B. Eric Sivertsen

Mediacom LLC operates as a holding company with interest in providing cable and Internet access services. The company was founded in July 1995 and is headquartered in New York, NY.

TeleCom Towers LLC owns and operates wireless communications towers. The joint venture company is based in Arlington, VA.

InSite MediaCom LLC offers billboards for advertisements. It also provides sites to wireless operators for the placement of wireless arrays or antennas. The company is headquartered in Plantation, FL.

RCC Consultants, Inc. provides consulting and engineering services. It helps public and private sector clients around the world with their needs assessment, conceptual design, specifications, project and program management, procurement, funding, implementation, testing and operations needs. The firm specializes in interoperable radio systems, microwave and optical networks, broadband data, information systems, enterprise telecommunications systems, and communications and dispatch centers. The company was founded in 1983 and is headquartered in Woodbridge, NJ.

Liberty Towers LLC develops and acquires wireless communications towers. The company was Founded by Michael E. Hofe, B. Eric Sivertsen and Clark T. Madigan and is headquartered in Rockville, MD.

Chesapeake Towers Development, LLC is a Washington, D.C. area based communications tower management company formed to manage wireless communications towers in the continental United States. Chesapeake's managers and operating professionals have over 130 years of combined experience in the wireless and communications tower industries. Currently Chesapeake is the manager of Liberty Towers, LLC (Liberty), which develops and acquires wireless communications towers in the continental United States.

Wireless Networks Group, Inc. provides financial management and strategic planning services. The company is headquartered in Frederick, MD.

CIG Wireless Corp. develops, operates and owns wireless and broadcast communication towers in the United States. Its business consists of leasing antenna space on multi-tenant communication sites to wireless service providers. The company was founded on 12 February, 2008 and is headquartered in Wellington, FL.