Byeong-Gon Yoo

Korea Rail Network Authority engages in the construction and management of railroads. Its products and services include high speed railway construction, conventional intercity and urban rail network building, trans-korea railway and oversea rail projects, and railway facilities management. The company was founded on July 29, 2003 and is headquartered in Daejeon, South Korea.

Korea Expressway Corp. engages in construction and management of expressways. It operates through following business divisions: Domestic and Overseas Business and International. The Domestics Business division offers expressway construction and maintenance, and traffic management. The Overseas Business division provides project management, Value engineering, public private partnership, intelligent transport system, and operations and maintenance. The International division encompasses international cooperation and Invitational programs. The company was founded on February 15, 1969 and is headquartered in Gimcheon, South Korea.