| Abbreviation | Definition |
|---|---|
| TLRN | Tellurian, Incorporated (de-listed) |
| TLRN | Tellurian, Incorporated (de-listed) |
| TLRW | Tellurian, Inc. Warrants |
| TLRW | Tellurian, Incorporated Warrants (de-listed) |
| TLRW | Tellurian, Incorporated Warrants (de-listed) |
| TLSP | Telespectrum Worldwide, Inc. |
| TLSP | Telespectrum Worldwide, Incorporated (de-listed) |
| TLSP | Telespectrum Worldwide, Incorporated (de-listed) |
| TLSRP | Telos Corporation of Maryland |
| TLSXF | Telepanel Systems, Inc. |
| TLTG | Teltran International Group, LTD. |
| TLTM | Teletimer International, Inc. |
| TLTN | Teltrend, Inc. |
| TLTX | Tultex Corporation |
| TLWN | Trim-A-Lawn Corporation |
| TLXAF | Toolex International, N. V. |
| TLXN | Telxon Corporation |
| TLXS | Telaxis Communications Company |
| TLXT | Telemetrix, Inc. |
| TMAM | Team America Corporation |