AT&T Inc.

AT&T Inc. builds and operates networks carrying high-speed wireless, fiber internet and integrated communication services for consumers and enterprises. Founded in 1885, the company established the first long-distance telephone network, transmitting speech over electrical wires, and today runs 5G wireless and fiber infrastructure across the United States. It is headquartered in Dallas, Texas, and employs over 200,000 people, connecting millions of individuals, businesses and devices each day.

Technical work spans telecommunications networks, 5G wireless technology, fiber internet infrastructure, cybersecurity, AI-driven security, cloud-based solutions and digital services. The company's product portfolio includes its 5G wireless network for personal and enterprise use, high-speed fiber internet for homes and businesses, integrated communication solutions, AI-driven security technology and cloud-based digital services for enterprises.

AT&T operates across several industry verticals: telecommunications, enterprise communications, consumer wireless and internet, and public safety communications for first responders. The company has been in operation for nearly 140 years.

Beyond its network operations, AT&T runs supplier diversity programmes and educational initiatives and provides support for first responders. The company states a mission built on the belief that "connecting changes everything", with an emphasis on advancing network technology, cybersecurity and digital services.