GTT Communications (formerly Global Telecom & Technology) provides network integration for wide area network (WAN), dedicated Internet access, and managed data services to system integrators, telecom carriers, and government agencies. GTT combines multiple networks and technologies such as traditional OC-x, MPLS and Ethernet and has distribution partnerships with more than 800 technology suppliers, including iPass for wireless services. Past customers include Avaya, Lockheed Martin, and Telefónica. GTT counts customers in about 80 countries; it earns almost half of its revenues outside the US. Chairman Brian Thompson owns nearly 31% of the company's stock.