Sierra Nevada Brewing Co. is an American craft brewery founded in 1980 by Ken Grossman and Paul Camusi in Chico, California. It is known for its commitment to quality and sustainability, using natural ingredients and environmentally friendly practices. The brewery gained popularity with its flagship beer, Sierra Nevada Pale Ale, which helped define the American craft beer movement. Today, Sierra Nevada operates a second brewery in North Carolina and offers a wide range of beers, including seasonal and limited-edition brews. The company is recognized for its innovative brewing techniques and has received numerous awards for its products, contributing to the growth of the craft beer industry.