Keurig was founded by coffee lovers who believed that coffee should always be served fresh, whether at home or at the office, just as in a gourmet coffee house. Today, Keurig is the leading single-cup brewing company in the United States. Keurig's patented single-cup brewing system lets people brew a perfect cup of gourmet coffee in less than a minute without the hassle of grinding beans, measuring coffee, handling filters or cleaning up. Keurig - Brewing Excellence One Cup at a Time.