| TGG | IEEE proposed standard P802.11 Task Group G 
| Others |
| TGG | Kuala Terengganu, Malaysia
| Others |
| TGG | Talents du Grand Genevois
| Others |
| TGG | Tariq Gidar Group
| Others |
| TGG | Technology Governance Group
| Others |
| TGG | Temperature Gauge
| Others |
| TGG | Templated Grain Growth
| Others |
| TGG | Templeton Global
| Others |
| TGG | Templeton Global Growth
| Others |
| TGG | Terbium Gallium Garnet
| Others |
| TGG | Tha Gangsta Girls
| Others |
| TGG | That Great Guy
| Others |
| TGG | The Gate Guardian
| Others |
| TGG | The Geotechnical Group, Inc.
| Others |
| TGG | The Gilbertson Group
| Others |
| TGG | The Goal Getters
| Others |
| TGG | The Goathouse Gallery
| Others |
| TGG | The Goldstein Group
| Others |
| TGG | The Good Guys
| Others |
| TGG | The Goodbye Group
| Others |
| TGG | The Gotvil Group
| Others |
| TGG | The Grappling Game
| Others |
| TGG | The Great Game
| Others |
| TGG | The Great Gatsby
| Others |
| TGG | The Greatest Good
| Others |
| TGG | The Green Grid
| Others |
| TGG | The-Green-Goddess.com
| Others |
| TGG | Therapeutics Guidelines Group
| Others |
| TGG | Thumbnail Gallery Generator
| Others |
| TGG | Tonalitic Granodioritic Granitic
| Others |
| TGG | Top Gear Garage
| Others |
| TGG | Toughest Girls of the Galaxy
| Others |
| TGG | Transformational Generative Grammar
| Others |
| TGG | Triple Graph Grammar
| Others |