Pabst Brewing Company is an American brewery founded in 1844 by Jacob Best and was originally called Best Brewing. The company is known for its Pabst Blue Ribbon (PBR) beer brand, which has become a cultural icon in the United States. Pabst Brewing Company has gone through several ownership changes and has faced financial difficulties in the past, but has managed to stay afloat and maintain its popularity among beer drinkers. In recent years, the company has expanded its product line and has acquired other beer brands.