- Prime Mineral Group
- Address:333/107 Moo 3 Chiangmai- Doisaket
- John Group
- Address:12/13 Moo12,Bangteenped
- Sri Phok Phun Partnership Ltd.
- Address:19 Moo 5 Jom Pon Por Road Talin Chan, Bang Pa Inn
- Jipasong Trading Co., Ltd
- Address:126 Moo 1, Phayakeaw, Chiangklang
- RonKaton (Thailand) Co Ltd
- Address:75/1 Saladaeng Rd
- IAA Group
- Address:126/51 Soi. 6 Kamnanman Road, Bangkhuntein Jomthong,
- Lamphun Chaicharoen/ Kota Corporation
- Address:268/22 moo4, t-pasak
- Culmination Internation Co., Ltd
- Address:153/145 M.8 Nongjom-Sansai
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