Ericsson

one of Sweden's largest companies, is a provider of telecommunication and data communication systems, and related services, covering a range of technologies, including especially mobile networks. Ericsson is currently the world's largest mobile telecommunications equipment vendor with a market share of 35%.Directly and through subsidiaries, Ericsson also has a major role in mobile devices and cable TV and IPTV systems. Ericsson was also the inventor of Bluetooth.