- JNK, co. ltd
- Address:2Na-607-1 (106) , 173 gil, Gongdan 1-daero,
- Jokwangok
- Address:302-604 Ilsung3cha Nungsu Apt
- DONGWHA INTERNATIONAL, KOREA BR.
- Address:Kajwa-dong
- Intchem
- Address:8-12 Mangpo-Dong, Yeoungtong-Gu
- Eco Master Corp.
- Address:Kyunggi Provincekwangmyung Sidarae B / D,
- Brian Jo
- Address:Dujung-Dong
- Neofoam Ltd.
- Address:192-1,Yangbeol-ri ,Opo-eup ,Gwangju-si
- Ultraboard Co.,Ltd
- Address:145-4,Bunsu-ri, Gwangtan-myeon ,Paju-si
- Hankuk Haniso Co., Ltd.
- Address:Youngpoong Building 15th FLOOR,33,Seorin-Dong,Jongno-Gu,Seoul,110-752,Korea
- Semiro Inc.
- Address:4th KGIT bldg, #1601,sangam-dong,mapo-gu
- Board Point Korea
- Address:
- Guju Technology,Inc.
- Address:
- foamboardfactory
- Address:# 535
- DITOSS CO LTD
- Address:# 303-2. Daeryung Technotwon II, Kasang-Dong Geumchoen-Gu
- Monis Electronics
- Address:699-22, Naebalsan Dong
- Matra Trade Co.,Ltd
- Address:# 713, No 103, Dongmun Goodmorning Hill, 1305
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