The Nexus Group, Inc.

ISDN-Net is one of Tennessee s oldest and largest Internet Service providers. The company, located in Nashville, Tenn., serves more than 85 of the state s 95 counties. ISDN-Net provides more than 4,000 customers with broadband internet connectivity, wireless, DSL, ISDN, T-1, T-3, OC3, OC12 and satellite connections. ISDN-Net also provides VOIP, Internet security/firewall systems, VPN, content...