Guinness - Dublin, Ireland
High Sierra Brewing Co - Carson City, NV
Great Basin Brewing Co. - Reno, NV
Sierra Nevada - Chico, CA
Russian River - Santa Rosa, CA
Lagunitas - Petaluma, CA
Barrio Brewing Co - Tucson, AZ
Klamath Basin Brewing Co - Klamath Falls, OR (Geothermally produced beer!)...