- Daehwa P. C. Co., Ltd.
- Address:Deoksan-ri, Samjuk-myeon, Anseong Si
- Lotus International Co., Ltd
- Address:310, Bucheon Plaza, 313-10, Wonjong Dong, Ojung Gu
- BOST HOLDINGS
- Address:948-27, You-il B / D, Dogok-Dong, Gangnam-Gu
- H-Plus
- Address:6F, j-Tower, Seokdhon-dong, Songpa-gu
- Unisource Incorporated
- Address:You-il B / D, Dogok-Dong 948-27, Gangnam-Gu
- I World Trading co.,Ltd
- Address:Dongjak Gu
- Jangam Energy Co., Ltd.
- Address:312-1, Gasan-Ri Gasan-Myeon
- Synoils Korea Inc.
- Address:
- sangjae corporation
- Address:2F. , # 528-3, BUPYUNG-5DONG, BUPYUNG-KU,
- Trako Corp.
- Address:
- IRE Aromatix
- Address:108-1405 KeukDong Apt. 105 Sadang-Dong
- Link Int'l corp
- Address:Pundang
- Petrofinder
- Address:# 608, Ace Tower 3,197-48, Guro-dong,
- DAERYO INTERNATIONAL INC
- Address:16-35, Choi-ro 92-gil
- Sischem Korea Corp.
- Address:773-5, Yeoksam 2-dong, Gangnam-gu
- rits-korea
- Address:# 1712, 1338-21 Seochodong Seochogu
- SolarPark Korea Co., Ltd.
- Address:855-1 Dunsan-ri, Bongdong-wup, Jeollabuk-do, Other, South Korea
- WITHUS Global Co., Ltd
- Address:4th Floor, Jung-Ho Bldg. , 839-10 YeakSam-dong, GangNam-gu,
- Yoohwa Corporation
- Address:603-Ho, Ilsin B / D, 668-2, Jwacheon-1dong, Dong-Gu
- EKOS. Co., Ltd.
- Address: