SBA Communications trades on the Nasdaq under the ticker SBAC. Indeed, SBA Communications owns 16.5k towers in the United States, which represents 50% of the company’s total, of 32.7k towers globally. The company operates in 10 different markets. Specifically, SBA Communications’ significant markets include the United States, Brazil, and South Africa. SBA Communications’ three largest tenants are T-Mobile (40% of revenues), AT&T (32% of revenues), and Verizon (19% of revenues).