AT&T, established in 1983 and headquartered in the United States, is a publicly owned multinational telecommunications provider. As of 2023, it employs over 224,380 people and generates annual revenue exceeding $1 billion. The company offers a comprehensive range of services, including mobile phone plans, internet access, and television services. AT&T stands as one of the largest telecommunications companies globally and has a rich history of pioneering advancements in the industry.