Richardson

It is home to the University of Texas at Dallas and the Telecom Corridor, with a high concentration of telecommunications companies. More than 5,000 businesses have operations within Richardson's 28 square miles (73 km2), including many of the world's largest telecommunications and networking companies, such as AT&T, Verizon, Cisco Systems, Samsung, ZTE, MetroPCS, Texas Instruments, Qorvo, and Fujitsu. Richardson's largest employment base is provided by the insurance industry, with Blue Cross and Blue Shield of Texas's headquarters, a regional hub for the insurance company GEICO, regional offices for UnitedHealth Group#UnitedHealthcare, and one of State Farm Insurance's three national regional hubs located in the community.