- NPK/Kumi 3工場
- Lotte fine chemical
- Kum-Ho Petrochemical
- Lotte Chemical
- Moorim ERI Biomaterials
- LG Chemical
- Daesang Gihung plant
- CORNING Precision Material Co.,Ltd
- Cheil Industries Inc.
- Korea Cement Jangseong工場
- COSMO Chemical
- Neo Performance Materials
- 昭栄化学工業株式会社
- Ha-dong火力発電所
- BEFESA Zinc Korea
- DC Chemical Co.,Ltd.
- Chosun Refractories Pohang
- Hyundai Cement Co.,Ltd.
- Doosan電子
- Daesang
- KCC Daejuk
- ASIA添加株式会社
- Daesang Corporation
- KCC Gimcheon工場
- KCC Deajuk
- Hyundai Steel
- JH Chemical
- Hyoseok Co. ltd.
- Dow Korea/Waeschele
- GS Caltex Plastic China
- Eco Service Korea
- Dongho Calcium
- Global Tech~Posco Chem-Tech
- Global Tech~Samsung Corning
- JS Tech
- ECOPRO BM
- DAESANG/Kunsan
- Hanil Cement Co., Ltd
- KCC Jun Ju Plant
- COSMO