American Tower is a holding company. Through its subsidiaries, the company is a real estate investment trusts and an independent owner, operator and developer of multitenant communications real estate. The company's primary business is the leasing of space on communications sites to wireless service providers, radio and television broadcast companies, wireless data providers, government agencies and municipalities and tenants in a number of other industries. The company also provides tower-related services, including site acquisition, zoning and permitting and structural analysis, which primarily support the company's site leasing business, including the addition of new tenants and equipment on its sites.

EchoStar is a holding company. Through its subsidiaries, the company is a global provider of broadband satellite technologies, broadband internet services for home and small office customers, satellite operations and satellite services. The company operates in two business segments: Hughes, which provides broadband satellite technologies and broadband internet services and broadband network technologies, managed services, equipment, hardware, satellite services and communications solutions; and EchoStar Satellite Services, which uses certain of the company's owned and leased in-orbit satellites and related licenses to provide satellite service operations and satellite services.