| TMG | Table Maintenance Generator 
| Others |
| TMG | Tactical Multinet Gateway
| Others |
| TMG | Tak Matsumoto Group
| Others |
| TMG | Talent Management Group
| Others |
| TMG | Talley Management Group
| Others |
| TMG | Tangible Media Group
| Others |
| TMG | Tasty Minstrel Games
| Others |
| TMG | Tate Music Group
| Others |
| TMG | Taylor McGrath Guitars
| Others |
| TMG | Technology Management group
| Others |
| TMG | Technology Media Group
| Others |
| TMG | Tecno Meccanica Galliera
| Others |
| TMG | Telemediengesetz
| Others |
| TMG | Tennessee Meiji Gaikuin
| Others |
| TMG | Test Message Generator
| Others |
| TMG | The Mac Group
| Others |
| TMG | The Machine Group
| Others |
| TMG | The Mad Gamers
| Others |
| TMG | The Magnus Group, Inc.
| Others |
| TMG | The Management Group
| Others |
| TMG | The Mardrian Group
| Others |
| TMG | The Maritime Group
| Others |
| TMG | The Marketing Game
| Others |
| TMG | The Marketing Group
| Others |
| TMG | The Master Genealogist
| Others |
| TMG | The Mastermind Group
| Others |
| TMG | The Materials Group
| Others |
| TMG | The Media Guides
| Others |
| TMG | The Members Group
| Others |
| TMG | The Meyer Group
| Others |
| TMG | The Mighty Geek
| Others |
| TMG | The Miles Group
| Others |
| TMG | The Millennium Group
| Others |
| TMG | the MLG goats
| Others |
| TMG | The Mod Gamer
| Others |
| TMG | The Music Gallery
| Others |
| TMG | Thermal Meteoroid Garment
| Others |
| TMG | Thiazolylmethylguanidine
| Others |
| TMG | Thomasson Marketing Group
| Others |
| TMG | Threat Management Gateway
| Others |
| TMG | Three Mice Gone
| Others |
| TMG | Three Month Grind
| Others |
| TMG | thymoglobulin
| Others |
| TMG | Timing
| Others |
| TMG | Tiny Meat Gang
| Others |
| TMG | ToastMasters Group
| Others |
| TMG | Tokyo Metropolitan Government
| Others |
| TMG | Tom's Movie Guide
| Others |
| TMG | Tomanggong, Malaysia
| Others |
| TMG | Tomlinson Management Group
| Others |
| TMG | Tonga Musicians Group
| Others |
| TMG | Tony Musical Genius
| Others |
| TMG | Too Much Good
| Others |
| TMG | Too Much Greatstuffinhere
| Others |
| TMG | Too Much Guns
| Others |
| TMG | Toxic Multinodular Goitre
| Others |
| TMG | Toyota Motorsport Germany
| Others |
| TMG | Toyota Motorsport GmbH
| Others |
| TMG | Toyota Motorsport Group
| Others |
| TMG | Traffic Management Group
| Others |
| TMG | Traffic Monitoring Guide
| Others |
| TMG | Trans Media Group
| Others |
| TMG | Transceiver Module Group
| Others |
| TMG | Transitional Management Group
| Others |
| TMG | Transverse Myocutaneous Gracilis
| Others |
| TMG | Tri-Methyl Gallium
| Others |
| TMG | Tri-Methyl Glycine
| Others |
| TMG | trimethylguanosine
| Others |
| TMG | Truck Maintenance Garage
| Others |
| TMG | Truck Mounted Gun
| Others |
| TMG | Trunk Media Gateway
| Others |
| TMG | Two Man Gang
| Others |