| 1 | FOX | Jetair Aps | Callsign: Speedfox, | DK | AVCODES |
| 2 | FOX | 540 Ghana Ltd. | IATA: 5G, | GH | AVCODES |
| 3 | FOX | flyr AS | IATA: FS, Callsign: Greenstar, Ceased operations on 31 Janaury 2023. | N | AVCODES |
| 4 | FOX | J.M. Fox | added 1/1956; 10/1957; eliminated 1/1959 | | NAKINA |
| 5 | FOX | Foco Oil Co. | 8/1920 | | NAKINA |
| 6 | FOX | Foco Oil Co. (Lakeside Oil Refining Co.) | 7/1923 | | NAKINA |
| 7 | FOX | J.M. Fox | 10/57; eliminated 1/59 | | NRHS |
| 8 | FOX | *LAKESIDE OIL REFINING CO. [FOCO OIL CO.] | | | PWRC |
| 9 | FOX | *J.M. FOX | | | PWRC |
| 10 | FOX | FOXrail Zrt. | | HU | VKM |
| 11 | FOXA | FOX AIR EXPRESS | | | SCAC3 |
| 12 | FOXB | FOX, BOB TRUCKING | | | SCAC3 |
| 13 | FOXC | FOX, WILLIAM TRUCKING INC | | | SCAC3 |
| 14 | FOXC | FOX FUEL COMPANY | | | SCAC4 |
| 15 | FOXD | FOX DISPATCH | | | SCAC3 |
| 16 | FOXE | FOX EXPRESS INC | | | SCAC3 |
| 17 | FOXE | FOX EXPEDITED SERVICES INC | | | SCAC4 |
| 18 | FOXH | FOX OIL CO INC | | | SCAC4 |
| 19 | FOXI | FOX TRUCKING INC | | | SCAC3 |
| 20 | FOXI | FOX TRUCKING INC | | | SCAC4 |
| 21 | FOXK | FOX TRUCKING INC | | | SCAC4 |
| 22 | FOXM | FOX PIANO MOVERS INC | | | SCAC3 |
| 23 | FOXN | FOXMANN TRUCKING SERVICE | | | SCAC3 |
| 24 | FOXO | FOX 40 INTERNATIONAL INC | | | SCAC4 |
| 25 | FOXQ | FOX, BARRY T | | | SCAC3 |
| 26 | FOXQ | FOX ENTERPRISES | | | SCAC4 |
| 27 | FOXR | FOX GLOBAL LOGISTCS CORP | | | SCAC4 |
| 28 | FOXS | FOX-SMYTHE TRANSPORTATION CO | | | SCAC3 |
| 29 | FOXV | FOX VALLEY TRUCK LINES INC | | | SCAC3 |
| 30 | FOXV | FOX HOLLOW MOVERS | | | SCAC4 |
