| 1 | FOO | Anisec Luftfahrt GmbH t/a Vueling Austria | IATA: VK, Callsign: Austrojet, Name changed to Anisec Luftfahrt GmbH t/a LEVEL Europe. | A | AVCODES |
| 2 | FOO | Anisec Luftfahrt GmbH t/a LEVEL Europe | IATA: VK, Callsign: Austrojet, Ceased operation on 18 June 2020. Name changed from Anisec Luftfahrt GmbH t/a Vueling Austria. | A | AVCODES |
| 3 | FOOC | FOOTE CONSTRUCTION CO | | | SCAC3 |
| 4 | FOOD | FOOD PRODUCTS REFRIGERATED EXPRESS | | | SCAC3 |
| 5 | FOOE | FOOD EXPRESS INC | | | SCAC3 |
| 6 | FOOH | FOOD HAULERS INC | | | SCAC3 |
| 7 | FOOI | FALCON OIL COMPANY INC | | | SCAC4 |
| 8 | FOON | FOOD TRANSPORT INC | | | SCAC3 |
| 9 | FOOP | FOOD PRODUCTS TRANSPORT | | | SCAC3 |
| 10 | FOOR | FOOTNER & COMPANY INC. | | | SCAC3 |
| 11 | FOOS | FOOSE TRANSPORT INC | | | SCAC3 |
| 12 | FOOS | FOOSE TRANSPORT INC | | | SCAC4 |
| 13 | FOOT | FOOTS PROPERTIES INC | | | SCAC3 |
| 14 | FOOT | FOOTING TUBE, THE | | | SCAC4 |
| 15 | FOOTHILL | Foothill Transit | | US-CA | TRAFFIC |
| 16 | FOOU | FOODSPED GMBH | | A | BIC |
| 17 | FOOZ | FLEXI-VAN LEASING INC | | | SCAC4 |
