American Tower is a Real Estate Investment Trust (REIT) that owns, operates and develops wireless and broadcast communication real estate. The company’s primary business is the leasing of space (on multi-tenant communications sites) to companies and organizations which include radio and television broadcast companies, wireless service providers and wireless data and data providers. Examples of their assets include:
Towers
Distributed Antenna System (DAS) networks
Backup power systems
The company also offers project management and site development services for their tenants.