| Crown Castle International Corp. (CCIC) owns, operates and leases towers and other communication structures, including certain rooftop installations (collectively, towers), for wireless communications. The Company's core business is renting space on its towers via long-term contracts in various forms, including license, sublease and lease agreements. Generally, CCIC's towers can accommodate multiple customers (co-location) for antennas and other equipment necessary for the transmission of wireless signals for mobile telephones and other devices. Revenues derived from this site rental business represented 93% of its consolidated revenues during the year ended December 31, 2007. As of December 31, 2007, CCIC owned, leased or managed approximately 23,800 towers. The Company has over 21,800 towers. It also has approximately 1,400 towers in Australia, and the remainder of its towers are located in Puerto Rico and Canada. |
