Advanced Info Service Public Company Limited operates as a mobile phone network company primarily in Thailand.
Intouch Holdings Public Company Limited, through its subsidiaries, engages in the satellite, Internet, telecommunications, and media and advertising businesses.
True Corporation Public Company Limited, together with its subsidiaries, engages in the telecommunications and diversified communications industries in Thailand.
Total Access Communication Public Company Limited, together with its subsidiaries, primarily provides wireless telecommunications services in Thailand.
Jasmine International Public Company Limited provides telecommunications services to individual and corporate clients in Thailand.
Thaicom Public Company Limited, together with its subsidiaries, provides transponder services for domestic and international communications.
Samart Telcoms Public Company Limited engages in the fully-integrated telecommunications, communication network, and information technology businesses in Thailand.
Interlink Telecom Public Company Limited provides telecommunication services through fiber optic network in Thailand.