Advanced Info Service
|Traded as||SET: ADVANC|
|Founded||24 April 1986 in Thailand|
|Headquarters||414 Intouch Tower Phaholyothin Road, Samsen Nai, Phayathai, Bangkok, Thailand|
|Revenue||BT฿81.59 Billion (2010)|
|Profit||BT฿14.74 Billion (2010)|
|Total assets||BT฿109.9 Billion (2010)|
|Total equity||BT฿53.06 Billion (2010)|
Advanced Info Service PCL is Thailand's largest GSM mobile phone operator with 35 million customers as of March 2013.  Founded in April 1986, AIS started off as a computer rental business. In October 1990, it launched analog 900 MHz mobile phone services with a 20 year monopoly concession from the Telephone Organization of Thailand, and later became the first company allowed to operate on the GSM 900 frequency. Followed by acquiring Shinawatra Paging in June 1992.
The highly profitable company is controlled by the Intouch plc (formerly Shin Corporation), headed by Temasek Holdings, a Singapore government owned agency. AIS is listed on the Stock Exchange of Thailand on 5 November 1991 . As of 23 December 2011, InTouch plc holds 40.45% of the total shares of the company and Singapore Telecommunications (also majority held by Temasek together) together with Thai Trust Fund and OCBC Nominees holds a 23.32% stake.
- Advanced Contact Center Company Limited (ACC) - Operate AIS Call Center 1175 and 1148
- Advanced Datanetwork Communications Company Limited (ADC) - Provide Online Data Communication service via telephone lines under the name "Datanet", licensed by TOT
- DataNetwork Solutions Company Limited (DNS) - Provide Online Data Communication service via telephone lines under the name "Datanet"in the provincial area.
- Digital Phone Company Limited (DPC) - Operator of "GSM 1800" (acquire from SAMART Corporation)
- Advanced Wireless Network (AWN) - Operator of "AIS 3G 2100" Provide 3G mobile service on 2100 MHz frequency.
Services and coverage
As of March 2013, AIS is the largest network in Thailand with 35 million subscribers. (Coverage Map)  In addition to post pay services, AIS offers prepaid services under the 12Call brand. The worldwide access number for the AIS call center is +66-2271-9000.
Currently data is provided in both time based and volume based packages, with daily unlimited packages starting at 49 THB.
Current logo, changed on 29 September 2011
- Advance Info Service (2010). Annual Registration Statements 2009 (in Thai). Retrieved 23 June 2010.
- Advance Info Service (2010). Annual Report 2009. p. 27.
- Advance Info Service (2010). "2009 Consolidated Financial Statement". Retrieved 23 June 2010.
- Sirivish Toomgum (9 2011). "AIS to double 3G users". The Nation. Retrieved 12 September 2012.
- Job TopGun, Advanced Info Service PLC. ,
- AIS corporate website, click on "About AIS", "Company profile", and then "1990"
- "ADVANC Company Profile". Stock Exchange of Thailand. Retrieved 23 June 2010.
- "Page 42 - Shareholding structure - AIS 2011 Annual Report". Retrieved 7 April 2012.
- "Shin to sell more of AIS to Singtel". Retrieved 7 April 2012.
- "Temasek's acquisition of Shin Corp". Straits Times. 25 January 2006. Retrieved 23 June 2010.
- "DTAC Slow Plays 3g Roll Out". Bangkok Post. Retrieved 15 March 2013.
- "Notification on changing the Company logo and brand repositioning". Advance Info Service. 29 September 2011. Retrieved 11 November 2011.