TRANSPORTATION INC | SCAC4 | ||
| 5334 | RMCF | ROCKY MOUNTAIN CONTRACTORS INC | SCAC4 | ||
| 5335 | RMCG | RICHE, MAURICE G | SCAC3 | ||
| 5336 | RMCG | REMLINGER MANUFACTURING CO INC | SCAC4 | ||
| 5337 | RMCH | RAMCO TRUCKING INC | SCAC3 | ||
| 5338 | RMCH | RM: Regionalverkehr Mittelland AG | Real: RM | CH | TRAFFIC |
| 5339 | RMCI | RAIL MARINE CONTAINER TRANSPORT INC | SCAC3 | ||
| 5340 | RMCL | RAMOS, CARLOS TRUCKING INC | SCAC3 | ||
| 5341 | RMCM | R M C TRUCKING INC | SCAC3 | ||
| 5342 | RMCM | RMC INC | SCAC4 | ||
| 5343 | RMCO | RMC TRANSPORTATION INC | SCAC3 | ||
| 5344 | RMCP | RAMCO TRUCKING INC | SCAC3 | ||
| 5345 | RMCQ | R M CARTAGE INC | SCAC3 | ||
| 5346 | RMCR | REMCO TRANSPORTATION CO INC | SCAC3 | ||
| 5347 | RMCS | RIMARC TRANSPORTATION INC | SCAC4 | ||
| 5348 | RMCU | RMC (TRANCOLEASING) LTD. | PWRC | ||
| 5349 | RMCU | RMC Trancoleasing | RSRV | ||
| 5350 | RMCU | REYNOLDS METALS COMPANY | SCAC3 | ||
| 5351 | RMCU | MULTISTAR LEASING LIMITED | SCAC4 | ||
| 5352 | RMCW | RICHWOOD MEAT COMPANY | SCAC4 | ||
| 5353 | RMCX | Aluminum Co. of America | added 1/2009 | NAKINA | |
| 5354 | RMCX | Reynolds Metals Co. | added 4/1969; 4/1970-7/2005; eliminated 10/2006; added 7/2007; eliminated 1/2009 | NAKINA | |
| 5355 | RMCX | Reade Manufacturing Co., Inc. | 7/1954 (not listed); added 7/1955; 10/1957-4/1961; eliminated 10/1964 | NAKINA | |
| 5356 | RMCX | Reid, Murdoch, a Division of Consolidated Grocers Corp. | 4/1947-1/1950 | NAKINA | |
| 5357 | RMCX | Reid, Murdoch & Co. | 7/1935-1/1946 | NAKINA | |
| 5358 | RMCX | Reid, Murdoch & Co. | Apr-38 | NRHS | |
| 5359 | RMCX | Reade Manufacturing Co., Inc. | added 7/55; 10/57-4/61 | NRHS | |
| 5360 | RMCX | Reynolds Metals Co. | added 4/69; 4/70-7/2000 | NRHS | |
| 5361 | RMCX | *REID, MURDOCH, DIV. CONSOLIDATED GROCERS CORP. | PWRC | ||
| 5362 | RMCX | *READE MANUFACTURING CO., INC. | PWRC | ||
| 5363 | RMCX | +REYNOLDS METALS COMPANY | PWRC | ||
| 5364 | RMCX | Reynolds Metals | RSRV | ||
| 5365 | RMCX | REYNOLDS METALS COMPANY | SCAC3 | ||
| 5366 | RMCY | REAL MCCOY COACH LINES, THE | SCAC3 | ||
| 5367 | RMCZ | *(REAZ) RETIRED 04-06-93 ATP (ACI 2356) | PWRC | ||
| 5368 | RMCZ | *RINKER MATERIALS CORP. | PWRC | ||
| 5369 | RMD | Air Amder | ICAO1 | ||
| 5370 | RMDC | RMDC TRUCKING LLC | SCAC4 | ||
| 5371 | RMDF | RM LOGISTIC | SCAC4 | ||
| 5372 | RMDL | RAMSDELL TRUCKING COMPANY | SCAC3 | ||
| 5373 | RMDQ | RETAIL MERCHANTS DELIVERY | SCAC3 | ||
| 5374 | RMDQ | R AND M FREIGHT INC | SCAC4 | ||
| 5375 | RMDS | REFRIGERADOS MARIA DEL CARMEN MORAL | SCAC4 | ||
| 5376 | RMDW | REIMUND, WERNER | SCAC4 | ||
| 5377 | RMDX | American Refrigerator Transit Co. | added 7/1962; 7/1965-4/1970; eliminated 4/1974; 1/1975-1/1980; added 7/1982; 1/1994-7/2005; eliminated 1/2010 | NAKINA | |
| 5378 | RMDX | American Refrigerator Transit Co. | 7/65-4/70; eliminated 4/74; 1/75-1/80; added 7/82; 1/94-7/2000 | NRHS | |
| 5379 | RMDX | (MLCX) AMERICAN REFRIGERATOR TRANSIT CO. | PWRC | ||
| 5380 | RMDX | American Refrigerator Transit | RSRV | ||
| 5381 | RMDX | AMERICAN REFRIGERATOR TRANSIT CO. | SCAC4 | ||
| 5382 | RMDY | REMEDY EXPRESS INC | SCAC4 | ||
| 5383 | RME | Armenian Airlines | IATA: R3 | ICAO1 | |
| 5384 | RME | Röbel/Müritz Eisenbahn GmbH | Röbel | D | privat-bahn.de |
| 5385 | RME | Röbel/Müritz Eisenbahn GmbH | DE | VKM | |
| 5386 | RMEA | RAME AUTOTRANSPORTES SA DE CV | SCAC4 | ||
| 5387 | RMEC | RME TRANSPORTATION CO INC | SCAC3 | ||
| 5388 | RMEE | ROME EXPRESS INC | SCAC3 | ||
| 5389 | RMEF | ROMEO FORWARDERS INC | SCAC3 | ||
| 5390 | RMEH | ROMANS ELECTRIC INC | SCAC4 | ||
| 5391 | RMEI | R M E INC | SCAC3 | ||
| 5392 | RMEN | RED MAPLE ENTERPRISES INC | SCAC4 | ||
| 5393 | RMEO | ROMEO EXPEDITORS INC | SCAC3 | ||
| 5394 | RMEO | ROMEO EXPEDITORS INC | SCAC4 | ||
| 5395 | RMEP | REYMAR ENTERPRISE LLC | SCAC4 | ||
| 5396 | RMEQ | READY MACHINERY & EQUIPMENT (CANADA | SCAC4 | ||
| 5397 | RMER | RISELING MOTOR EXPRESS INC | SCAC4 | ||
| 5398 | RMES | REMINES, WM JR | SCAC3 | ||
| 5399 | RMES | R & M | SCAC4 | ||
| 5400 | RMET | R M E TRANSPORT, INC | SCAC3 |