Best Buy Co. Inc. is a multinational retailer of entertainment products, consumer electronics, home office products and appliances. Based in Rockford, Ill., the firm operates retail stores as well as conducts online retail operations under a variety of brand names, including Best Buy, Best Buy Mobile, The Carphone Warehouse, Five Star, Future Shop, Geek Squad and more. It offers a range of products, such as mobile phones, cameras, camcorders, computers, global positioning systems (GPS), office products, video games and home appliances.