| 1 | TIS | Aviation Enterprise TESIS Limited | IATA: UZ, Callsign: Tesis, IATA Prefix: 246, | RUS | AVCODES |
| 2 | TIS | Aviatis | Callsign: Aviatis, | RUS | AVCODES |
| 3 | TIS | Tesis | | | ICAO1 |
| 4 | TIS | Transfer Internation Spedition SRL | | RO | TRAFFIC |
| 5 | TIS | TRANSFER INTERNATIONAL SPEDITION SRL | | RO | VKM |
| 6 | TISB | TECHNICOR INDUSTRIAL SERVICES INC | | | SCAC4 |
| 7 | TISE | TISDALE, E L & SON TRUCKING | | | SCAC4 |
| 8 | TISF | TRANSCOMEX INTERNACIONAL SA DE CV | | | SCAC4 |
| 9 | TISH | Tishomingo R.R. Co., Inc. | added 4/2000; 7/2000-7/2005; eliminated 10/2006 | | NAKINA |
| 10 | TISH | Tishomingo R.R. Co., Inc. | added 4/2000; 7/2000 | | NRHS |
| 11 | TISH | TISHOMINGO RAILROAD CO., INC. | | | PWRC |
| 12 | TISH | Tishomingo Railroad | | | RSRV |
| 13 | TISH | TISHOMINGO RAILROAD COMPANY INC | | | SCAC4 |
| 14 | TISJ | TRI STAR OIL | | | SCAC4 |
| 15 | TISK | TEAM INDUSTRIAL SERVICES | | | SCAC4 |
| 16 | TISL | TITAN STEEL CORPORATION | | | SCAC4 |
| 17 | TISM | TARGET INTERMODAL SYSTEMS INC | | | SCAC4 |
| 18 | TISN | TCS LOGISTICS INC | | | SCAC4 |
| 19 | TISU | TRANSPORT INDUSTRIAL SERVICE (TIS) LTD | | RUS | BIC |
| 20 | TISU | TRANSPORT INDUSTRIAL SERVICE LTD | | | SCAC4 |
| 21 | TISV | TIME SAVER TRANSPORTATION INC | | | SCAC4 |
| 22 | TISW | TIS LOGISTICS | | | SCAC4 |
| 23 | TISX | Trinity Industries Leasing Co. | added 1/1999; 7/2000-7/2005 | | NAKINA |
| 24 | TISX | Trinity Industries Leasing Co. | added 1/99; 7/2000 | | NRHS |
| 25 | TISX | TRINITY INDUSTRIES LEASING CO. | | | PWRC |
| 26 | TISX | Trinity Industries Leasing | | | RSRV |
| 27 | TISX | TRINITY INDUSTRIES LEASING COMPANY | | | SCAC4 |
