| Grimbergen | France |
| Grimfrost | |
| Grimm Artisanal Ales | Brooklyn |
| Grimm Brothers | Loveland |
| Grist Brewing Company | Highlands Ranch, Colorado |
| Grist House | Pittsburgh, PA |
| Gritty McDuff's Brewing Company | Portland, Maine |
| Grizzly Bay Brewing | Suisun City, California |
| The Grizzly Paw Brewing Company | |
| Grizzly Peak Brewing | Ann Arbor, Michigan |
| Grolsch Bierbrouwerij N.V. | Enschede, Netherlands |
| Grolsche Bierbrouwerij | Enschede, Netherlands |
| Ground Breaker Brewing | Portland, OR |
| Grumpy Troll Restaurant and Brewery | Mount Horeb, Wisconsin |
| Grüner Bier | Bayern, Germany |