Some of our customers
- Siam Cement (Kaeng Khoi) Co.,Ltd.
- Siam Cement (Lampang) Co.,Ltd.
- Siam Cement Lightweight Aggregate Co.,Ltd.
- Siam Research and Innovation Co.,Ltd.
- Siam Refractory Industry Co.,Ltd.
- SCG Cement Co.,Ltd.- Quarry Division
- Siam City Cement Public Co.,Ltd.
- Asia Cement Public Co.,Ltd.
- Jalaprathan Cement Public Co.,Ltd.
- TY Steel Co.,Ltd.
- Siam Construction Steel Co.,Ltd. (TATA Steel)
- Siam Yamato Steel Co.,Ltd.
- Thai Hansa Welding Electrode Co.,Ltd.
- Gemological Institute of America
- Asian Institute OF Gemological
- The Gems and Jewelry Institute of Thailand (Public Organisation)
- Christian Dunaigre Gems Laboratory
- ICA Gems Laboratory Co.,Ltd.
- PTG Energy Co.,Ltd.
- Shell Fuel Laboratory
- Golden Lime Thailand
- Kampot Cement Co.,Ltd.
- Kammoune Cement Co.,Ltd.
- Mawlamyine Cement Co.,Ltd.
- Shwe Taung Cement Co.,Ltd.
- Than Taw Myat Cement Co.,Ltd.
- Siam City Cement Vietnam Co.,Ltd.
- Vicem Group Vietnam
- Phuc Son Cement JSC Vietnam
- Siam City Cement Lanka Co.,Ltd.
- PT Semen Indonesia (SIG)
- PT Solusi Bangun
- PT Indocement
- Lafargeholcim Philippines
- Republic Cement Philippines
- Cemex Philippines