| 1 | FSS | Cherokee Air Limited | Callsign: Abaco, | BS | AVCODES |
| 2 | FSSA | Ferrocarril de Sóller (Mallorca) | Real: FS | E | TRAFFIC |
| 3 | FSSB | FLAGSHIP SPECIALIZED SHIPPERS | | | SCAC4 |
| 4 | FSSC | FIRST SCOTT STREET CORPORATION | | | SCAC3 |
| 5 | FSSC | FLORIDA SILICA SAND COMPANY | | | SCAC4 |
| 6 | FSSD | FAITH STAR SHIPPING CO., LTD. | | | SCAC3 |
| 7 | FSSE | FOSS, EDGAR W | | | SCAC3 |
| 8 | FSSF | FROSSARD FREIGHT WAYS LLC | | | SCAC4 |
| 9 | FSSG | FREIGHT SAVERS SHIPPING CO LTD | | | SCAC3 |
| 10 | FSSH | FIVE STAR SHIPPING SERVICES | | | SCAC3 |
| 11 | FSSH | FIRST (1ST) CLASS HUTCHINSON TRANSP | | | SCAC4 |
| 12 | FSSJ | FREIGHT SOLUTION SERVICES INC | | | SCAC4 |
| 13 | FSSK | FORTRESS TRUCKING LTD | | | SCAC4 |
| 14 | FSSM | FINESSE MARITIME CO LTD | | | SCAC3 |
| 15 | FSSM | FREEWAY STEAMSHIP SA PANAMA | | | SCAC4 |
| 16 | FSSN | FIVE SEVEN SIX NINE NINE SEVEN (576 | | | SCAC3 |
| 17 | FSSN | FOSSE TRANSPORT | | | SCAC4 |
| 18 | FSSP | FOUR (4) SSSS TRANSPORT | | | SCAC4 |
| 19 | FSSQ | FREIGHT SOLUTION SERVICES INC | | | SCAC4 |
| 20 | FSSR | FOUR SEASONS SERVICES INC | | | SCAC4 |
| 21 | FSSS | FOUR S CO (4-S CO) | | | SCAC3 |
| 22 | FSSS | FREIGHT SOLUTION SERVICES INC | | | SCAC4 |
| 23 | FSST | FOSS TRUCKING | | | SCAC4 |
| 24 | FSSU | FUGRO SUBSEA TECHNOLOGIES PTE LTD | | SGP | BIC |
| 25 | FSSV | FENWICK SHIPPING SERVICES LTD. | | | SCAC3 |
| 26 | FSSW | FOUR SEAS & SEVEN WINDS TRAVEL AGEN | | | SCAC3 |
| 27 | FSSW | FRIENDSHIP SHIPPING SERVICES INC | | | SCAC4 |
| 28 | FSSX | F.S. Transportation, LLC | added 10/2003; eliminated 4/2004; 7/2005 (not listed) | | NAKINA |
| 29 | FSSX | F. S. TRANSPORTATION, LLC | | | PWRC |
| 30 | FSSY | FIVE SEVEN SEVEN SIX EIGHT THREE ON | | | SCAC4 |
