SBA Communications Corporation (SBA) is a holding company that has no operations of its own. SBA conducts all of its business operations through SBA Telecommunications, Inc. (Telecommunications), in which it holds an outstanding capital stock. Telecommunications owns interests in SBA Senior Finance, Inc. (SBA Senior Finance) and its international entities. The Company segments include site leasing, site development consulting, and site development construction. As of December 31, 2010, the Company owned and operated wireless communications towers in the United States and its territories. In addition, the Company owned towers in Canada, Costa Rica, El Salvador and Panama. Space on these towers is leased primarily to wireless service providers. As of December 31, 2010, the Company owned 9,111 tower sites. During the year ended December 31, 2010, its leasing business, contributed 97.5% of its total segment operating profit.