| 1301 | RBV | Air Roberval | | | ICAO1 |
| 1302 | RBVA | RED BALL VAN & STORAGE OF GEORGIA | | | SCAC3 |
| 1303 | RBVC | RELIABLE SERVICES INC | | | SCAC3 |
| 1304 | RBVI | RED BALL VAN & STORAGE INC | | | SCAC3 |
| 1305 | RBVN | RED BALL VAN & STORAGE OF CALIFORNI | | | SCAC3 |
| 1306 | RBVQ | ROBIN VAN & STG INC | | | SCAC3 |
| 1307 | RBVS | RBA TRANSPORTATION SERVICES INC | | | SCAC4 |
| 1308 | RBVW | RED BALL VAN & STORAGE OF WASHINGTO | | | SCAC3 |
| 1309 | RBW | Shandong Airlines Rainbow Jet Co. Ltd. | Callsign: Cai Hong, | PRC | AVCODES |
| 1310 | RBW | Shandong Airlines Rainbow Jet | | | ICAO1 |
| 1311 | RBW | Burlington Northern R.R. Co. | eliminated 4/1995 | | NAKINA |
| 1312 | RBW | Burlington Northern Express Co. | 1/1994 | | NAKINA |
| 1313 | RBW | Burlington Northern R.R. Co. | added 7/1981 | | NAKINA |
| 1314 | RBW | Burlington Northern Inc. | added 10/1975; 1/1980; eliminated 7/1981 | | NAKINA |
| 1315 | RBW | Burlington Northern Inc. | 1/80; eliminated 7/81 | | NRHS |
| 1316 | RBW | Burlington Northern R.R. Co. | added 7/81 | | NRHS |
| 1317 | RBW | Burlington Northern Express Co. | Jan-94 | | NRHS |
| 1318 | RBW | Burlington Northern R.R. Co. | eliminated 4/95 | | NRHS |
| 1319 | RBW | BURLINGTON NORTHERN RAILROAD CO | | | PWRC |
| 1320 | RBW | BNSF Railway | | | RSRV |
| 1321 | RBWA | RAINBOW CARRIERS INC | | | SCAC3 |
| 1322 | RBWA | ROBINSON, WM STABLES INC | | | SCAC4 |
| 1323 | RBWB | RBW LOGISTICS CO INC | | | SCAC4 |
| 1324 | RBWC | RBW LOGISTICS CORP | | | SCAC4 |
| 1325 | RBWD | RAINBOW TRANSPORT LTD | | | SCAC4 |
| 1326 | RBWH | RALEIGH BONDED WAREHOUSE INC | | | SCAC3 |
| 1327 | RBWI | RAINBOW TRANSPORT INC | | | SCAC3 |
| 1328 | RBWK | RAINBOW TRUCKING | | | SCAC3 |
| 1329 | RBWL | ROBERTS, WALTER L | | | SCAC3 |
| 1330 | RBWL | RAINBOW TRAILERS INC | | | SCAC4 |
| 1331 | RBWM | RAINBOW MESSENGER SERVICE, INC | | | SCAC3 |
| 1332 | RBWN | R B W INC | | | SCAC3 |
| 1333 | RBWN | R B W INC | | | SCAC4 |
| 1334 | RBWO | RAINBOW TRANSPORTATION INC | | | SCAC4 |
| 1335 | RBWP | RAINBOW TRANSPORTATION SERVICES INC | | | SCAC3 |
| 1336 | RBWR | ROBINSON, C H WORLDWIDE (RAILCAR DI | | | SCAC4 |
| 1337 | RBWS | RAINBOW SHIPMANAGEME | | | SCAC4 |
| 1338 | RBWT | ROBERTSON-WILLIAMS TRANSPORT INC | | | SCAC3 |
| 1339 | RBWV | RBW LOGISTICS TRANSPORTATION LLC | | | SCAC4 |
| 1340 | RBWX | Western Fruit Express Co. | added 10/1955; 10/1957-1/1980; eliminated 1/1981 | | NAKINA |
| 1341 | RBWX | Western Fruit Express Co. | 10/57-1/80; eliminated 1/81 | | NRHS |
| 1342 | RBWX | WESTERN FRUIT EXPRESS CO. | | | PWRC |
| 1343 | RBWX | Western Fruit Express | | | RSRV |
| 1344 | RBX | ArubaExel | Callsign: Aruba, Ceased operations | ARU | AVCODES |
| 1345 | RBX | Arubaexel | | | ICAO1 |
| 1346 | RBX | RINGLING BROTHERS, BARNUM & BAILEY CIRCUS | | | PWRC |
| 1347 | RBXA | RED BARN TRANSPORTATION INC | | | SCAC4 |
| 1348 | RBXC | TRANS DIV ASSIGNMENT - BOX CAR POOLING | | | PWRC |
| 1349 | RBXE | ROBERTS EXPRESS OIL | | | SCAC4 |
| 1350 | RBXG | ROBERTS TRANSPORT INC | | | SCAC4 |
| 1351 | RBXI | RED BARON EXPRESS INC | | | SCAC3 |
| 1352 | RBXN | RED BIRD EXPRESS INC | | | SCAC3 |
| 1353 | RBXN | ROBINSON TRANSPORT INC | | | SCAC4 |
| 1354 | RBXO | ROBCO TRANSPORTATION CORP | | | SCAC4 |
| 1355 | RBXP | RELIABLE EXPRESS TRUCKING CO | | | SCAC4 |
| 1356 | RBXQ | R-B EXPRESS INC | | | SCAC3 |
| 1357 | RBXR | ROBERTS X-PRESS CARRIERS (DIV OF H | | | SCAC3 |
| 1358 | RBXS | RELIABLE EXPRESS SERVICE INC | | | SCAC3 |
| 1359 | RBXS | RBX SA DE CV | | | SCAC4 |
| 1360 | RBXU | RABANCO COMPANIES | | | SCAC4 |
| 1361 | RBY | Vision Airlines, Inc. d/b/a Vision Air | IATA: V2, Callsign: Ruby, | USA | AVCODES |
| 1362 | RBY | Vision Airlines, Inc. d/b/a Vision Air | Callsign: Ruby, AOC suspended on 13 March 2017. Designator V2* recalled by IATA. Schedule services ceased w.e.f. 22 September 2015. | USA | AVCODES |
| 1363 | RBY | Vision Airlines | | | ICAO1 |
| 1364 | RBYC | RUBY SHIPPING LIMITED | | | SCAC3 |
| 1365 | RBYE | RUBY EXPRESS INC | | | SCAC4 |
| 1366 | RBYG | RUBY T TRUCKING | | | SCAC4 |
| 1367 | RBYH | ROBY HOTSHOT TRANSPORTATION INC | | | SCAC4 |
| 1368 | RBYR | RUBY TRANSPORTATION CORP | | | SCAC3 |
| 1369 | RBYS | RUBY, TERRY S INC | | | SCAC3 |
| 1370 | RBYT | ROBYN TRANSPORT INC | | | SCAC3 |
| 1371 | RBYT | RUBY TRUCK LINE INC | | | SCAC4 |
| 1372 | RBZM | REFRIGERADOS BERZAM | | | SCAC4 |
| 1373 | RC | Atlantic Airways Faroe Islands | ICAO: FLI, Callsign: Faroeline, IATA Prefix: 767, | FR | AVCODES |
| 1374 | RC | Republic Airlines | ICAO: REP, Merged into Northwest Airlines | USA | AVCODES |
| 1375 | RC | Royal Air Cambodge | Designator RU recalled by IATA | K | AVCODES |
| 1376 | RC | Rosslyn Connecting R.R. Co. | 1/1975-1/1980 | | NAKINA |
| 1377 | RC | Rosslyn Connecting R.R. Co. | 1/75-1/80 | | NRHS |
| 1378 | RC | CONSOLIDATED RAIL CORP. [ROSSLYN CONNECTING RR.] | | | PWRC |
| 1379 | RC | Rosslyn Connecting Railroad | | | RSRV |
| 1380 | RC | Regional Connect | | AUS | TRAFFIC |
| 1381 | RC | Rail Contact GmbH | | DE | VKM |
| 1382 | RCA | Richland Aviation | Callsign: Richland, | USA | AVCODES |
| 1383 | RCA | Richland Aviation | | | ICAO1 |
| 1384 | RCA | Rail Cargo Austria | | A | TRAFFIC |
| 1385 | RCAB | RAILCAB INC | | | SCAC3 |
| 1386 | RCAC | RCA TRUCKING | | | SCAC4 |
| 1387 | RCAF | R C TRUCK BROKERAGE LLC | | | SCAC4 |
| 1388 | RCAF | Royal Canadian Air Force | | CDN | TRAFFIC |
| 1389 | RCAI | ROSE CITY APPLIANCE INSTALLATION | | | SCAC3 |
| 1390 | RCAM | ROCHESTER ARMORED CAR CO | | | SCAC3 |
| 1391 | RCAN | RALCAN HOLDING INC | | | SCAC4 |
| 1392 | RCAP | RI-CAR TRANSPORTATION CO INC | | | SCAC3 |
| 1393 | RCAR | RICAL CONTAINER LINE LTD | | | SCAC4 |
| 1394 | RCAS | ROTA-CARRUS CORPORATION | | | SCAC3 |
| 1395 | RCAT | ROCKETLINE CARRIER SERVICES LLC | | | SCAC4 |
| 1396 | RCAV | RCS LOGISTICS | | | SCAC4 |
| 1397 | RCAY | RUTHERFORD COUNTY TRANSPORT | | | SCAC4 |
| 1398 | RCB | Real Aero Club de Baleares | Callsign: Baleares, | E | AVCODES |
| 1399 | RCB | Real Aero Club De Baleares | | | ICAO1 |
| 1400 | RCB | Rail Cargo Berlin GmbH | Berlin | D | privat-bahn.de |
