| 1 | FOC | Office Federal de Aviation Civile | Callsign: FOCA, | CH | AVCODES |
| 2 | FOCB | FRANCOIS OIL COMPANY INC | | | SCAC4 |
| 3 | FOCE | FOUR COLOR EXPRESS INC | | | SCAC3 |
| 4 | FOCE | FARMERS UNION OIL COMPANY OF RUGBY | | | SCAC4 |
| 5 | FOCF | F-SIXTEEN (F-16) ENTERPRISES LIMITE | | | SCAC4 |
| 6 | FOCH | FOOD CARRIER INC | | | SCAC3 |
| 7 | FOCI | FARMERS OIL CO INC | | | SCAC3 |
| 8 | FOCI | FROESEL OIL COMPANY INC | | | SCAC4 |
| 9 | FOCL | FOCUS LOGISTICS, INC | | | SCAC4 |
| 10 | FOCN | FALK OCEAN SHIPPING LIMITED | | | SCAC3 |
| 11 | FOCN | FRISCO INTL INC | | | SCAC4 |
| 12 | FOCO | FORDS CONTRACTING SERVICE | | | SCAC3 |
| 13 | FOCP | FICKLER OIL COMPANY INC | | | SCAC4 |
| 14 | FOCU | UNISOURCING CO LIMITED | | HK | BIC |
| 15 | FOCU | OLDENBURG-PORTUGIESICHE DAMPFSCHIFF | | | SCAC4 |
| 16 | FOCW | FAMILY OIL COMPANY LLC | | | SCAC4 |
| 17 | FOCY | FIVE THREE ZERO NINE SEVEN EIGHT (5 | | | SCAC4 |
