Dong-Hyun Kim

Kukdong Engineering & Construction Co., Ltd. provides heavy construction services. Its construction services include roads, bridges and dam construction. The firm also offers water supply and sewage treatment facilities, reservoirs and sea dikes, as well as land reclamation services. The company was founded on April 28, 1947 and is headquartered in Busan, South Korea.

Toray Chemical Korea, Inc. engages in the manufacture and sale of textiles and chemical products. It offers filament, staple fiber, filter, film, aramid, and melt-blown. It operates through Fiber and Non-fiber Business divisions. The Fiber division provides textiles for industrial use, clothes, and others. The Non-fibre division offers filter and film for filtering and packaging. The company was founded on July 1, 1972 and is headquartered in Gumi-si, South Korea.

Green Entech Co., Ltd. provides water treatment services. The private company is based in Seoul, South Korea.

Woongjin Polysilicon Co., Ltd. develops and supplies solar-grade polysilicon for photovoltaic modules. The firm also engages in solar power business. The company was founded on July 16, 2008 and is headquartered in Sangju, South Korea.

Taesung TNR Co. Ltd. manages sports facilities and amusement park. The private company is based in Bucheon, South Korea.