| 1 | ARP | Société D’Exploitation Aeropostale | Callsign: Aeroposte, Designator 5S recalled by IATA. Designator 5S reinstated by IATA | F | AVCODES |
| 2 | ARP | Société D’Exploitation Aeropostale | IATA: 5S, Callsign: Aeroposte, Designator 5S recalled by IATA | F | AVCODES |
| 3 | ARP | Société D’Exploitation Aeropostale | Callsign: Aeroposte, Designator 5S recalled by IATA. Designator 5S reinstated by IATA | F | AVCODES |
| 4 | ARP | RPA-Aviataxi Ltd. | | RUS | AVCODES |
| 5 | ARP | RPA-Aviataxi Ltd. | | | ICAO1 |
| 6 | ARP | ARRIVA RP Sp. z o.o. | | PL | VKM |
| 7 | ARPA | ARPEZA TRANSPORTES | | | SCAC4 |
| 8 | ARPA | Autolinee Regionali Pubbliche Abruzzesi | City: Chieti | I | TRAFFIC |
| 9 | ARPB | A & R TRANSPORT INC | | | SCAC3 |
| 10 | ARPB | A & R TRANSPORT INC | | | SCAC4 |
| 11 | ARPD | ALLEGHENY RECYCLED PRODUCTS | | | SCAC4 |
| 12 | ARPE | A R TRANSPORT INC | | | SCAC3 |
| 13 | ARPE | ARPEZ SA | | | SCAC4 |
| 14 | ARPF | ARP TRANSPORT LLC | | | SCAC4 |
| 15 | ARPG | ARPIN OF MICHIGAN | | | SCAC4 |
| 16 | ARPH | ARAPAHO SHIPPING CORP OF MONROVIA | | | SCAC3 |
| 17 | ARPH | ARMTEC LIMITED PARTNERSHIP | | | SCAC4 |
| 18 | ARPI | ALPHA RECYCLING INC | | | SCAC3 |
| 19 | ARPK | ARIA PETROLEUM INC | | | SCAC4 |
| 20 | ARPL | Arriva Polska | | PL | TRAFFIC |
| 21 | ARPM | ART & PAUL MOVING AND STORAGE | | | SCAC4 |
| 22 | ARPO | A-ONE (A-1) TRANSPORT | | | SCAC4 |
| 23 | ARPP | ARROW PAPER CO INC | | | SCAC3 |
| 24 | ARPP | ASARP TRUCKING LLC | | | SCAC4 |
| 25 | ARPQ | AIRPORT EXPEDITING SERVICE INC | | | SCAC3 |
| 26 | ARPS | AIRPORT LIMOUSINE SERVICE | | | SCAC3 |
| 27 | ARPT | AIRPORT TRANSPORTATION COMPANY | | | SCAC4 |
| 28 | ARPU | EQUIPOS MOVILES DE CAMPANA ARPA S.A.U. | | E | BIC |
| 29 | ARPU | EQUIPOS MOVILES DE CAMPANA ARPA S A | | | SCAC4 |
| 30 | ARPV | ARPIN, PAUL VAN LINES INC | | | SCAC3 |
| 31 | ARPV | ARPIN VAN LINES INC | | | SCAC4 |
| 32 | ARPW | AL-AMIN BROTHERS TRANSPORTATION LLC | | | SCAC4 |
| 33 | ARPX | BP Products North America Inc. | added 1/2003; 7/2005 | | NAKINA |
| 34 | ARPX | Amoco Oil Co. | added 7/2000; 7/2000; eliminated 1/2003 | | NAKINA |
| 35 | ARPX | Arco Products Co. | eliminated 7/2000 | | NAKINA |
| 36 | ARPX | Arco Products Co., Division of Atlantic Richfield Co. | added 1/1989; 1/1994 | | NAKINA |
| 37 | ARPX | Arco Petroleum Products Co., Division of Atlantic Richfield Co. | added 4/1980; eliminated 1/1989 | | NAKINA |
| 38 | ARPX | ARCO Petroleum Co.-Division of Atlantic Richfield Co. | added 1/1980; 1/1980; eliminated 4/1980 | | NAKINA |
| 39 | ARPX | A.R.P. Leasing Corp. | added 4/1971; 1/1975; eliminated 4/1977 | | NAKINA |
| 40 | ARPX | A.R.P. Leasing Corp. | added 4/71; 1/75 | | NRHS |
| 41 | ARPX | ARCO Petroleum Co.-Division of Atlantic Richfield Co. | added 1/80; 1/80; eliminated 4/80 | | NRHS |
| 42 | ARPX | Arco Petroleum Products Co., Division of Atlantic Richfield Co. | added 4/80; eliminated 1/89 | | NRHS |
| 43 | ARPX | Arco Products Co., Division of Atlantic Richfield Co. | added 1/89; 1/94 | | NRHS |
| 44 | ARPX | Arco Products Co. | eliminated 7/2000 | | NRHS |
| 45 | ARPX | Amoco Oil Co. | added 7/2000; 7/2000 | | NRHS |
| 46 | ARPX | *A.R.P. LEASING | | | PWRC |
| 47 | ARPX | +ARCO PRODUCTS CO., DIV OF BP PRODUCTS NORTH AMERICA [ATLANTIC RICHFIELD; AMOCO OIL CO.] | | | PWRC |
| 48 | ARPX | Arco Petroleum Products (BP Products North America) | | | RSRV |
| 49 | ARPX | BP PRODUCTS NORTH AMERICA INC | | | SCAC4 |
| 50 | ARPY | AMERICAN TRANSPORT LINES INC. | | | SCAC4 |
| 51 | ARPZ | ALABAMA RIVER PLANT | | | PWRC |
