| Abbreviation | Definition |
|---|---|
| TDF | Tactical Delta Force |
| TDNZ | TAL International (BNSF Railway) |
| TDNZ | Transamerica Leasing Incorporated |
| TDPZ | Transport International Pool |
| TDPZ | Transport International Pool Incorporated |
| TDRU | TAL International |
| TDSZ | Transamerica Distribution Services |
| TDSZ | Transamerica Distribution Services Incorporated |
| TE | Tacoma Eastern Railway |
| TE | Tacoma Eastern Railway Company |
| TE&Y | Train, Engine and Yard |
| TEAU | Teakdecking Systems |
| TEAX | Transportation Equipment |
| TEAX | Transportation Equipment Incorporated |
| TECO | Teamo-Tacoma Railroad (Lincoln Pacific Railway) |
| TECX | Texas Crushed Stone |
| TEDS | Train Energy and Dynamics Simulator |
| TEGX | Transenergy Grinding |
| TEGX | Transenergy Grinding Incorporated |
| TEHU | Trans Ocean Container Corporation |