AT&T Inc. is a leading multinational telecommunications holding company headquartered in Dallas, Texas, and founded in 1983. It primarily operates through its Communications segment, delivering wireless services, broadband internet, and voice solutions to over 100 million U.S. consumers and nearly all Fortune 1000 businesses. Key offerings include nationwide 5G mobile networks, multi-gigabit fiber internet known for its speed and reliability, and secure connectivity platforms tailored for enterprise needs. The Latin America segment provides wireless services in Mexico, extending AT&T Inc.'s reach into international markets. The company excels in wired and wireless telecommunications, internet service provision, and business solutions, serving residential, commercial, and government sectors. AT&T Inc. plays a pivotal role in the U.S. as one of the largest wireless carriers and the biggest fiber internet provider, underpinning critical infrastructure for connectivity across mobile, broadband, and advanced networking technologies.