Array Digital Infrastructure, Inc. is a U.S. tower owner and operator that leases tower space and related services to wireless carriers; as of December 31, 2025 it owned 4,450 towers across 19 states, held $1,079.0 million in gross PPE, employed about 60 people, and was largely reshaped in 2025 by the sale of its wireless operations to T-Mobile, leaving the business anchored by TDS ownership (82%) and a Master License Agreement with T-Mobile.