| Abbreviation | Definition |
|---|---|
| GKN | Gkn |
| GKN | Guest, Keen and Nettlefolds |
| GKO | Greenko |
| GKP | Gulf Keystone |
| GLB | Glanbia |
| GLE | Gleeson (Mj) |
| GLEN | Glencore |
| GLIF | Greenwich Loan |
| GLOB | Global Inv S |
| GLOK | Glbal Lck Grp |
| GLTR | Globaltrans S |
| GMA | Gma Resources |
| GMG | Game Group |
| GMNT | Gottex Market |
| GMRB | Gen.motors Bdrs |
| GMX | Reliance Gen. |
| GNC | Greencore Group |
| GNC | Greencore Grp. |
| GNG | Geong |
| GNK | Greene King |