Bitter Root Brewing - Hamilton microbrewers of Winter Warmer, IPA, Porter, Sawtooth, Nut Brown, and Amber Ale. Includes hours, brewing process, merchandise and beer information. Blackfoot River Brewing Company - Located in historic downtown Helena. History and brewing philosophy, descriptions, philanthropic activities, merchandise, list of distributors and retailers, and information on tap room. Lewis & Clark Brewery - Microbrewery in Helena. Tells about the business, their beers, and visiting their taproom. Also offers online sale of gifts and souvenirs. Black Star Brewing Company - A double-hopped golden lager from Whitefish, Montana. Includes background on the company. Bayern Brewing - German microbrewery located in Missoula. Big Sky Brewing Company - Missoula brewers of Moose Drool Brown, Scape Goat Pale, Slow Elk Oatmeal Stout, and Powder Hound Winter Ale. Provides beer styles, news, store, and virtual tour. Kettlehouse Brewing Company - Missoula microbrewers of Kettlehouse Porter, Kettlehouse Amber, Kettlehouse Pale Ale, Big Pipes Scotch Ale, Ginseng Pale Ale, Pumpkin Ale and Olde Bongwater Hemp Porter. Includes souvenirs, retailer list and background. Yellowstone Valley Brewing Company - Billings brewery using the waters of the Yellowstone River to create ales named after hand-tied flies. Includes product descriptions and company information. Bozeman Brewing Company - Includes owner's profile, product descriptions and directory of establishments serving products.