Crown Castle owns and operates wireless communication towers and fiber infrastructure, leasing space on its towers and fiber networks to wireless carriers who need infrastructure to operate their cellular networks. As a real estate investment trust, the company distributes most of its taxable income to shareholders as dividends, generating revenue from long-term lease agreements with wireless carriers who need tower space and fiber connectivity to operate their networks. Its tower business benefits from multi-tenant leasing, where several different wireless carriers can lease space on the same physical tower structure, letting Crown Castle generate multiple revenue streams from a single tower asset. Crown Castle's growth is tied to wireless carriers' network investment and expansion needs, including the ongoing buildout of newer wireless technologies that often require additional tower-mounted equipment and fiber connectivity beyond what earlier network generations needed.