Swisscom - Services to residential and business customers in Switzerland. Hong Kong CSL Limited - Operates a dual band mobile network through 1O1O and One2Free. Pre-paid mobile services, international roaming services, WAP, HSCSD and GPRS. Sprint - Provides wide array of digital and analog wireless communication services, including mobile telephone and two-way radio dispatch, paging and alphanumeric short-messaging services. (NYSE:S) O2 - European mobile phone network provider, offering mobile phones and services, and range of tariffs. Cellular One Group - A network of independent providers partnering under one brand. Crown Castle International - Builds wireless infrastructure for carriers, including towers and rooftops. MobileOne Singapore - GSM and CDMA carrier in Singapore, providing SMS and WAP. Unicom - Cellular carrier in Alaska. South Central Communications - Provides coverage to Southern and Central Utah. NTT DoCoMo, Inc. - Major Japanese mobile provider. Includes corporate structure, research and development, and consumer shopping. Southern LINC - Provides a digital wireless network for two-way radio, phone service, numeric and text paging and mobile data . Includes service plans, coverage details and a facility to purchase online . Vimpel-Communications - Mobile phone service provider in Russia. Includes SEC filings, informational statements, and news releases. Content in Russian and English. (NYSE: VIP) Virgin Mobile USA - Mobile voice and data service to the USA. Cellular South - Provides cellular phone services in the southeast United States. Includes information on calling plans. Vodafone Group - Worldwide provider of mobile telecommunications. Includes information on services, pricing, roaming, and coverage. T-Mobile US, Inc. - Wireless phone company providing cell phones and cellular calling plans in the United States. Teligent AB - Develop services and systems that enable network operators to offer a wide range of value-added services to their customers. Includes platforms and applications, support, and investor data from Stockholm, Sweden. Fido - Canadian wireless voice and Internet provider. Verizon Wireless - Offers cell phones, PDAs, wireless mobile phone plans, data plans in the United States and parts of Mexico and Canada. Wireless from AT&T - Provides mobile voice and data communication services. Includes rate plans, equipment, and area coverage maps. U.S. Cellular - Offers cellular services, to both residential and commercial customers. Harris CapRock - Remote satellite telecommunications firm. Voice and data services offered for mobile and remote connectivity. (Nasdaq: CPRK). Rogers - Wireless carrier in Canada using the TDMA and GSM systems. Telephone and Data Systems, Inc. - Provides local telecommunication services develops cellular phone and paging operations. Investor relations, careers and company divisions headquartered in Chicago, Illinois. (AMEX: TDS)