For more than 50 years, Circle K Stores Inc. has been one of North America's most popular operators of convenience stores. The company has more than 3,300 Circle K stores across the United States and over 4,000 international locations. It offers a variety of products from brands, such as Premium Circle K Coffee, ThirstBuster fountain drinks, beer, snacks and candy, to name a few. In addition, the company provides branded fuels, including Shell, BP, 76, Citgo and Chevron. Circle K Stores Inc. is located in Phoenix, Ariz.