- Hwasung Industry
- Address:Rm.1716 Windstone B/D,275-2, Yangjae-dong
- Winix, Inc.
- Address:3rd Floor, Winix bldg. 35-1 Ujung-dong
- Dong Shin Engineering Co., Ltd.
- Address:Hana Building, 118-5, Nonhyun-Dong, Kangnam-Gu
- DAE WON HOME ELECTRICS CO
- Address:151-2 Chun Eui-dong, Wonmi
- Ecowell
- Address:Gajwadong 291-22
- Saerona Co., Ltd.
- Address:917-4, Hwajeong-dong, Deokyang-gu, Goyang-SI
- Union Medical Co.,Ltd
- Address:Indus. Zone,522-6, Younghyun-dong, Uijeongbu-si, Gyeonggi-di, South Korea
- Seil Rico Co., Ltd.
- Address:JEIL APT,FACTORY ROOM 504,323-1,DANGJUNG-DONG, KUNPO-CITY