CenturyLink, Inc. operates as an integrated telecommunications company in the United States. The company provides local and long-distance, network access, private line, public access, broadband, data, managed hosting, colocation, wireless, and video services to residential, business, governmental, and wholesale customers. It also provides local access and fiber transport services to local exchange carriers and security monitoring. In addition, the company offers cloud hosting, network, and voice services; and information technology, Internet, multi-protocol label switching, Ethernet, satellite digital television, and voice over Internet protocol services. Further, it provides integrated services digital network, wide area network, and switched access services; data integration services, including sale of telecommunications equipment to customers for use on their premises; and related professional services, such as network management, installation and maintenance of telecommunication and data equipment, and building of proprietary fiber-optic networks for governmental and other business customers. Additionally, the company leases and subleases space in its office buildings, warehouses, and other properties. As of December 31, 2012, it operated approximately 13.7 million access lines in 37 states and served approximately 5.8 million broadband subscribers; and operated 54 data centers in North America, Europe, and Asia. The company was founded in 1968 and is headquartered in Monroe, Louisiana.