Telephone and Data Systems

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Telephone and Data Systems, Inc.
Company typePublic
S&P 600 component
IndustryCommunications services
Headquarters30 North LaSalle
Chicago, Illinois, U.S.
Key people
LeRoy T. Carlson, Jr., President & CEO
ProductsLocal wireline and wireless telecommunication services, Internet services
RevenueDecrease$5.104 billion USD (2016)[1]
Number of employees
9,900[2] (2018)
SubsidiariesU.S. Cellular (84%)
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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 (NYSEUSM) and OneNeck IT Solutions.[3]

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]


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