Mason Ale Works - Oceanside (CA)
MateVeza Yerba Mate Ale - San Francisco (CA)
Mammoth Brewing Company - Mammoth Lakes (CA)
Manhattan Beach Brewing Company - Manhattan Beach (CA)
ManRock Brewing - Grover Beach (CA)
Manzanita Brewing Company - Santee (CA)
Mare Island Brewing Company - Vallejo (CA)
Malibu Brewing Company - Malibu (CA)
Back Street Brewery - Lamppost Pizza - Vista (CA)
Madewest Brewing Company - Ventura (CA)
Main Street Brewery/Lamppost Pizza - Redlands (CA)
MacLeod Ale Brewing Company, LLC - Van Nuys (CA)
Mad Duck Craft Brewing Company - Fresno (CA)
Mad Fritz - ST Helena (CA)
Mad River Brewing Company - Blue Lake (CA)
Lumberyard Brewing Company - Sonora (CA)
M.Special Brewing Company - Goleta (CA)
Lucky Devil Brewing - Berkeley (CA)
Lucky Luke Brewing Company - Palmdale (CA)
Los Gatos Brewing Company - Los Gatos (CA)
Lost Coast Brewery Cafe - Eureka (CA)
Long Beach Beer Lab - Long Beach (CA)
Longship Brewing Company - San Diego (CA)
Loomis Basin Brewing Company - Loomis (CA)
Loma Brewing Company - LOS GATOS (CA)
Local Craft Beer - Tehachapi (CA)
Lodi Beer Company - Lodi (CA)
Little Miss Brewing - San Diego (CA)
Little Tree Brewing - Grover Beach (CA)
Liurijun Biersch Brewery Restaurant - Burbank - Burbank (CA)