Crown Castle Inc. specializes in owning, managing and leasing shared wireless infrastructure. Net sales break down by activity as follows:
- renting of spaces (93.6%): renting of spaces on towers and rooftops (more than 40,000 units owned at the end of 2023), distributed antenna systems (DAS; networks of antennas for the benefit of wireless carriers and connected by fiber to communication hubs designed to facilitate wireless communications) and on third party towers to wireless communications companies;
- other (6.4%): primarily network services (antenna installation, architectural and engineering services, fiber installation, etc.).