| 301 | RAIT | RAI TRUCKING | | | SCAC4 |
| 302 | RAIU | RAINBOW CONTAINERS GMBH | | D | BIC |
| 303 | RAIU | RAIL SERVICES, INC. | | | SCAC3 |
| 304 | RAIU | RAINBOW CONTAINERS GMBH | | | SCAC4 |
| 305 | RAIV | RAISIN VALLEY INC | | | SCAC3 |
| 306 | RAIW | RAINWATER TRUCKING CO, INC | | | SCAC3 |
| 307 | RAIX | Union Carbide Corp., a Subsidiary of The Dow Chemical Co. U.S.A. | 7/2005 | | NAKINA |
| 308 | RAIX | Union Carbide Corp. | added 1/1995; added 4/1995; 7/2000 | | NAKINA |
| 309 | RAIX | Union Carbide Corp. | added 5/1983; eliminated 1/1993 | | NAKINA |
| 310 | RAIX | Union Carbide Chemicals and Plastics Co., Inc. | added 1/1993; 1/1994; eliminated 1/1995; eliminated 4/1995 | | NAKINA |
| 311 | RAIX | Union Carbide Corp., Chemicals and Plastics Division | added 10/1981; eliminated 5/1983 | | NAKINA |
| 312 | RAIX | United States Leasing International, Inc. | added 7/1970; 1/1975-1/1980; eliminated 10/1981 | | NAKINA |
| 313 | RAIX | United States Leasing International, Inc. | added 7/70; 1/75-1/80; eliminated 10/81 | | NRHS |
| 314 | RAIX | Union Carbide Corp., Chemicals and Plastics Division | added 10/81; eliminated 5/83 | | NRHS |
| 315 | RAIX | Union Carbide Corp. | added 5/83; eliminated 1/93 | | NRHS |
| 316 | RAIX | Union Carbide Chemicals and Plastics Co., Inc. | added 1/93; 1/94; eliminated 1/95; eliminated 4/95 | | NRHS |
| 317 | RAIX | Union Carbide Corp. | added 1/95; added 4/95; 7/2000 | | NRHS |
| 318 | RAIX | *UNITED STATES LEASING INTERNATIONAL, INC. | | | PWRC |
| 319 | RAIX | *RAILTRAN | | | PWRC |
| 320 | RAIX | +(UCFX) UNION CARBIDE CORP., SUBSIDIARY OF DOW CHEMICAL CO. USA | | | PWRC |
| 321 | RAIX | Union Carbide | | | RSRV |
| 322 | RAIX | UNION CARBIDE CORPORATION (A SUBSID | | | SCAC4 |
| 323 | RAJ | Raji Airlines | Callsign: Raji, | PK | AVCODES |
| 324 | RAJ | Raji Airlines | | | ICAO1 |
| 325 | RAJ | Rønne - Allinge Jernbane (Allingebanen) | 1913 - 1934 | DK | jernbanen.dk |
| 326 | RAJA | RAIMUNDI, JOSE A TRANSPORT | | | SCAC3 |
| 327 | RAJA | RAJA TRANSPORT INC | | | SCAC4 |
| 328 | RAJB | R & J BLUM COB PROCESSOR INC | | | SCAC3 |
| 329 | RAJB | RAJBAR, VICTOR | | | SCAC4 |
| 330 | RAJC | R & J COOK TRUCKING INC | | | SCAC3 |
| 331 | RAJC | RAMIREZ AMES, JUAN M AND CARLOS FER | | | SCAC4 |
| 332 | RAJF | RAMIREZ AMAYA, JUAN ALFREDO | | | SCAC4 |
| 333 | RAJH | RAY, JOHN TRUCKING INC | | | SCAC3 |
| 334 | RAJH | RAJ PURA | | | SCAC4 |
| 335 | RAJL | R & J LEASING CO INC | | | SCAC3 |
| 336 | RAJN | RODRIGUEZ ALVARADO, JUAN GABRIEL | | | SCAC4 |
| 337 | RAJO | RAYS LOCAL CARTAGE | | | SCAC3 |
| 338 | RAJO | RAJ TRANSPORT LTD | | | SCAC4 |
| 339 | RAJR | RAJOR INC | | | SCAC3 |
| 340 | RAJR | RAJOR INC | | | SCAC4 |
| 341 | RAJS | R & J SALVAGE | | | SCAC3 |
| 342 | RAJS | RAJA MOVING SERVICE | | | SCAC4 |
| 343 | RAJT | R & J TRANSPORT INC | | | SCAC3 |
| 344 | RAJU | BLUE BERKHS SHIPPING PRIVATE LIMITED | | IND | BIC |
| 345 | RAJU | SAR CONTAINER LINE LTD | | | SCAC4 |
| 346 | RAJV | RAYS TRANSPORTATION | | | SCAC3 |
| 347 | RAJX | Rail Logix Alamo Junction | | | RSRV |
| 348 | RAK | Riga Airclub (Latvian Professional Air Sport Center) | Callsign: Sport Club, | LV | AVCODES |
| 349 | RAK | Riga Airclub | | | ICAO1 |
| 350 | RAKC | RAINFORTH & KELLY INC | | | SCAC3 |
| 351 | RAKC | RARA TRUCKING INC | | | SCAC4 |
| 352 | RAKE | RAKER HYDRAULICS AND MACHINE SHOP | | | SCAC4 |
| 353 | RAKG | RAYS TRUCKING INC | | | SCAC3 |
| 354 | RAKM | RAY, KIM TRUCKING | | | SCAC3 |
| 355 | RAKN | RANKIN MOVING CO | | | SCAC3 |
| 356 | RAKN | RAKKAR TRANSPORT | | | SCAC4 |
| 357 | RAKS | RAGGED ASS TRUCKING & SALVAGE LTD | | | SCAC4 |
| 358 | RAKT | RAK TRANSPORTATION INC | | | SCAC4 |
| 359 | RAKW | RASTALL, K W OIL CO | | | SCAC4 |
| 360 | RAL | Roswell Airlines | Callsign: Roswell, | USA | AVCODES |
| 361 | RAL | Roswell Airlines | | | ICAO1 |
| 362 | RAL | RED ARROW LINE | | | PWRC |
| 363 | RAL | Rent-a-Lok GbR | | DE | VKM |
| 364 | RALA | R A LEASING INC | | | SCAC3 |
| 365 | RALD | RANDALL DISTRIBUTING INC | | | SCAC3 |
| 366 | RALD | R & L DEVELOPMENT COMPANY | | | SCAC4 |
| 367 | RALE | RAY-LEE TRANSPORTATION INC | | | SCAC3 |
| 368 | RALF | RALEIGH FURNITURE STORAGE CO INC | | | SCAC3 |
| 369 | RALG | RAVAN LEASING | | | SCAC3 |
| 370 | RALI | RAIL LINK TRUCKING CO INC | | | SCAC3 |
| 371 | RALJ | RAYL, J INC | | | SCAC4 |
| 372 | RALM | RALCO INC | | | SCAC3 |
| 373 | RALM | RAIDER LTD | | | SCAC4 |
| 374 | RALN | RALEIGH LINES INCORPORATED | | | SCAC3 |
| 375 | RALO | ROLLS AROUND TOWN LIMOUSINE | | | SCAC3 |
| 376 | RALP | RANDOLPHS INC | | | SCAC3 |
| 377 | RALP | RANDOLPHS INC | | | SCAC4 |
| 378 | RALP | RegionAlps | | CH | TRAFFIC |
| 379 | RALP | Ralpin AG | | CH | VKM |
| 380 | RALPIN | RAlpin AG | | CH | TRAFFIC |
| 381 | RALQ | RANDALL TRUCKING & LEASING INC | | | SCAC3 |
| 382 | RALR | RTA AUTOMOTIVE LTD | | | SCAC4 |
| 383 | RALS | RALSTON, WILLIAM P | | | SCAC3 |
| 384 | RALS | RALSTONS COURIER | | | SCAC4 |
| 385 | RALT | R & L TRUCKING CO INC | | | SCAC3 |
| 386 | RALT | R & L TRUCKING CO INC | | | SCAC4 |
| 387 | RALU | ROYAL ARCTIC LINE A/S | | GRO | BIC |
| 388 | RALU | ROYAL ARCTIC LINE A/S | | | SCAC4 |
| 389 | RALV | RA-LY TRANSPORTS LLC | | | SCAC4 |
| 390 | RALW | RALL & LEEDS WAREHOUSE | | | SCAC3 |
| 391 | RALX | Radnor Rail, Ltd. | 7/2005 (not listed) | | NAKINA |
| 392 | RALX | RADNOR RAIL, LTD. | | | PWRC |
| 393 | RALX | Radnor Rail Limited | | | RSRV |
| 394 | RALX | RADNOR RAIL LTD | | | SCAC4 |
| 395 | RALY | RALEY TRUCKING | | | SCAC3 |
| 396 | RALY | RALLY TRANSPORT LTD | | | SCAC4 |
| 397 | RALZ | RALSTON PURINA COMPANY | | | PWRC |
| 398 | RAM | Royal Air Maroc | IATA: AT, Callsign: Royalair Maroc, IATA Prefix: 147, | MA | AVCODES |
| 399 | RAM | Royal Air Maroc | IATA: AT | | ICAO1 |
| 400 | RAMA | London Cityrama | | GB | TRAFFIC |
