Crown Castle Inc (NYSE: CCI) is a U.S. wireless infrastructure company that owns and leases tower assets to wireless carriers and other tenants. It makes money through site rental revenues, collecting fees from tenants who attach their antenna equipment to Crown Castle's towers under long-term lease agreements. The company operates as a real estate investment trust (REIT), requiring it to distribute the substantial majority of taxable income as dividends. As of the FY2025 10-K filed February 23, 2026, the company was in the process of selling its Fiber Business, narrowing its focus to its tower portfolio. Key tenants include major U.S. wireless carriers; the filing specifically references Sprint cancellations and the termination of agreements with DISH as material revenue items. The business carries significant debt and maintains an investment-grade credit profile, as noted in its FY2025 disclosures.

Revenue model

Site rental revenues from long-term tenant leases on wireless towers. Tenants pay recurring fees to mount antenna equipment on Crown Castle's tower infrastructure. The company is structured as a REIT and pays dividends from operating cash flow.

Products and services

Wireless tower ownership and leasing. The company was also divesting its Fiber Business as of the FY2025 filing period.

Customers and end markets

U.S. wireless carriers are the primary tenants. The filing references Sprint cancellations and terminated agreements with DISH as specific customer-related revenue impacts. End market demand is driven by wireless data consumption and carrier network investment.

Value-chain role

Passive wireless infrastructure owner and landlord. Crown Castle owns the tower assets and leases space to carriers, who install and operate their own antenna equipment.

Geographic exposure

United States. The filing focuses on the U.S. tower market with no material international operations referenced in the excerpts.

Source: SEC 10-K, filed 2026-02-23

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