| 1 | FSO | Sky One S.r.o. | Callsign: Sky Air, | SK | AVCODES |
| 2 | FSOB | F & S LOGISTICS LLC | | | SCAC4 |
| 3 | FSOC | FOURTH STREET ROCK CRUSHER | | | SCAC3 |
| 4 | FSOD | FRONTIER SOUTH (DIV OF FRONTIER TRA | | | SCAC4 |
| 5 | FSOF | FIVE SIX ONE THREE FOUR FIVE ONE (5 | | | SCAC4 |
| 6 | FSOI | FLARE SOLUTIONS INC | | | SCAC4 |
| 7 | FSOM | FROST OIL CO INC | | | SCAC4 |
| 8 | FSOS | FOUR SIX ONE SIX ONE SIX THREE (461 | | | SCAC4 |
| 9 | FSOT | FOUR SEASONS TRAVEL | | | SCAC3 |
| 10 | FSOT | FULFILLMENT SOLUTIONS OF TEXAS LTD | | | SCAC4 |
