GTA is provides complete communications services on Guam. These include local and long-distance telephone service, wireless, DSL Internet access, advanced digital television, or IPTV, and carrier-class data circuits. The company also operates a data center on Guam for offering business data storage and managed wide area networking. Based in Tamuning, Guam, GTA TeleGuam is privately owned and locally managed. Funds served by Advantage Partners LLP, a Japan-based leading service provider to private equity funds investing in Japan and other global markets, provide financial backing to GTA TeleGuam.