- Advanced Info Service Public Co.,Ltd.
115-119 Thaphae Rd. – 053-274942-3
- Chiang Mai Technical Engineering
45/1 Moo 3, Chiang Mai-Lampang Superhighway Rd. – 053-210882, 053-221627
- Chiang Mai Telecom HS Five Co., Ltd.
67 Sri Phum Rd. – 053-211738, 053-215773-5
- Eagle GPS Co.,Ltd
Pantip Plaza, Nnit 3108-9, 152/1 Chang Klan Rd. – 053-288060
- Loxley Pagephone
199/11 Chang Khlan Rd. – 053-279589
- Loxleypublic Co., Ltd. (Loxinfo)
43/1 Moo 2, Canal Rd. – 053-400292-3
- Maewang Communication and Electronic Co., Ltd.
Room B 08-11 99/4 Moo 2, Huai Kaew Rd. – 053-894342
- TT & T
230 Moo 7, Chiangmai-Lampang Superhighway Rd. – 053-420024
- Vieng Ping Network and Service Co., Ltd.
211/10 Chang Khlan Rd. – 053-820588-90
