| 1 | AGP | AERFI Group plc | Callsign: Aer Tara, Name changed from GPA Group Plc. | IRL | AVCODES |
| 2 | AGP | GPA Group Plc. | Callsign: Aer Tara, Name changed to AERFI Group plc | IRL | AVCODES |
| 3 | AGP | Air Tara Limited | IATA: TB, Callsign: Air Tara, Name changed to GPA Group Plc. Founded on 28 February 1977. | IRL | AVCODES |
| 4 | AGP | AERFI Group | | | ICAO1 |
| 5 | AGPA | ANDERSONS | | | SCAC4 |
| 6 | AGPB | AG PARTNERS LLC | | | SCAC4 |
| 7 | AGPC | AUTUMN GROUP, INC | | | SCAC3 |
| 8 | AGPD | API SPECIALTY FARMS | | | SCAC4 |
| 9 | AGPG | AG PROCESSING INC | | | SCAC3 |
| 10 | AGPG | AG PROCESSING INC | | | SCAC4 |
| 11 | AGPI | ARROW GROUP INDUSTRIES | | | SCAC3 |
| 12 | AGPI | AGPI, a.s. | | CZ | VKM |
| 13 | AGPJ | AMERICAN GROUP LLC | | | SCAC4 |
| 14 | AGPJC | Agropodnik a.s. Jičín | | CZ | VKM |
| 15 | AGPJI | AGROPODNIK, akciová společnost, Jihlava | | CZ | VKM |
| 16 | AGPM | ANGLO EASTERN SHIP MANAGEMENT LTD | | | SCAC3 |
| 17 | AGPO | AUTOGAS PROPANE | | | SCAC4 |
| 18 | AGPP | ALLEGHENY PETROLEUM PRODUCTS CO | | | SCAC4 |
| 19 | AGPQ | AG PARROTT COMPANY | | | SCAC4 |
| 20 | AGPR | AGPRO INC | | | SCAC3 |
| 21 | AGPS | AGIP SPA | | | SCAC3 |
| 22 | AGPU | A-GAS (UK) LTD | | GB | BIC |
| 23 | AGPV | AGAPE SHIPPING INC | | | SCAC4 |
| 24 | AGPX | Ag Processing, Inc. | added 10/1995; 7/2000-7/2005 | | NAKINA |
| 25 | AGPX | Chicago Freight Car Leasing Co. | added 7/1985; 1/1994; eliminated 10/1995 | | NAKINA |
| 26 | AGPX | Chicago Freight Car Leasing Co. | 1/94; eliminated 10/95 | | NRHS |
| 27 | AGPX | Ag Processing, Inc. | added 10/95; 7/2000 | | NRHS |
| 28 | AGPX | *CHICAGO FREIGHT CAR LEASING CO | | | PWRC |
| 29 | AGPX | +AG PROCESSING CORPORATION | | | PWRC |
| 30 | AGPX | AG Processing | | | RSRV |
| 31 | AGPX | AG Processing, Inc. | | USA | TRAFFIC |
| 32 | AGPY | AURUM GROUP, THE | | | SCAC4 |
| 33 | AGPZ | AG PROCESSING CORP. | | | PWRC |
