TDS, also known as Telephone and Data Systems, is a publicly owned company headquartered in the US. Founded in 1969, the company, which employs approximately 3670 individuals, reported $5.0B in revenue as of 2024. Operating as a diversified telecommunications company, TDS primarily focuses on telecoms, providing broadband, video, and voice services to communities across the U.S. through its TDS Telecom subsidiary. The company formerly provided wireless services via its 82%-owned subsidiary U.S. Cellular, though a significant portion of its wireless-related assets were sold as part of a recent transaction. Its primary assets include extensive fiber-optic networks and internet and video infrastructure, with Array, another of its businesses, leasing and offering tower space to third-party carriers.