| Abbreviation | Definition |
|---|---|
| TDSL | Tenancy Deposit Solutions Ltd |
| TDSP | Technical Solution Design Professionals |
| TDSP | Thames-Dick Super-aqueduct Partners |
| TDSP | Transmission and Distribution Service Provider |
| TDT | Tucker- Davis Technologies |
| TDT | Tye Dye Tattoo, Inc. |
| TDTI | Tye Dye Tattoo, Inc. |
| TDV | Trans- Dimensional Voice |
| TDV | True Depth Visualization Technologies |
| TDW | T. D. Williamson, Inc. |
| TDX | Tanadgusix Corporation |
| TDX | Tech Data Express |
| TDX | Test Design eXpert |
| TE | Tractor England |
| TE | Tyco Electronics |
| TEA | Trans European Airways |
| TEAC | Tokyo Electro Acoustic Company |
| TEAC | Tokyo Electronic Acoustic Company (company's formal name is TEAC Corporation) |
| TEAK | Training-Experience-Administration-Knowledge |
| TEAL | Tamoil East Africa Ltd |