| Abbreviation | Definition |
|---|---|
| GBP | Global Pet. |
| GBR | Global Brands |
| GCL | Geiger Counter |
| GCLA | Grupo Cl.s |
| GCM | Gcm Resources |
| GCO | Green Comp |
| GCP | Gcp Infra. |
| GDG | Green Drag Di |
| GDL | Greka (Di) |
| GDP | Goldplat |
| GDWN | Goodwin |
| GEC | Gen.electric |
| GED | Global Energy Development, P.L.C. |
| GEEC | Great Eastern |
| GEM | Gemfields |
| GEMD | Gem Diamonds Di |
| GEO | Gart.eur.it |
| GET | Grn En S |
| GETA | Grn En 144A |
| GETS | Groupe Euro. |