| Abbreviation | Definition |
|---|---|
| TMS | Target Market Systems |
| TMS | Tesco Merchant Services |
| TMS | The Miracles of Science |
| TMS | The Miracles of Science |
| TMS | Travelcat Messaging Services |
| TMS | Tribune Media Services |
| TMSC | Thai Manufacturing Support Company |
| TMSC | Toshiba Medical Systems Corporation |
| TMSDK | Trelleborg Marine Systems Denmark |
| TMSI | Technology Management Staffing Inc |
| TMSI | Telephony Managed Solutions Inc |
| TMSI | Test Measurement Systems Inc |
| TMSI | Texas Metal Spinning, Inc. |
| TMSI | Texas Metal Spinning, Incorporated |
| TMSL | Thameswey Maintenance Services Ltd |
| TMT | Telecom Media Technology |
| TMT | The Master Trunks |
| TMTI | Talk Me Through It |
| TMTMG | TMT Media Group |
| TMU | Tooling & Manufacturing Unlimited, Inc. |