There are 3 main Mobile Network Operators in Thailand, which hold about 97% market share. In addition to the large 3, there are several smaller MVNO networks. There are more coming, and some going, but these are companies where you can actually buy a SIM card.
Here is a list as of date of publication:
- AIS or Advanced Info Service
Brands: 12Call, YOU!, mPay
Parent : Intouch Holdings, Temasek
- True Move
- MyCAT – From CAT
- FINN Mobile ( was Line Mobile ) – From DTAC