| 1 | FSL | Flight Safety Limited | Callsign: Flightsafety, | GB | AVCODES |
| 2 | FSL | Flight Safety Limited | | | ICAO1 |
| 3 | FSL | FOUR STAR LINES DIVISION | | | SCAC4 |
| 4 | FSLC | FROST LEASING COMPANY INC | | | SCAC3 |
| 5 | FSLD | FRANCOLYN SHIPPING LTD | | | SCAC3 |
| 6 | FSLD | FORTUNESHIP LTD | | | SCAC4 |
| 7 | FSLF | FIRST LIGHT FREIGHT | | | SCAC3 |
| 8 | FSLF | FLETES ELFER | | | SCAC4 |
| 9 | FSLG | F & S LOGISTICS INC | | | SCAC4 |
| 10 | FSLH | FORTE SHIPPING LIMITED | | | SCAC4 |
| 11 | FSLI | FAST LEASING INC | | | SCAC3 |
| 12 | FSLJ | FREIGHT SOLUTIONS LLC | | | SCAC4 |
| 13 | FSLL | FLETES LOS LOBOS | | | SCAC4 |
| 14 | FSLM | FOUR SEASONS LIMOUSINE COMPANY INC | | | SCAC3 |
| 15 | FSLM | FAST LANE AUTO INC | | | SCAC4 |
| 16 | FSLN | FAST LANE TRUCKING INC | | | SCAC3 |
| 17 | FSLN | FAST LANE TRUCKING INC | | | SCAC4 |
| 18 | FSLP | FALCO STX LLC | | | SCAC4 |
| 19 | FSLQ | FINSEL OIL COMPANY | | | SCAC3 |
| 20 | FSLQ | FASTAR LOGISTICS INC | | | SCAC4 |
| 21 | FSLR | FESSLER, RANDY TRUCKING | | | SCAC4 |
| 22 | FSLS | FULL SERVICE LOGISTICS LLC | | | SCAC4 |
| 23 | FSLT | FORTH, STEVEN LIVESTOCK TRANSPORT | | | SCAC4 |
| 24 | FSLU | SUZHOU YITAIDUI SUPPLY CHAIN MANAGEMENTCO. LTD | | PRC | BIC |
| 25 | FSLU | FREIGHT SYSTEMS LTD. HONG KONG | | | SCAC3 |
| 26 | FSLU | FREIGHT SYSTEMS LTD. HONG KONG | | | SCAC4 |
| 27 | FSLW | FALCONET SHIPPING LTD | | | SCAC4 |
| 28 | FSLY | FREIGHTLINE SOLUTIONS LLC | | | SCAC4 |
