Level 3 (R) Communications Incorporated, founded in 1985 and based in Broomfield, Colorado, operates one of the largest communications and Internet backbones in the world. The firm operates 39,500 intercity route miles. It also provides clients with access to IP networks encompassing 77,000 intercity route miles. The company maintains data centers worldwide. It serves 200 markets in the United States and 32 markets in Europe. Level 3 Communications offers residential, business, and government customers Internet access, virtual private network (VPN), co-location, managed Ethernet access, voice communication, video delivery, and other services. The firm includes wholesale, content, business, and European business units. The Wholesale Markets group provides service providers with data, voice, and video services. The Content Markets unit offers rich media content owners with high-volume, distributed broadcasting and advertising services. Level 3 Business Markets offers regional businesses, local service providers, and regional carriers a variety of network access and voice and data communications services. Level 3 European Markets offers global telecommunications and content providers transatlantic connectivity and bandwidth optimization services. Level 3 Communications acquired Genuity in 2003; WilTel in 2005; and Progress Telecom, ICG, TelCove, Looking Glass Networks, and Broadwing in 2006. Level 3 Communications was founded as the Kiewit Diversified Group Incorporated (KDG) subsidiary of Peter Kiewit Sons Incorporated (PKS). The company acquired its current name in 1998. It went public in the same year and is listed on NASDAQ under the LVLT symbol.