Iharanikkei Chemical (Thailand) Co., Ltd.
4
6
NS-Siam United Steel Co., Ltd
3
9
Rockwool (Thailand) Limited
1
2
Siam Stabilizers and Chemicals Co.,Ltd.
1
2
KLJ Organic (Thailand) Limited.
1
1
MC-TOWA International Sweeteners Co.,Ltd / MCLS Asia Co., Ltd
1
4