| 7401 | RPAC | RAVENSTAR PACIFIC SHIPPING INC | | | SCAC4 |
| 7402 | RPAH | RANKIN, PAUL TRUCKING | | | SCAC4 |
| 7403 | RPAR | RAMPART RENTALS INC | | | SCAC3 |
| 7404 | RPAS | ROYS POOLS AND SPAS | | | SCAC4 |
| 7405 | RPAT | R & P AUTOMOTIVE (TRANSPORT DIV) | | | SCAC4 |
| 7406 | RPAX | Rhone-Poulenc Basic Chemicals Co. | eliminated 10/1992; 1/1994 (not listed) | | NAKINA |
| 7407 | RPAX | Rhone-Poulenc Basic Chemicals Co. | eliminated 10/92; 1/94 | | NRHS |
| 7408 | RPAX | RHODIA, INC. [(RPBX) RHONE-POULENC BASIC CHEMICALS COMPANY] | | | PWRC |
| 7409 | RPAZ | RAILROAD PROPERTIES ASSOCIATES | | | PWRC |
| 7410 | RPB | AeroRepública, S.A. | IATA: P5, Callsign: Aerorepublica, IATA Prefix: 845, Name changed to Aero Republica, S.A. t/a Copa Airlines Colombia w.e.f. October 2010. Designator P5 reinstated by IATA | CO | AVCODES |
| 7411 | RPB | AeroRepública, S.A. t/a Copa Airlines Colombia | IATA: P5, Callsign: Aerorepublica, IATA Prefix: 845, Name changed to AeroRep�blica, S.A. t/a wingo. Name changed from Aero Republica, S.A. Designator P5 reinstated by IATA | CO | AVCODES |
| 7412 | RPB | AeroRepública, S.A. t/a wingo | IATA: P5, Callsign: Aerorepublica, IATA Prefix: 845, Name changed from Copa Airlines Colombia and previously from Aero Republica, S.A. Designator P5 reinstated by IATA | CO | AVCODES |
| 7413 | RPB | AeroRepública | IATA: P5 | | ICAO1 |
| 7414 | RPBS | R P B SERVICE INC | | | SCAC3 |
| 7415 | RPBT | RPB TRUCKING | | | SCAC4 |
| 7416 | RPBU | BTT MULTIMODAL CONTAINER SOLUTION B.V. | | NL | BIC |
| 7417 | RPBX | Rhodia, Inc. | added 10/1999; 7/2000; eliminated 4/2004; added 1/2005; 7/2005 | | NAKINA |
| 7418 | RPBX | Rhone-Poulenc Basic Chemicals Co. | added 4/1990; added 7/1991; 1/1994; eliminated 10/1999 | | NAKINA |
| 7419 | RPBX | Rhone-Poulenc Basic Chemicals Co. | added 4/90; added 7/91; 1/94; eliminated 10/99 | | NRHS |
| 7420 | RPBX | Rhodia, Inc. | added 10/99; 7/2000 | | NRHS |
| 7421 | RPBX | *RHONE-POULENC BASIC CHEMICALS COMPANY | | | PWRC |
| 7422 | RPBX | +RHODIA, INC. | | | PWRC |
| 7423 | RPBX | Rhodia | | | RSRV |
| 7424 | RPBX | RHODIA INC | | | SCAC4 |
| 7425 | RPC | Aerolineas Del Pacifico | | | ICAO1 |
| 7426 | RPCC | RUPP CONTRACTING CORPORATION | | | SCAC3 |
| 7427 | RPCC | ROCKPORT CARRIER COMPANY INC | | | SCAC4 |
| 7428 | RPCD | RAPID CITY DELIVERY | | | SCAC3 |
| 7429 | RPCD | REMPEL, KEITH E | | | SCAC4 |
| 7430 | RPCI | ROCKY PACIFIC SHIPPING INC | | | SCAC3 |
| 7431 | RPCI | RPK TRANSPORT INC | | | SCAC4 |
| 7432 | RPCL | RPC | | | SCAC4 |
| 7433 | RPCN | RAPID CARTAGE INC | | | SCAC3 |
| 7434 | RPCO | RAPCO DISTRIBUTING COMPANY | | | SCAC3 |
| 7435 | RPCP | RING POWER CORPORATION | | | SCAC4 |
| 7436 | RPCU | TIC PETERSBURG LTD | | | SCAC4 |
| 7437 | RPCV | R PERSONAL COURIER SERVICE | | | SCAC3 |
| 7438 | RPCX | Railroad Passenger Car Numbering Bureau Inc. | 7/2005 (not listed) | | NAKINA |
| 7439 | RPCX | Robeson Process Co. | 8/1920-10/1966; eliminated 10/1969 | | NAKINA |
| 7440 | RPCX | Ralston Purina Co. | added 1/1974; 1/1975-1/1980; eliminated 7/1989 | | NAKINA |
| 7441 | RPCX | Robeson Process Co. | 4/38-10/66; eliminated 10/69 | | NRHS |
| 7442 | RPCX | Ralston Purina Co. | added 1/74; 1/75-1/80; eliminated 7/89 | | NRHS |
| 7443 | RPCX | *ROBESON PROCESS CO. | | | PWRC |
| 7444 | RPCX | *RALSTON PURINA CO. | | | PWRC |
| 7445 | RPCX | +RAILROAD PASSENGER CAR NUMBERING BUREAU, INC. | | | PWRC |
| 7446 | RPCX | Railroad Passenger Car Numbering Bureau | | | RSRV |
| 7447 | RPCX | RAILROAD PASSENGER CAR NUMBERING BU | | | SCAC4 |
| 7448 | RPCX | Ralston Purina Co. | | USA | TRAFFIC |
| 7449 | RPCZ | RALSTON PROTEIN CO, | | | PWRC |
| 7450 | RPDA | RAPID AIR TRANSPORT INC | | | SCAC3 |
| 7451 | RPDC | R P D INC | | | SCAC3 |
| 7452 | RPDE | RAPID EXPRESS | | | SCAC3 |
| 7453 | RPDE | RAPID EXPRESS | | | SCAC4 |
| 7454 | RPDF | RAPIDO FREIGHT LINES | | | SCAC3 |
| 7455 | RPDF | RAPID FREIGHT INC | | | SCAC4 |
| 7456 | RPDI | ROSE, BILLY PARCEL DELIVERY SERVICE | | | SCAC3 |
| 7457 | RPDJ | RAPID DELIVERY SERVICE | | | SCAC3 |
| 7458 | RPDK | RIPTIDE TRUCKLING CO INC | | | SCAC3 |
| 7459 | RPDL | RAPID PACKAGE DELIVERY | | | SCAC3 |
| 7460 | RPDL | RAPID TRANSIT LLC | | | SCAC4 |
| 7461 | RPDM | RAPID MOTOR TRANSPORT | | | SCAC4 |
| 7462 | RPDO | RECUPERADORA DE METALES RIO BRAVO S | | | SCAC4 |
| 7463 | RPDP | RAPID INDUSTRIAL PLASTICS CO INC | | | SCAC3 |
| 7464 | RPDQ | RAPID SERVICE | | | SCAC3 |
| 7465 | RPDR | RAPID TRANSIT INC | | | SCAC3 |
| 7466 | RPDR | RAPID TRANSPORTATION INC | | | SCAC4 |
| 7467 | RPDS | RAPIDOS SABINAS SA DE CV | | | SCAC4 |
| 7468 | RPDT | RAPID TRANSIT COMPANY | | | SCAC3 |
| 7469 | RPDV | RAPID DELIVERY USA | | | SCAC4 |
| 7470 | RPDW | RAPID WEST INC | | | SCAC3 |
| 7471 | RPDX | ROCKFORD PARK DISTRICT | | | PWRC |
| 7472 | RPDY | RAYS PICKUP AND DELIVERY SERVICE | | | SCAC3 |
| 7473 | RPE | RP Eisenbahn GmbH | Wachenheim (RP = Rheinland-Pfalz) | D | privat-bahn.de |
| 7474 | RPE | RP Eisenbahn | | DE | VKM |
| 7475 | RPEA | RP EXPRESS | | | SCAC4 |
| 7476 | RPEC | REFRIESPESCIALIZADOS | | | SCAC4 |
| 7477 | RPEE | R & P TRUCKING LLC | | | SCAC4 |
| 7478 | RPEI | ROBICHAUD, PAUL E INC | | | SCAC3 |
| 7479 | RPEI | ROBICHAUD, PAUL E INC | | | SCAC4 |
| 7480 | RPEM | ROGERS PETROLEUM INC | | | SCAC4 |
| 7481 | RPEN | ROYAL PACIFIC EXPRESS INC | | | SCAC3 |
| 7482 | RPEP | RAPID EXPRESS DELIVERY & MESSENGER | | | SCAC3 |
| 7483 | RPES | RAPID EXPRESS SERVICE INCORPORATED | | | SCAC3 |
| 7484 | RPET | RPE TRANSPORTATION SERVICES | | | SCAC4 |
| 7485 | RPEY | RIVERDALE POULTRY EXPRESS | | | SCAC4 |
| 7486 | RPFC | ROYAL PACIFIC TRANSPORTATION LLC | | | SCAC4 |
| 7487 | RPFE | RAPID FREIGHT EXPRESS INC | | | SCAC3 |
| 7488 | RPFM | RAINBOW PIANO & FURNITURE MOVER INC | | | SCAC3 |
| 7489 | RPFO | R P F OIL COMPANY | | | SCAC4 |
| 7490 | RPGE | RIPPLINGER TRUCKING SERVICE | | | SCAC4 |
| 7491 | RPGI | RAMPAK GROUP INC | | | SCAC4 |
| 7492 | RPGS | ROWLANDS TRANSFER AND PIGGYBACK SER | | | SCAC3 |
| 7493 | RPGT | RODRIGUEZ, P G TRUCKING | | | SCAC3 |
| 7494 | RPGU | GROWTECH INDUSTRIES LLC | | USA | BIC |
| 7495 | RPH | PT. Republic Express Airlines | IATA: RV, IATA designator changed to RH | RI | AVCODES |
| 7496 | RPH | Republic Express Airlines, Pt. | IATA: RH, Callsign: Public Express, IATA designator changed from RV | RI | AVCODES |
| 7497 | RPH | Republic Express Airlines | IATA: RH | | ICAO1 |
| 7498 | RPHC | R P H IRRIGATION SERVICES LTD | | | SCAC4 |
| 7499 | RPHL | REFACCIONES E IMPLEMENTOS HEREDIA S | | | SCAC4 |
| 7500 | RPHP | RALPHS PRODUCE | | | SCAC3 |
