| Abbreviation | Definition |
|---|---|
| TEIX | Transportation Equipment |
| TEIX | Transportation Equipment Incorporated |
| TELX | ELF Atochem North America Incorporated |
| TELX | Penwalt Carriers Corporation (ELF Atochem North America) |
| TEM | Temiskaming and Northern Ontario |
| TEMX | Temple- Inland Forest Products |
| TEMX | Temple-Eastex |
| TENN | Tennessee Railway |
| TENN | Tennessee Railway Company |
| TERX | Southeastern Industrial Enterprises |
| TERZ | Tacoma Eastern Railway |
| TERZ | Tacoma Eastern Railway Company |
| TEUU | Gulfcoast Transit |
| TEUU | Gulfcoast Transit Company |
| TEXC | Texas Central Railroad |
| TEXC | Texas Central Railroad Company |
| TEXU | Textainer |
| TEXU | Textainer Incorporated |
| TFL | Transport For London |
| TFLU | Trans Freight Lines |