| Abbreviation | Definition |
|---|---|
| GK | Glass-Kapton |
| GLA | Gap Light Analyzer |
| GLAC | GEA Large Air-Cooled unit |
| GLAH | GEA Large Air-cooled Heat pump |
| GLCU | GEA Large Condensing Unit |
| GLI | Gas Light Illumination |
| GLO | General Lubricating Oil |
| GLS | Great Local Shops |
| GLT | Gross Less Tare |
| GLV | Glob Valve |
| GLW | Glow |
| GLWC | GEA Large Water Cooler |
| GLWH | GEA Large Water-cooled Heat pump |
| GLWM | Gyoury Light Wall Mount |
| GLWT | Georgia Loaded Wheel Tester |
| GMB | Glock Marksman Barrel |
| GMEE | GoldMine Enterprise Edition (CRM) |
| GMGT | Gas Monkey GT |
| GMPs | Good Manufacturing Practices |
| GMRY | Grocery Manufactures Representatives of Youngstown |