AT&T (American Telephone and Telegraph)

AT&T (American Telephone and Telegraph) is a major telecommunications company in the United States. Originally founded in 1885, it played a crucial role in developing telephone service across the country. Today, AT&T provides a range of services including mobile phone service, internet access, and television content. The company has shifted focus from traditional telecom services to offering advanced digital communications and entertainment solutions. AT&T is also known for its significant investments in technology and infrastructure, helping to connect millions of people and businesses nationwide.