| 1 | APK | Asia Pacific Air Cargo Pte Ltd. | Callsign: Apac, Ceased operations | SGP | AVCODES |
| 2 | APK | Aeroprakt K.Z. | Callsign: Aeroprakt, Ceased operations in 2010. | KZ | AVCODES |
| 3 | APK | Air Peace Limited | IATA: P4, Callsign: Peace Bird, | WAN | AVCODES |
| 4 | APKA | AMERICAN PACKING AND CRATING OF GA | | | SCAC4 |
| 5 | APKB | ALL POINTS FREIGHT BROKERS LLC | | | SCAC4 |
| 6 | APKE | ALPINE TRUCKING LLC | | | SCAC4 |
| 7 | APKG | A & P TRUCKING INC | | | SCAC3 |
| 8 | APKG | APACHE TRUCKING | | | SCAC4 |
| 9 | APKH | ARTPACK SERVICES INC | | | SCAC4 |
| 10 | APKI | ATECH PACKAGING & SHIPPING COMPANY | | | SCAC3 |
| 11 | APKI | ATECH PACKAGING & SHIPPING COMPANY | | | SCAC4 |
| 12 | APKK | A P TRUCKING | | | SCAC4 |
| 13 | APKN | A PAUL TRUCKING CO | | | SCAC4 |
| 14 | APKO | APKO TRANSPORT CORP | | | SCAC3 |
| 15 | APKO | ASAP TRUCKING COMPANY LLC | | | SCAC4 |
| 16 | APKQ | AMP TRUCKING INC | | | SCAC4 |
| 17 | APKT | ALPACA TRANSPORT INC | | | SCAC3 |
| 18 | APKV | AIRPORT CRATING & PACKING SERVICE I | | | SCAC3 |
| 19 | APKX | Arizona Packing Co. | 7/1930 | | NAKINA |
| 20 | APKX | ARIZONA PACKING CO. | | | PWRC |
| 21 | APKY | AMERIPARK INC | | | SCAC4 |
