AT&T 

Operating on a global scale, AT&T Inc. delivers a diverse range of telecommunication, media, and technology solutions. Its Communications division is responsible for providing wireless voice and data connectivity. This includes the sale of mobile devices such as smartphones, wireless data cards, and other computing devices, along with accessories like carrying cases and hands-free equipment. These products are distributed through AT&T's proprietary retail stores, authorized agents, and various third-party retailers. Additionally, this segment offers comprehensive services to multinational corporations, small and mid-sized businesses, governmental bodies, and wholesale clients. These services encompass data, voice, security, cloud solutions, outsourcing, and both managed and professional services, alongside customer premises equipment. For residential users, the division also supplies high-speed fiber broadband and traditional landline voice communication services. Its communication products and services are marketed under prominent brands including AT&T, Cricket, AT&T PREPAID, and AT&T Fiber. AT&T's Latin America segment concentrates on providing wireless services in Mexico and video services across the wider Latin American region. The offerings within this segment are promoted using the AT&T and Unefon brand names. The company, incorporated in 1983, was formerly known as SBC Communications Inc. before officially changing its name to AT&T Inc. in 2005. Its corporate headquarters are situated in Dallas, Texas.