Telephone and Data Systems

Telephone and Data Systems, Inc. is a Chicago-based telecommunications service company providing wireless products and services; cable and wireline broadband, TV and voice services; and hosted and managed services to approximately 6 million customers nationwide through its business units TDS Telecom and U.S. Cellular (NYSE: USM).^[3]

Telephone and Data Systems, Inc.

Company type	Public
Traded as	NYSE: TDS S&P 600 component
Industry	Communications services
Founded	1969; 56 years ago (1969)
Headquarters	30 North LaSalle Chicago, Illinois, U.S.
Key people	LeRoy T. Carlson, Jr. (president & CEO)
Products	Local wireline and wireless telecommunication services, Internet services
Revenue	$5.104 billion USD (2016)[1]
Number of employees	9,900[2] (2018)
Subsidiaries	U.S. Cellular (84%)
ASN	4181
Website	www.tdsinc.com

The company began as a rural phone company in Wisconsin in 1969. In 1983 it founded U.S. Cellular as a subsidiary. In 2001, it acquired Straus Printing Company and combined it with a previously acquired printing company, Suttle Press, to form Suttle-Straus as another subsidiary.^[4]

LeRoy T. Carlson, the founder of TDS, died in May 2016 at the age of 100.^[5]