| 7201 | RREX | General Electric Rail Services Corp. | added 1/2000; 7/2000 | NRHS | |
| 7202 | RREX | *REX RAILWAYS INC. | PWRC | ||
| 7203 | RREX | +(NATX) GENERAL ELECTRIC RAIL SERVICES CORPORATION [ITEL RAIL CORP.] | PWRC | ||
| 7204 | RREX | Rex Railway | RSRV | ||
| 7205 | RREX | GENERAL ELECTRIC RAILCAR SERVICES C | SCAC4 | ||
| 7206 | RRF | Royal Air Force | ICAO1 | ||
| 7207 | RRF | Rotterdam Rail Feeding | Rotterdam Rail Feeding is a company providing shunting and hauling services to third parties. | NL | TRAFFIC |
| 7208 | RRF | Rotterdam Rail Feeding | NL | VKM | |
| 7209 | RRFA | REMORQUAGE R F A INC | SCAC4 | ||
| 7210 | RRFB | RED RIVER FARMS | SCAC4 | ||
| 7211 | RRFC | R & R FREIGHT SERVICE LLC | SCAC4 | ||
| 7212 | RRFE | RANGER REFRIGERATER EXPRESS INC | SCAC3 | ||
| 7213 | RRFE | RANGER REFRIGERATED EXPRESS INC | SCAC4 | ||
| 7214 | RRFI | R & R FERTILIZER INC | SCAC3 | ||
| 7215 | RRFI | R & R TRANSPORT | SCAC4 | ||
| 7216 | RRFM | RIDDLE & RIDDLE FARMS, INC | SCAC3 | ||
| 7217 | RRFN | R & R FREIGHT LINES LLC | SCAC4 | ||
| 7218 | RRFP | R & R FARM TRANSPORT | SCAC4 | ||
| 7219 | RRFQ | RICHMONDS REFRIGERATED TRUCKING CO | SCAC3 | ||
| 7220 | RRFQ | R & R FARMS | SCAC4 | ||
| 7221 | RRFS | ROAD RUNNERS FREIGHT SYSTEM INCORPO | SCAC3 | ||
| 7222 | RRFT | RIPPEL, RICHARD FARMING & TRUCKING | SCAC4 | ||
| 7223 | RRFW | R & R FREIGHTWAYS | SCAC3 | ||
| 7224 | RRFZ | (CSXT) RETIRED 04-06-93 ATP | PWRC | ||
| 7225 | RRGA | RO RO PARTNERS LTDC/O INTERORIENT N | SCAC4 | ||
| 7226 | RRGB | RIGEL REEDEREI GMBH & CO KG | SCAC4 | ||
| 7227 | RRGD | ROAD RANGER TRANSPORT LTD | SCAC4 | ||
| 7228 | RRGE | RIGEL REEDEREI GMBH & CO KG | SCAC4 | ||
| 7229 | RRGG | RIGEL REEDEREI GMBH & CO KG | SCAC4 | ||
| 7230 | RRGH | RIGEL REEDEREI GMBH & CO KG | SCAC4 | ||
| 7231 | RRGM | RIGEL BEREEDERUNGS GMBH & CO KG MT | SCAC4 | ||
| 7232 | RRGN | RIGEL REEDEREI GMBH & CO KG | SCAC4 | ||
| 7233 | RRGS | RIGEL REEDEREI GMBH & CO KG | SCAC4 | ||
| 7234 | RRGT | R & R TRUCKING | SCAC3 | ||
| 7235 | RRGV | RIGEL REEDEREI GMBH & CO KG | SCAC4 | ||
| 7236 | RRGW | RIGEL REEDEREI GMBH & CO KG MT WOLG | SCAC4 | ||
| 7237 | RRGX | Ranger Refining & Pipe Line Co. | 7/1923 | NAKINA | |
| 7238 | RRGX | RANGER REFINING & PIPE LINE CO. | PWRC | ||
| 7239 | RRGZ | (REAZ) RETIRED 04-06-93 ATP (ACI 2345) | PWRC | ||
| 7240 | RRHC | RENTRITE HAULAGE CORP | SCAC3 | ||
| 7241 | RRHH | R & R HEAVY HAUL | SCAC4 | ||
| 7242 | RRHI | ROBERTS, RANDY HAULING INC | SCAC4 | ||
| 7243 | RRHS | ROAD RUNNER HOTSHOT | SCAC3 | ||
| 7244 | RRI | Rhenus rail St.Ingbert GmbH | DE | VKM | |
| 7245 | RRIA | REGAL RIDGE | SCAC4 | ||
| 7246 | RRIC | ROBERTS, ROGER A INC | SCAC3 | ||
| 7247 | RRIF | RU RAN INC | SCAC4 | ||
| 7248 | RRII | RED RIVER INTERMODAL INC | SCAC3 | ||
| 7249 | RRII | RED RIVER INTERMODAL LLC | SCAC4 | ||
| 7250 | RRIL | ROLLS RIGHT INDUSTRIES LTD | SCAC3 | ||
| 7251 | RRIL | ROLLS RIGHT INDUSTRIES LTD | SCAC4 | ||
| 7252 | RRIN | R & R INVESTMENT CORP | SCAC3 | ||
| 7253 | RRIN | R-R INTERNATIONAL TRANSPORT LLC | SCAC4 | ||
| 7254 | RRIQ | REFRIGERANT RECYCLING INC | SCAC4 | ||
| 7255 | RRIU | Triton Containers | RSRV | ||
| 7256 | RRIU | TRITON CONTAINER INTERNATIONAL INC | SCAC4 | ||
| 7257 | RRIV | RED RIVER TRANSPORT OF COLORADO INC | SCAC3 | ||
| 7258 | RRIX | Rader Railcar II, Inc. | 7/2000-7/2005 (not listed) | NAKINA | |
| 7259 | RRIX | Rader Railcar II, Inc. | Jul-00 | NRHS | |
| 7260 | RRIX | RADER RAILCAR II INC. | PWRC | ||
| 7261 | RRIX | Rader Railcar | RSRV | ||
| 7262 | RRIX | RADER RAILCAR II INC | SCAC4 | ||
| 7263 | RRIY | R R I COMMODITY INC | SCAC4 | ||
| 7264 | RRJD | ROBERT, ROLAND J DISTRIBUTOR INC | SCAC4 | ||
| 7265 | RRJK | RRJ TRUCKING INC | SCAC4 | ||
| 7266 | RRJN | RIVERA ROJAS, JUAN | SCAC4 | ||
| 7267 | RRJO | RAMIRO, RIOS JASSO | SCAC4 | ||
| 7268 | RRJT | RUBEL, R J TRUCKING | SCAC3 | ||
| 7269 | RRKA | RACER TRUCKING | SCAC4 | ||
| 7270 | RRKC | RUSHTRUCKING INC | SCAC3 | ||
| 7271 | RRKC | RANGE RIDER TRUCK CANOPIES | SCAC4 | ||
| 7272 | RRKD | ROUND ROBIN TRUCKING INC | SCAC4 | ||
| 7273 | RRKG | RHODES TRUCKING INC | SCAC3 | ||
| 7274 | RRKI | ROGERS & ROGERS TRUCKING CO | SCAC4 | ||
| 7275 | RRKL | RUSHON, R TRUCKING LP | SCAC4 | ||
| 7276 | RRKN | R & R TRUCKING | SCAC3 | ||
| 7277 | RRKN | R & R TRUCKING INC | SCAC4 | ||
| 7278 | RRKQ | RODERICK, F J & SON INC | SCAC3 | ||
| 7279 | RRKQ | RANGERACK INC | SCAC4 | ||
| 7280 | RRKT | RUSSELL, R K TRANSPORTATION LTD | SCAC4 | ||
| 7281 | RRKW | R & R TRUCKING CORPORATION | SCAC3 | ||
| 7282 | RRKW | R RELIABLE TRUCKING LLC | SCAC4 | ||
| 7283 | RRKY | R & R TRUCKING COMPANY | SCAC3 | ||
| 7284 | RRL | Rolls-Royce Limited | ICAO1 | ||
| 7285 | RRL | Rhenus Rail Logistics GmbH | Duisburg | D | privat-bahn.de |
| 7286 | RRL | Rail Release GmbH | NL | VKM | |
| 7287 | RRLA | RADIUS RAIL LOGISTICS LLC | SCAC4 | ||
| 7288 | RRLC | ROAD AND RAIL TRANSPORT INCORPORATE | SCAC4 | ||
| 7289 | RRLD | RITARA LIMITED | SCAC3 | ||
| 7290 | RRLE | ROADRUNNER LEDFOOT EXPRESS INC | SCAC3 | ||
| 7291 | RRLF | RITTER, R L FUEL INC | SCAC4 | ||
| 7292 | RRLG | ROADRUNNER LEASING INC | SCAC3 | ||
| 7293 | RRLH | ROLLING RIVER LIVE HAULING INC | SCAC4 | ||
| 7294 | RRLI | R & R LIMOUSINE INC | SCAC3 | ||
| 7295 | RRLO | R & R LOGGING INC | SCAC3 | ||
| 7296 | RRLQ | ROYAL ROSE LOGISTICS INC | SCAC4 | ||
| 7297 | RRLR | RAMSEY, RAYMOND LEROY | SCAC3 | ||
| 7298 | RRLR | R & R LOGISTICS INC | SCAC4 | ||
| 7299 | RRLR | Regiorail SAS | FR | VKM | |
| 7300 | RRLS | ROSSITER RELOCATION SERVICES INC | SCAC4 |