This excerpt taken from the LVLT 8-K filed Mar 3, 2006.
Nature of Operations
WilTel Communications Group, Inc. ("WilTel" and, together with its direct and indirect subsidiaries, the "Company") owns or leases and operates a nationwide inter-city fiber-optic network providing Internet, data, voice and video services to companies that use high-capacity and high-speed telecommunications in their businesses. The Company has also built a fiber-optic network within certain cities in the U.S. and has the ability to connect to networks outside the U.S. The Company operates in two segments, Network and Vyvx.