| Name | ITU-R | ITU-T | ITU-D | Categories |
| Ministry of Digital Economy and Society, BANGKOK | | | | MINISTRY |
| National Broadcasting and Telecommunications Commission (NBTC), BANGKOK | | | | ADMIN / REGULATOR |
| Advanced Info Service Public Co. Ltd., PHYATHAI, BANGKOK | | | X | ROA / OPERATOR |
| Advanced Wireless Network Company Limited, Bangkok | | | X | ROA / OPERATOR |
| INFOBIP (THAILAND) Co., Ltd., Bangkok | | | X | SIO / SERVICE PROVIDER |
| SENKO Advanced Components (Thailand) Co., Ltd., Bangkok | | | ASSOCIATE SG2 | OTHER ENTITY |
| True Corporation Public Company Limited, BANGKOK | | | X | ROA |
