| Abbreviation | Definition |
|---|---|
| TSE | Texas South- Eastern Railroad Company |
| TSE | Texas Southeastern Railway |
| TSFU | TAL International (BNSF Railway) |
| TSFU | Transamerica Leasing Incorporated ( Burlington Northern Santa Fe) |
| TSGN | Thameslink, Southern and Great Northern |
| TSGN | Thameslink, Southern and Great Northern railways |
| TSH | Tai Shui Hang railway station, Hong Kong |
| TSHX | Tshiuetin Rail Transportation |
| TSKU | N. Y. K. Line |
| TSKU | N.Y.K. Line |
| TSLZ | Transportation Specialists Limited |
| TSNR | Tyson Railroad |
| TSNR | Tyson Railroad Incorporated |
| TSOZ | Tank Solutions |
| TSPX | Texas Sulphur Products |
| TSPZ | TAL International (BNSF Railway) |
| TSPZ | Transamerica Leasing Incorporated |
| TSRD | Twin State Railroad |
| TSRD | Twin State Railroad Company |
| TSRR | Tennessee Southern Railroad |