Sierra Nevada Brewing Co. | 57,731 followers on LinkedIn. 100% Family Owned, Operated & Argued Over... still Proudly Independent | Quality, Integrity, People, Community and Sustainability These are not just words, but a cultural lifestyle and commitment at Sierra Nevada Brewing Co. Our mission is the same as it has been since Sierra Nevada started in 1980 with a humble hand-built brewhouse - to produce and market the finest ales and lagers possible and to do it responsibly. Today Sierra Nevada Brewing Co. is America’s longest-running craft startup, and boasts the number-one best-selling craft brand in the country—the legendary flagship, Sierra Nevada Pale Ale.