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Telephone and Data Systems, Inc. is a Chicago-based telecommunications service company providing wireless, local- and long-distance telephone, broadband and video services to approximately 7 million customers in 36 states through its business units TDS Telecom and U.S. Cellular. The company began as a rural phone company in Wisconsin in 1969. In 1983 it founded U.S. Cellular as a subsidiary.
CapRock delivers world-class communications to customers with critical operations anywhere in the world.
Cbeyond is the Technology Ally for small and mid-sized businesses. We enable our customers to focus on their core business activities by shifting the burden of IT infrastructure management to us. We deliver cloud services, communications and connectivity through award-winning enterprise data centers and a private, IP enterprise network. Founded in 1999, Cbeyond is a technology service provider with a long history of delivering technology and service innovation for small and mid-sized businesses.
Virtutone Networks Inc is a publicly traded company listed on the Toronto venture exchange under the symbol VFX.
RNK Communications is one of the leading companies in the Telecommunications sector.