- Woory Industry
- Address:516-1,YONGDUCK-RI,Giheung-eup ,Yongin-si
- Green Way Co.,Ltd.
- Address:Nogok-ri ,Yangseong-myeon ,Anseong-si
- Shin Poong Global
- Address:#21-4, Gyoungsin-ri, Nam-myun
- Il Sung Corporation
- Address:917,Wonsan-ri ,Onsan-eup ,Ulju-gun
- REXVA
- Address:245, Yadong-Dong
- Yana P.
- Address:Kyeyang-gu
- TAEIN ELECOM
- Address:Rm904, Hiport Bldg, 830-2, Bangwha-Dong
- JNK Heaters Co., Ltd.
- Address:A-1012, Woolim Lions Valley, 371-28, Gasan-Dong, Geumcheon-Gu, Seoul, 153-803, Korea.
- MGA International
- Address:447-1
- DADASI ONDOL. IND.
- Address:Gwarim-dong 533
- MERCIA INC.
- Address:# 102, KOIMEX BLDG. 352-3, Seokyo-dong, Mapo-gu
- ghgocompany
- Address:16-13 Odho Ree
- Energy Korea Inc.
- Address:1048-1, Yongjeong-ri, Ganghwa-eup
- woorihouse
- Address:Mapo-gu
- PASECO CO. Ltd.
- Address:724-1 Wonsi-dong, Danwon-gu
- SOULROOT
- Address:33-4, Gyeongwon-dong1ga, Wansan-gu
- REXVA CO LTD
- Address:# 245 Yadong-dong,
- SE YANG INTTERNATIONAL CORP.
- Address:2F 336-11,SONGNAE-DONG SOSA-KU BUCHEON CITY KYUNGGIDO,KOREA
- Shilla Fire Co., Ltd.
- Address:22B-8L,Nonhyeon-dong ,Namdong-gu
- Choil Thermal Oil Heater Co., Ltd.
- Address:2NA 309 SHIWHA INDERSTRIAL COMPLEX,Jeongwang-dong ,Siheung-si