Advance Info Service PCL (AIS; also Advanced Info Service) is Thailand's largest GSM mobile phone operator with 12.7 million customers as of September 2003. Founded in March 1990 and acquiring Shinawatra Paging in June 1992 , the highly profitable company is controlled by the Shin Corporation , headed by Thailand's prime minister Thaksin Shinawatra.
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Last updated: 05-09-2005 19:15:46
