| Abbreviation | Definition |
|---|---|
| GBC | General Binding Corporation |
| GBC | Georgia Banking Company |
| GBC | Gillies Brothers Coulonge |
| GBC | Glass Beads Company |
| GBC | Global Business Company |
| GBC | Gordon Bernard Company |
| GBC | Greenfield Banking Company |
| GBC | Gundam Broadcasting Company |
| GBCL | Global Beverage Company Limited |
| GBFL | GAC Bunker Fuels Ltd |
| GBFL | Godrej Beverage and Foods Ltd |
| GBFL | Goenka Business Finance Ltd |
| GBG | God's Best Gifts |
| GBGLF | Great Basin Gold Ltd fka |
| GBHC | Great Bay Holdings Corp |
| GBHD | Global Holdings, Inc. |
| GBI | Garner Baseball Inc |
| GBI | Ghilotti Bros Inc |
| GBI | Global Bike Inc |
| GBI | Goodfellow Bros Inc |