Chamber Music Society, New York, NY
Seoul City Museum, Seoul ,Korea
Seoul National University Museum, Korea
Sam Pyo Corporation, Seoul ,Korea
WhanKi Museum, Seoul , Korea
Ho Am Art Museum, Seoul, Korea
Byuck San Corporation, Seoul, Korea
Triton Museum, Santa Clara, CA
San Jose Museum of Art, San Jose, CA
Korean Cultural Service, New York, NY
National Museum of Contemporary Art, Korea
Korea Exchange Bank, New York, NY
Dae-Woo America, Inc., San Francisco, CA
Metallion Corporation, San Francisco, CA
Kangwon Inc., Seoul, Korea
Pacific Bell Co., San Francisco, CA
Sam Yang Corporation, Seoul, Korea
Bank of America, Sacramento, CA
Inje University, Pusan, Korea
Ilshin, Inc., Seoul, Korea
Posco Center, Seoul, Korea
Hyo Sung Co., Ltd., Seoul, Korea