| Imagine Nation Brewing Co. | MIssoula, Montana |
| IMBĪB Custom Brews | Reno, NV |
| Imperial Oak Brewing | Willow Springs |
| Imprint Beer Co | Hatfield |
| Improvise Brewing | Portland, Oregon |
| In'finiti Fermentation & Distillation | Portland |
| InBev | Leuven, Belgium |
| Inbound Brew Company | Minneapolis |
| Incendiary Brewing Company | Winston-Salem, North Carolina |
| Indeed Brewing Company | Minneapolis, Minnesota |
| Independence Brew Pub | Philadelphia, Pennsylvania |
| Independence Brewing Co | Austin, Texas |
| Independent Fermentations Brewing | |
| Inderøy Gårdsbryggeri | Inderøy, Norway |
| Indian Wells Brewing | Inyokern, California |