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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.
DT Corporation (IDT), is a multinational holding company with operations primarily in the telecommunications industry. The Company operates in two segments: Telecom Platform Services and Consumer phones Services, which comprise its IDT Telecom division. Telecom Platform Services provides telecommunications services, including prepaid and rechargeable calling products and international long distance traffic termination, as well as various payment services. Consumer Phone Services provides consumer local and long distance services in the United States.
Covad, a Platinum Equity company, is a leading national provider of integrated voice and data communications.
Nectar Services Corp delivers business value through the development of innovative solutions which enable IT organizations with actionable information to adapt to change, manage complexity, and transform their infrastructure. Our flagship offering, Nectar Converged Management Platform (CMP), was uniquely designed with business services in mind. It empowers management, business, and technical resources with the essential information they need to make decisions, and as a foundation to facilitate the alignment of business and IT initiatives. Leveraging the power of Nectar CMP positions you to transform your infrastructure, free-up critical resources and improve service delivery across integrated voice, data, video, and application solutions.
C Spire is an advanced technology company that delivers customer-inspired, nationwide wireless network services, business solutions and 1Gbps Fiber to the Home Internet / HDTV / VOIP.