- Dae Kwang Engineeing
- Address:362-1,Soha 2-dong ,Gwangmyeong-si
- Seodo I&C
- Address:Room204, HanBit building, 747-20, yeuksam-dong, kangnam-ku
- Dongwoo Ind.
- Address:552 Hwasimri, Soyangmyun,
- Faran Industrial Co., Ltd.
- Address:# 666-3, Pungdeokcheon-Dong
- Helia International Korea
- Address:
- I-YES Co., LTD
- Address:36-13, Gangsong-ro 113beon-gil
- Asung Enterprise Co Ltd
- Address:
- GMGlobal
- Address:Anyangworld 3F 900-10 Anyang3-dong
- HANYANG CHEMICALS
- Address:39-22BOGWANG RO 1128 BEON GIL GWANGTAN MYEON
- Century La
- Address:277-17,Seongsu-dong 2-ga ,Seongdong-gu
- OZONKOREA
- Address:3F, World Plaza 1262, GURO-DONG,
- DEC ENGINEERING CORPORATION CO LTD
- Address:Hana Building, 5th Floor, 118-5, Nonhyeon-Dong, Kangnam-Gu
- HANMI
- Address:1381-5, Jungwang-dong
- In the forest
- Address:E-Re Building, 1669-9, Seocho-Dong,
- HYUNDAI TRADE CORPORATION
- Address:# 402 Hyosung Intellian officetel, 230-7 Suyu-dong
- Kwan Korea CO.,Ltd
- Address:Shipjunp-Dong 563-3 Bupxenog-Gu
- SYS HiTEK Co., Ltd.
- Address:10-2, Hoiryong-ri, Baebang
- Chungho Nais Co., Ltd.
- Address:10F. Nais B / D 1597-2 Seocho3-dong, Singye-ri, Iwol-myeon, Jincheon-gun
- ValueIN Co., Ltd.
- Address:#202, Juhan B/D, 834-45, Yuksam1-Dong, Kangnam-Gu,
- BlueN
- Address:# 3102, Energy & Environment Research Center, KAIST, 373-1, Kusung-Dong, Yusung-Gu, Daejeon-City, Korea