Who Are the Core Customers of SBA Communications Company?

T-Mobile, AT&T, and Verizon remain SBA Communications customers that drive the largest share of domestic leasing revenue - together accounting for approximately 75 percent of U.S. site leasing revenue as of early 2026. These wireless carriers lease macro sites and rooftop space to achieve nationwide 5G coverage and capacity.

EchoStar (Dish Network) continues scaling 5G footprint as a growing tenant; regional wireless carriers and government agencies lease sites for coverage, public safety, and fixed wireless access. These SBA Communications tenants contribute materially to non-Big-Three revenue and diversification.

SBA Communications core customers are predominantly businesses and institutions - mobile network operators, ISPs, broadcasters, and public agencies - rather than retail consumers. The firm acts as a tower leasing partner and infrastructure supplier enabling carrier network rollout and densification.

Domestically, the Big Three remain the top customers; internationally, SBA Communications serves major regional players in Brazil and South Africa across its portfolio of approximately 39,700 owned or managed sites (2025-2026 scope), enabling rapid deployments for local incumbents. For a detailed customer-centric view see Why Customers Choose SBA Communications Company.

In the US, demand concentrates on suburban and rural densification tied to BEAD funding and a 2026 industry push; carriers are intensifying deployments in 2.5 GHz and C-Band, driving notable activity among SBA Communications core customers and wireless carriers.

Brazil is the top international growth market, representing nearly 30 percent of SBA Communications international tower count; mobile network operators there report 20-25 percent year-over-year mobile data growth, prompting new built-to-suit sites and added tenant equipment.

SBA Communications appears strongest where tower leasing partners and major tenants - national wireless carriers and mobile network operators - concentrate spectrum deployments (2.5 GHz, C-Band) and FWA projects, making the US its revenue and usage hotspot.

Demand is growing fastest in FWA deployments and rural/suburban densification in 2025-2026, plus Brazil's expansion; expect more small cell providers, internet service providers, and enterprise customers to lease space as mobile data consumption rises.

By integrating site development and construction, SBA Communications customers now include carriers seeking end-to-end site delivery and tower leasing partners needing faster rollouts. In 2025 the company marketed turnkey builds to mobile network operators during peak 5G deployment, and in 2026 it piloted edge computing racks at select tower bases to serve autonomous systems and mobile AI workloads.

SBA Communications core customers remain wireless carriers and mobile network operators that lease tower space; tower cash flow margins exceed 70 percent, anchoring returns. The company maintains standardized leasing terms and prioritized capacity for major tenants of SBA Communications towers, keeping contract renewal rates strong among top carriers.

Repeat demand comes from long-term leases with mobile network operators and broadcasters using SBA Communications towers; multi-site deals and co-location increase stickiness. Enterprise customers and internet service providers leasing SBA Communications sites add modest incremental tenancy without changing core tenant mix.

International tower acquisitions plus disciplined U.S. leasing drive growth: aggressive expansion captured 5G site demand while domestic leasing discipline preserved investment-grade metrics. Selective edge computing pilots in 2025 and 2026 complement tower leasing but remain ancillary, protecting the REIT's tower cash flows and margins.