| 1 | SFK | Southair Ltd. (Sudurflug EHF) | | IS | AVCODES |
| 2 | SFKA | SURFACE TRUCKING AND TRANSPORT LLC | | | SCAC4 |
| 3 | SFKC | STI FREIGHT BROKERAGE LLC | | | SCAC4 |
| 4 | SFKD | S & F TRUCKING INC | | | SCAC4 |
| 5 | SFKG | S F TRUCKING INC | | | SCAC4 |
| 6 | SFKL | SAFETY-KLEEN SYSTEMS INC | | | SCAC4 |
| 7 | SFKM | S & F TRUCKING COMPANY | | | SCAC4 |
| 8 | SFKN | S & F TRUCKING | | | SCAC4 |
| 9 | SFKR | SHEFLAND TRUCKING SERVICE INC | | | SCAC4 |
| 10 | SFKT | SOUTHFORK TRANSPORTATION LLC | | | SCAC4 |
| 11 | SFKV | STAUFFENECKER, DAVID A | | | SCAC4 |
