| Abbreviation | Definition |
|---|---|
| TIF | Tiffany & Company |
| TII | Thomas Industries, Inc. |
| TIN | Temple Inland, Inc. |
| TIR | China Tire Holdings, LTD. |
| TJX | T J X Companies, Inc. ( T J Maxx) |
| TK | TeeKay Shipping Corporation |
| TKA | Telekom Austria, A. G. American Depositary Receipts |
| TKC | Turkcell Iletisim American Depositary Receipts |
| TKF | Turkish Investment Fund, Inc. |
| TKM | Merrill Lynch & Company, Inc. |
| TKP | Technip- Coflexip American Depositary Receipts |
| TKR | Timken Company |
| TKS | Tomkins, PLC. American Depositary Receipts |
| TL | Empresas Telex Chile, S. A. |
| TLB | Talbots, Inc. |
| TLD | Tele Danmark A. S. |
| TLI | Travelers Corporate Loan Fund, Inc. |
| TLK | P T Telekomunikiasi Indonesia |
| TLM | Talisman Energy, Inc. |
| TLMPA | Talisman Energy, Inc. Preferred A |