- Idaho Brewing & Malting Co.
- Idaho Brewing Co.
- Illinois Brewing Co.
- Imperial Beverage Co.
- Imperial Brewing Co.
- Independent Brewing & Malting Co.
- Independent Brewing Assn.
- Independent Brewing Co.
- Independent Brewing Co.
- Independent Brewing Co.
- Independent Home Brewing Co.
- Independent Koenig Brewing Co.
- Indianapolis Brewing Co.
- Indianapolis Brewing Co.
- Inland Brewing & Malting Co.
- International Breweries, Inc.
- International Breweries, Inc.
- International Brewing Co.
- Inter-State Brewing Co.
- Iron City Brewing Co.
- Ironwood Brewing Co.
- Iroquois Beverage Corp.
- Iroquois Brewing Co.
- Isengart Brewing Co.
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