Circle K was founded in 1951 when Fred Hervey bought three Kay’s Food Stores in Texas. In 1975 there were already over 1,000 Circle K retail centers, and in 1979 the business managed to extend into Japan too. Today, Circle K represents the nation’s leading convenience store chains with 3,300 locations in USA and 4,000 in foreign countries such as Mexico, Japan, Guam and China. Circle K offers a wide variety of products, from financial services to pay as you go phones. The average annual sales of Circle K franchise network is worth $10 billion.