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Virgin Mobile USA is a no-contract mobile provider on the nationwide Sprint network.
Pend Oreille Telephone Company is a Glenns Ferry, ID-based company in the Telecommunications sector.
AT&T Inc. is an American multinational telecommunications corporation headquartered in Whitacre Tower, downtown Dallas, Texas AT&T is the largest provider both of mobile telephony and of fixed telephony in the United States, and also provides broadband subscription television services. AT&T is the third-largest company in Texas (the largest non-oil company, behind only ExxonMobil and ConocoPhillips, and also the largest Dallas company). As of May 2013, AT&T is the 21st largest company in the world by market value, and the 13th largest non-oil company. As of 2013, it is also the 21st largest mobile telecom operator in the world, with over 107.9 million mobile customers.
Supra Telecom is a Miami, FL-based company in the Telecommunications sector.
As a leading technology and solutions development organization, the Alliance for Telecommunications Industry Solutions (ATIS) brings together the top global ICT companies to advance the industrys most pressing business priorities. ATIS nearly 200 member companies are currently working to address 5G, the All-IP transition, network functions virtualization, cybersecurity, big data analytics, cloud services, device solutions, emergency services, M2M, network evolution, quality of service, billing support, operations, and much more. These priorities follow a fast-track development lifecycle -- from design and innovation through standards, specifications, requirements, business use cases, software toolkits, open source solutions, and interoperability testing. ATIS is accredited by the American National Standards Institute (ANSI). ATIS is the North American Organizational Partner for the 3rd Generation Partnership Project (3GPP), a founding Partner of the oneM2M global initiative, a member and major U.S. contributor to the International Telecommunication Union (ITU), as well as a member of the Inter-American Telecommunication Commission (CITEL).