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.
- http://www.yellowstonevalleybrew.com/

Lang Creek Brewery
- Marion brewer of Skydiver Blonde, Spotted Bear Golden, Good Medicine Brown, and Tri-Motor Amber Ale. Includes history, news, awards, gift shop, and beer information.
- http://www.langcreekbrewery.com/

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.
- http://www.kettlehouse.com/

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.
- http://www.blackfootriverbrewing.com/

The Black Star Brewing Company
- Whitefish. Includes background, product descriptions, web cameras, electronic postcards, and virtual tour.
- http://www.blackstarbeer.com/

Bitter Root Brewing
- Hamilton microbrewers of Winter Warmer, IPA, Porter, Sawtooth, Nut Brown, and Amber Ale. Includes hours, brewing process, merchandise and beer information.
- http://www.bitterrootbrewing.com/

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.
- http://www.bigskybrew.com/

Bayern Brewing
- German microbrewery located in Missoula.
- http://www.bayernbrewery.com/