Company Story
1990 - Advanced Info Service Public Company Limited (AIS) was founded as a subsidiary of the Thai conglomerate, Intouch Holdings.
1993 - AIS launched its first commercial GSM 900 MHz mobile phone service in Thailand.
1995 - AIS expanded its network to cover all 76 provinces in Thailand.
2001 - AIS was listed on the Stock Exchange of Thailand (SET).
2004 - AIS launched its 3G (UMTS) mobile phone service.
2011 - AIS launched its 3G (HSPA+) mobile broadband service.
2014 - AIS launched its 4G (LTE) mobile phone service.
2016 - AIS launched its 4G+ (LTE Advanced) mobile phone service.
2019 - AIS launched its 5G (NR) mobile phone service.