FiberTower Corp is a provider of facilities-based backhaul services to wireless carriers. As of December 31, 2008, the Company provided services to 6,096 billing customer locations in 13 markets; had customer agreements with six wireless carriers in the United States; held a master service agreement with Verizon Business as their fixed wireless partner on the General Services Administration Networx contract, and owned a national spectrum portfolio of 24 gigahertz (GHz) and 39 gigahertz wide-area spectrum licenses, including over 740 megahertz in the top 20 United States metropolitan areas and, in the aggregate, approximately 1.55 billion channel pops calculated as the number of channels in a given area multiplied by the population, as measured in the 2000 census, covered by these channels.