2012  KDN New Office Building

2011  KEC New Office Building

2011  Sejong City Government Complex

2011  Yangpyeong Rehabilitation Hospital

2010  Rural Development Administration

2010  Songdo I-Tower

2006  Garden 5

2005  National Digital Libray

2004  IT Complex

2004  Ohsong Life Sceince Town

2002  Goyang InternationalExhibitionCent.

2002  Pohang City Hall

2002  Dalsung District Hall

2001  Namdo Performing Art Center

2001  Air-Force Club

2001  Yongin City Multi-functional Complex

2001  Gwangjin DistrictCent. & AssemblyHall

1993  Yujin Building