AT&T, Inc. provides telecommunication services and products, including wireless communications, local exchange services, long-distance services, data/broadband and Internet services, video services, telecommunications equipment, managed networking and wholesale services. It operates business through four reportable segments: Wireless, Wireline and Other. The Wireless segment operates comprehensive range of high-quality nationwide wireless voice and data communications services in a variety of pricing plans, including postpaid and prepaid service plans. It also sells handsets, wirelessly enabled computers and personal computer wireless data cards manufactured by various suppliers for use with voice and data services. The Wireline segment provides both retail and wholesale communication services domestically and internationally. Its wireline services into three product-based categories: voice, data and other. The Other segment includes equipment, outsourcing, government-related services, customer information services and satellite video services. The security service includes business continuity and disaster recovery services as well as premise and network based security products. The company was founded in 1876 and is headquartered in Dallas, TX.