| Rank | Abbreviation | Meaning |
|---|
| ***** | TGMS | Thermosensitive-Genic Male Sterility
| |
| ***** | TGMS | Trainable Gun Mount System
| |
| ***** | TGMS | Toxic Gas Monitoring System
| |
| ***** | TGMS | tris-acryl gelatin microspheres
| |
| **** | TGMS | Third Generation Mobile System
| |
| **** | TGMS | Third Generation Mobilising System
| |
| *** | TGMS | Third Generation Mobilizing System
| |
| *** | TGMS | Third Generation Mobilisation System
| |
| *** | TGMS | Track Geometry Measurement System
| |
| *** | TGMS | Total Gas Management System
| |
| ** | TGMS | Tucson Gem and Mineral Show
| |
| ** | TGMS | Tomoka Gem and Mineral Society
| |
| ** | TGMS | Tucson Gem & Mineral Society
| |
| ** | TGMS | Teuk Gong Moo Sool
| |
| ** | TGMS | Thomas Grover Middle School
| |
| ** | TGMS | Topeka Gem and Mineral Society
| |
| * | TGMS | Thomas Greenway Middle School
| |
| * | TGMS | The Georgia Mineral Society
| |
| * | TGMS | Tidewater Gem & Mineral Society
| |
| * | TGMS | The Great Model Search
| |
| * | TGMS | Trading Grid Messaging Service
| |
| * | TGMS | Toll Gate Middle School
| |
| * | TGMS | Temple Gardens Mineral Spa
| |
| * | TGMS | Turftrax Ground Management Systems
| |
| * | TGMS | TransGear Media Server
| |