| Abbreviation | Definition |
|---|---|
| GA | Grade Analysis |
| GABM | Global Analystics Bridge Management |
| GAE | Gerling Applied Engineering |
| GAE | German Audio Engineering |
| GAEC | Gafat Armament Engineering Complex |
| GAEE | Geomatics and Environmental Engineering |
| GAEP | Gulf Application Engineering and Packaging |
| GAMES | Girls Advancing in Math Engineering and Science |
| GATE | Graduate Aptitude Test Engineering |
| GBSE | Green Buildings and Sustainable Engineering |
| GC | Gunned Concrete |
| GC | Gypsum Concrete |
| GC3N4 | Graphitic Carbon Nitride |
| GCE | Gutierrez Canales Engineering |
| GCM | Gravity Concrete Mixer |
| GCS | Grade of Crushed Stone |
| GD | Gravity Discharge |
| GD | Gravity Dosing |
| GDCE | Global Data Center Engineering |
| GDE | Green Diesel Engineering |