- KMI Co., Ltd.
- Address:Songpa-dong
- Picotech.Co.,Ltd
- Address:Gwaebeop-dong,Gwaebeop-dong ,Sasang-gu
- GL Group Co.,LTD
- Address:
- N.I.T.T International
- Address:D-Building 307 Oebang - Dong
- Happy And Nice Co., Ltd.
- Address:102 Anam Bd 1061-1 Gwangan 3-Dong Suyoung-Gu, Busan, Korea
- Purisys
- Address:Haengsin Dong
- CUCKOO ELECTRONICS CO., LTD.
- Address:91 Kyo-Dong
- IonFarms Co Ltd
- Address:
- WonYong Co., Ltd. The World's Only Genuine Pi Water Manufacturer.
- Address:#1106, F-dong, Medical-bio Technology Town, Inje University, Eobang-dong
- PSC Filters
- Address:
- J&C Corporation
- Address:407, Center Plaza, 1129-1, Jung 1 Dong, Won Mi Ku,
- ERE WATER, KOREA
- Address:Seo-suk dong, Dong-Gu
- biocera
- Address:A-610, Bundangtechno Park, Bundang Gu, Yatap Dong
- DEWBELL CO., LTD
- Address:222-2 Yangji-ri, Onam-eup
- DAE MYUNG BIO CO LTD
- Address:342-2, Maegok-dong, Buk-gu,
- Marc Lee
- Address:jung-gu
- Micro Bank Co., Ltd.
- Address:20-7,Yongdu-ri ,Gongdo-eup ,Anseong-si
- TOBNET Corporation
- Address:# 1063-10, Hogye-dong, Dongan-gu,
- HOWCG.,
- Address:104-106 Urim Lumiart
- NEGATRON CO LTD
- Address:576-1, Hakjang-Dong