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China Mobile Communications is a wireless winner. With more than 450 million customers, it is the largest wireless network operator in the world in terms of subscribers (ahead of China Unicom at home and surpassing UK-based wireless giant Vodafone Group on the global stage). China Mobile Communications operates primarily through its publicly- listed operating subsidiary China Mobile Limited which provides wireless services under the GoTone and M-Zone brands in 31 regions of mainland China. In addition to mobile voice and data services in China, it offers international roaming access through agreements with network operators worldwide. The company is controlled by China's Ministry of Information Industry.

China Unicom (Hong Kong) Limited has brought competition to the world's largest telecommunications market. The Chinese government set up China Unicom in 1994 as the first competitor to another government-owned telecommunications monopoly. The state-controlled company provides long- distance, broadband data, and mobile communications services in 31 provinces, cities, and other regions throughout China. It is the country's #2 mobile phone operator behind former monopoly China Mobile Communications. Subsidiary China Netcom is China's #2 provider of fixed-line communications carrier behind China Telecom. It operates primarily in the northern provinces; major cities served include Beijing and Tianjin.

Clearwire operates a mobile broadband network that provides services to some 680,000 subscribers primarily in the US and Europe.Clearwire company offers such services as high-speed Internet access and computer telephony. Its service areas cover more than 60 markets located mainly along the West Coast and in Texas, Florida, North Carolina, and the Midwest. Clearwire serves international broadband users in Belgium, Germany, Ireland, Poland, Spain, and Mexico. In addition, wholesale partners resell Clearwire's services as part of their bundled branded offerings for subscribers. More than 85% of the company's sales come from the US.

COM DEV International Ltd company designs and manufactures a variety of space hardware subsystems, including microwave and optical components for use in communications, space science, remote sensing, and military satellites. COM DEV's equipment and instruments enable telecommunications services, geographic mapping, and pollution monitoring. The company's blue-chip client roster includes major aerospace and communications companies, such as Alcatel-Lucent, Boeing, Lockheed Martin, Mitsubishi Electric, Northrop Grumman, and Space Systems/Loral. COM DEV gets about 45% of its sales in North America.

Con-Space Communications designs and manufactures radio communications equipment for people working in confined spaces and for public safety personnel. The company's products include miniature two-way radios with throat microphone attachments for use inside face masks and other protective clothing. Con-Space serves clients including municipal fire and law enforcement departments and the military. The company operates from offices in the UK and the US. Turret Oy AB, the company's majority shareholder, bought out Con-Space's remaining shares in 2009, taking the company private. Con-Space operates as part of the SAVOX Communications Group, which includes affiliated companies in Finland and the UK.

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