Cynthia Brinkley

AT & T is the global leader in providing local, long distance, Internet, and transaction-based voice and data services. AT&T provides unparalleled quality and reliability in communications services

SBC Communications, Inc. provides telecommunications services primarily in the United States. It offers various services and products, such as local exchange services, wireless communications, long-distance services, Internet services, telecommunications equipment, and directory advertising and publishing services. The company provides landline telecommunications services, such as local, long-distance voice, switched access, data and messaging services, and satellite television services; mobile wireless voice and data communications services; and directory services, such as advertising, Yellow and White Pages directories, and electronic directory publishing

Part of AT&T, Inc., Southwestern Bell Telephone Co. provides telecommunication services. The private company is based in San Antonio, TX.

The Detroit Institute of Arts provides art conservation services to the museums. The museum includes more than 100 galleries, 150-seat auditorium, a 380-seat lecture/recital hall, an art reference library, and a state-of-the-art conservation services laboratory. The company was founded in 1885 and is headquartered in Detroit, MI.