Hae-Gyu Yang

HUDIGM Architects & Engineering Co., Ltd. is a holding company, which provides construction, civil engineering, and construction management services. Its business areas are Architectural Design/Far East District (FED), Construction Management, Civil Engineering, and Green Environment Business. The Architectural Design/FED business provides building design development and construction and the United States military base relocation services. The Construction Management business offers project management services for construction industry. The Civil Engineering business constructs infrastructures such as road, sewage system, and railroad. The Green Environment Business provides services including biomass cogeneration, mechanical-biological treatment, and research and development of new renewable energy. The company was founded on May 24, 1984 and is headquartered in Seoul, South Korea.

Dongwoo Engineers & Construction Co., Ltd. is a South Korean company that was founded in 1993 and provides architectural services.

Korea Minting & Security Printing Corp. provides banknotes and government documents printing services. The company is based in Daejeon, South Korea. The South Korean company is ultimately controlled by the Government of South Korea.