Advanced Info Service Public Company Limited
Advanced Info Service (AIS) is the top Thailand mobile telecommunication company with 54% revenue market share. As of December 2010, the Company registered 31.2 million mobile subscribers, representing 45% subscriber’s market share. With over 20 years of operation, AIS continues to deliver excellent service to Thai community through superior network covered more than 97% nationwide. Founded in April 1986, AIS became the first company allowed to operate on the GSM 900 frequency.