- Da-Mo Company Ltd.
- Pipe Organ/Musical instrument,Re-Building Pipe Organ,Restore Pipe Organ,Donation Pipe Organ,musical instrument.
- Address:# 69-17, Dowon-Dong, Chung-Ku
- Kyu Sung Corporation
- Pipe(Copper,PEX), Measuring Instrument,Thermal Insulation pipe & sheet, Building Interior/Exterior Materials.
- Address:Pureunmaeul Ssangyong Apt. , Sunae-dong, Bundang-gu, Seongnam-SI
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