| Abbreviation | Definition |
|---|---|
| GTZ | Gesellschaft für Technische Zusammenarbeit, GmbH |
| GU | General Utility |
| GU | Grand Union |
| GU | Guardian Unlimited |
| GUC | Global Unichip Corp |
| GUC | Global Unichip Corporation |
| GÜD | Göttinger ÜberwachungsDienst, GmbH |
| GUE | Global Underwater Explorers |
| GUFF | Going Under Fan Fund |
| GUM | Glavniy Universalniy Magazin (Main Department Store) |
| GUP | Global Ultimate Parent |
| GUS | Garrett Utility System |
| GV | Gear Vendors |
| GV | Global Vantage |
| GVC | Grapevine Visual Concepts |
| GVE | Germin Video Electronics |
| GVE | Global Village Escapes |
| GVEC | Guadalupe Valley Electric Cooperative |
| GVEG | Goulburn Valley Environment Group |
| GVEP | Global Village Energy Partnership |