| 1 | TLS | TLC Air, Inc. | Callsign: Tealsy, | USA | AVCODES |
| 2 | TLS | TLC Air | | | ICAO1 |
| 3 | TLS | Alstom Transport Deutschland GmbH TLS Braunschweig | | D | TRAFFIC |
| 4 | TLS | Alstom Transport Deutschland GmbH TLS Braunschweig | | DE | VKM |
| 5 | TLSB | TITUS LOGISTICS SERVICES LP | | | SCAC4 |
| 6 | TLSD | TRANSPORT LESSARD 2000 | | | SCAC4 |
| 7 | TLSG | TLS TRUCKING | | | SCAC4 |
| 8 | TLSH | T L S DISTRIBUTORS INC | | | SCAC4 |
| 9 | TLSI | TRANSPORTATION AND LOGISTICAL SERVI | | | SCAC4 |
| 10 | TLSK | TRANSPORT LOGISTICS SOLUTIONS INC | | | SCAC4 |
| 11 | TLSK | Tatra-Leasing, s.r.o. | | SK | VKM |
| 12 | TLSM | TRANSPORTES LUIS MANUEL LASTRA NAVA | | | SCAC4 |
| 13 | TLSP | TLS TRANSPORTATION LLC | | | SCAC4 |
| 14 | TLSR | TLS TRANSPORT (DIVISION OF TOYOTA T | | | SCAC4 |
| 15 | TLSS | TRANSPORTATION LOGISTICS SYSTEMS IN | | | SCAC4 |
| 16 | TLSSK | TransLog Slovakia, a.s. | | SK | VKM |
| 17 | TLSU | {LLC "TRANSPORT LOGISTICS SYSTEMS"};ZIPCODE=630004 | | RUS | BIC |
| 18 | TLSX | Tank Line Service, Inc. | 1/1946-4/1961; eliminated 1/1962 | | NAKINA |
| 19 | TLSX | Tank Line Service, Inc. | 1/52-4/61; eliminated 1/62 | | NRHS |
| 20 | TLSX | TANK LINE SERVICE, INC. | | | PWRC |
