| 1 | TSF | Trans-African Airways, Inc. | Callsign: Africanway, | LB | AVCODES |
| 2 | TSF | Tuolumne & Sierra Foothill Railroad | | USA | TRAFFIC |
| 3 | TSFD | TRANSFIELD SHIPPING INC | | | SCAC4 |
| 4 | TSFE | TSC CONTAINER FREIGHT | | | SCAC4 |
| 5 | TSFF | TWO SIX FOUR FIVE SEVEN ONE TWO SEV | | | SCAC4 |
| 6 | TSFH | TRAN SOURCE FREIGHT FORWARDING, INC. | | | SCAC1 |
| 7 | TSFJ | TETRA SPEAKERS INC | | | SCAC4 |
| 8 | TSFL | T S FUEL LLC | | | SCAC4 |
| 9 | TSFN | TRANSPORT SAF (1994) INC | | | SCAC4 |
| 10 | TSFO | TWO SIX FOUR THREE-EIGHT ONE SIX EI | | | SCAC4 |
| 11 | TSFQ | TWO SEVEN FOUR SEVEN-TWO SIX TWO ZE | | | SCAC4 |
| 12 | TSFR | TAURUS FREIGHT INC | | | SCAC4 |
| 13 | TSFS | TRI STAR FREIGHT SYSTEM INC | | | SCAC4 |
| 14 | TSFU | SOULBRAIN CORP | | ROK | BIC |
| 15 | TSFU | TRANSAMERICA LEASING INCORPORATED (BNSF) | | | PWRC |
| 16 | TSFU | TAL International (BNSF Railway) | | | RSRV |
| 17 | TSFU | TECHNO SEMICHEM CO LTD | | | SCAC4 |
| 18 | TSFV | TREVINO SANCHEZ, RUBEN CARLOS | | | SCAC4 |
| 19 | TSFX | The Struthers Furnace Co. | 7/1923 | | NAKINA |
| 20 | TSFX | STRUTHERS FURNACE CO. | | | PWRC |
| 21 | TSFY | TRANS-SEND FREIGHT SYSTEMS LTD | | | SCAC4 |
| 22 | TSFZ | TRAC LEASE INC | | | SCAC4 |
