Byeong-Soo Oh

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.

New Seoul Railway Corp. operates as a holding company that provides railway construction and maintenance services. The company was founded in December 2010 and is headquartered in Seoul, South Korea.