| 7301 | RRLT | ROMRELL TRUCKING INC | SCAC3 | ||
| 7302 | RRLT | ROAD RUNNER LOGISTICS INC | SCAC4 | ||
| 7303 | RRLU | RABANCO COMPANIES | SCAC4 | ||
| 7304 | RRLV | RIVER RUN LOGISITICS | SCAC4 | ||
| 7305 | RRLX | Rail Logistics, LC | added 10/2004; 7/2005 | NAKINA | |
| 7306 | RRLX | *RAILROAD RESOURCES INC. | PWRC | ||
| 7307 | RRLX | +RAIL LOGISTICS, LC | PWRC | ||
| 7308 | RRLX | Railroad Resources | RSRV | ||
| 7309 | RRLX | RAIL LOGISTICS LC | SCAC4 | ||
| 7310 | RRLY | ROBERTSON RACING LLC | SCAC4 | ||
| 7311 | RRM | Acvila Air-Romanian Carrier | ICAO1 | ||
| 7312 | RRMC | R & R MOTOR COACH INC | SCAC3 | ||
| 7313 | RRMC | ROMAN, R TRANSPORT INC | SCAC4 | ||
| 7314 | RRMH | R & R MOBILE HOME TRANSPORT | SCAC3 | ||
| 7315 | RRMI | RROYCE MOVERS INC | SCAC3 | ||
| 7316 | RRMQ | RRM TRANSPORTATION INCORPORATED | SCAC4 | ||
| 7317 | RRMR | RODRIMAR INTERNATIONAL FREIGHT INC | SCAC4 | ||
| 7318 | RRMS | ROADRUNNER MOVING & STORAGE | SCAC4 | ||
| 7319 | RRMT | ROAD RUNNER MOBILE HOME TRANSPORT | SCAC3 | ||
| 7320 | RRMT | RYDING REGENCY MEAT PAKCERS LTD | SCAC4 | ||
| 7321 | RRMU | REMAIN GMBH CONTAINER-DEPOT AND REP | SCAC4 | ||
| 7322 | RRMX | RRM Properties Ltd., a California Limited Partnership | 7/2005 (not listed) | NAKINA | |
| 7323 | RRMX | RRM PROPERTIES LTD., CALIFORNIA LP | PWRC | ||
| 7324 | RRMX | RRM Properties | RSRV | ||
| 7325 | RRMX | RRM PROPERTIES LTD A CALIFORNIA LIM | SCAC4 | ||
| 7326 | RRNB | ROADRUNNER BUS LINES INC | SCAC3 | ||
| 7327 | RRND | ROAD RUNNER DRIVEAWAY LLC | SCAC4 | ||
| 7328 | RRNE | RIDGE RUNNER EXPRESS | SCAC3 | ||
| 7329 | RRNI | RANEY & RANEY INC | SCAC3 | ||
| 7330 | RRNL | RNL RENTAL NETWORK LTD | SCAC4 | ||
| 7331 | RRNN | ROAD RUNNER TRANSPORTATION INC | SCAC4 | ||
| 7332 | RRNP | ROAD RUNNER TRANSPORTATION LLC | SCAC4 | ||
| 7333 | RRNT | ROADRUNNER TRANSPORTATION INC | SCAC3 | ||
| 7334 | RRNT | R & R TRANSPORTATIONINC | SCAC4 | ||
| 7335 | RROA | RIGEL REEDEREI GMBH & CO KG | SCAC4 | ||
| 7336 | RROB | RICE, ROBERT | SCAC4 | ||
| 7337 | RROD | RAMROD MOVING AND STORAGE | SCAC3 | ||
| 7338 | RROG | RODRIGUEZ, GILBERTO ROSA TRANSPORT | SCAC3 | ||
| 7339 | RROK | R R O TRUCKING CO | SCAC4 | ||
| 7340 | RROL | RAILROLL INC | SCAC3 | ||
| 7341 | RROX | RROX, LTD. | PWRC | ||
| 7342 | RROX | RROX LTD | SCAC4 | ||
| 7343 | RROY | RENNER, ROY TRUCKING | SCAC3 | ||
| 7344 | RROY | Rolls Royce | TRAFFIC | ||
| 7345 | RRP | *RAILROAD PASSENGER CAR SERVICE | PWRC | ||
| 7346 | RRP | *RETIRED 05-15-92 ATP (0938) | PWRC | ||
| 7347 | RRP | Railroad Passenger Cars Service | USA | TRAFFIC | |
| 7348 | RRPC | R & R TRANSPORT INC | SCAC3 | ||
| 7349 | RRPD | RANSOM, ROBERT PRODUCE | SCAC3 | ||
| 7350 | RRPD | R & R PICK-UP & | SCAC4 | ||
| 7351 | RRPG | R & R PACKAGING INC | SCAC4 | ||
| 7352 | RRPI | R & R PHILLIPS TRUCKING | SCAC3 | ||
| 7353 | RRPI | ROY, RICK PRODUCTS INC | SCAC4 | ||
| 7354 | RRPJ | R & R PLASTIC INJECTION CONSULTANTS | SCAC4 | ||
| 7355 | RRPL | R & R PLUS INC | SCAC4 | ||
| 7356 | RRPN | R & R TRANSPORTATION INC | SCAC3 | ||
| 7357 | RRPO | R & R PALLET OF GARDEN CITY INC | SCAC4 | ||
| 7358 | RRPQ | R & R PRODUCE INC | SCAC4 | ||
| 7359 | RRPR | RAYMOND ENTERPRISES SA | SCAC4 | ||
| 7360 | RRPT | R & R TRANSPORTATION | SCAC3 | ||
| 7361 | RRPT | R & R TRANSPORTATION INC | SCAC4 | ||
| 7362 | RRPX | RR Power Leasing LLC | added 10/2003; eliminated 1/2004; 7/2005 (not listed) | NAKINA | |
| 7363 | RRPX | Ranger Refining & Pipe Line Co. | 8/1920-7/1923 | NAKINA | |
| 7364 | RRPX | *RANGER REFINING & PIPE LINE CO. | PWRC | ||
| 7365 | RRPX | +RR POWER LEASING LLC | PWRC | ||
| 7366 | RRPX | Railroad Power Leasing | RSRV | ||
| 7367 | RRPX | RR POWER LEASING LLC | SCAC4 | ||
| 7368 | RRPX | Rail Road Power Leasing | USA | TRAFFIC | |
| 7369 | RRPY | RIOUX, RUDY P | SCAC4 | ||
| 7370 | RRQC | RED RIVER LOGISTICS LLC | SCAC4 | ||
| 7371 | RRQS | R & R LOGISTIC SERVICE LLC | SCAC4 | ||
| 7372 | RRR | Royal Air Force | ICAO1 | ||
| 7373 | RRRA | REGION RAIL REORG ACT (1973) TARIFF | SCAC3 | ||
| 7374 | RRRC | RAIL ROAD RUNNER CONTAINER | SCAC4 | ||
| 7375 | RRRE | RRR RECYCLING SERVICES HAWAII | SCAC4 | ||
| 7376 | RRRF | R & R REFRIGERATED TRANSPORT | SCAC3 | ||
| 7377 | RRRG | REMORQUAGE REAL GRAND MAISON | SCAC4 | ||
| 7378 | RRRI | R & R TRUCKING | SCAC4 | ||
| 7379 | RRRK | R & R TRANSPORTATION INC | SCAC4 | ||
| 7380 | RRRO | RAINBOW MOVERS INC | SCAC4 | ||
| 7381 | RRRP | RRR TRANSPORTATION INC | SCAC3 | ||
| 7382 | RRRP | RRR TRANSPORTATION INC | SCAC4 | ||
| 7383 | RRRR | Rock & Rail, Inc. | 7/2000-7/2005 | NAKINA | |
| 7384 | RRRR | Rock & Rail, Inc. | Jul-00 | NRHS | |
| 7385 | RRRR | ROCK & RAIL INCORPORATED | PWRC | ||
| 7386 | RRRR | Rock & Rail Inc. | RSRV | ||
| 7387 | RRRR | ROCK & RAIL INC | SCAC4 | ||
| 7388 | RRRR | Rock & Rail, Inc. | USA | TRAFFIC | |
| 7389 | RRRS | ROCK REMOVAL RESOURCES TRANSPORT LL | SCAC4 | ||
| 7390 | RRRT | RAVAGNIE, RAYMOND R TRUCKING | SCAC3 | ||
| 7391 | RRRT | R R R LOGISTICS LLC | SCAC4 | ||
| 7392 | RRRU | R-CONTAINER IMPORT AS | SCAC4 | ||
| 7393 | RRRX | Rex Leasing, Inc. | added 1/1993; 1/1994-7/2005 | NAKINA | |
| 7394 | RRRX | General Electric Railcar Services Corp. | added 10/1992; eliminated 1/1993 | NAKINA | |
| 7395 | RRRX | Itel Rail Corp. | eliminated 10/1992 | NAKINA | |
| 7396 | RRRX | Rex Leasing, Inc. (transferred to Itel Rail Corp.) | added 10/1988 | NAKINA | |
| 7397 | RRRX | Rex Leasing, Inc. | added 7/1980; eliminated 1/1987; added 7/1987; eliminated 10/1988 | NAKINA | |
| 7398 | RRRX | Red River Refining Co., Inc. | 8/1920-7/1923 | NAKINA | |
| 7399 | RRRX | Rex Leasing, Inc. | added 7/80; eliminated 1/87; added 7/87; eliminated 10/88 | NRHS | |
| 7400 | RRRX | Rex Leasing, Inc. (transferred to Itel Rail Corp.) | added 10/88 | NRHS |