| Abbreviation | Definition |
|---|---|
| GBA | GlobalBanc Advantaged 8 Split Corporation |
| GBI | Global Railway Industries Ltd. |
| GBI | Global Railway Industries LTD. (de-listed) |
| GBI | Global Railway Industries LTD. (de-listed) |
| GBP | Global Banks Premium Income Trust |
| GBT | BMTC Group Inc. |
| GBT | BMTC Group Incorporated |
| GBU | Gabriel Resources, LTD. |
| GBV | Groupe Bikini Village inc. |
| GBV | Groupe Bikini Village Incorporated (de-listed) |
| GBV | Groupe Bikini Village Incorporated (de-listed) |
| GBX | iPath GBP/USD Exchange Rate ETN |
| GBX | iPath Great Britain Pound/United States Dollar Exchange Rate Exchange Traded Notes |
| GC | Great Canadian Gaming Corporation |
| GCE | Grande Cache Coal Corporation |
| GCG | Guardian Capital Group Limited |
| GCL | Colabor Group Inc. |
| GCL | Colabor Group Incorporated |
| GCM | Gran Colombia Gold Corp. |
| GCM | Gran Colombia Gold Corporation |