Electronics
Haitai Electronics, Heesung Metal, Homecast Co., Ltd, Hynix Semiconductor Inc., Isu Group, Korea Electronics Co., Ltd., LG Electronics, Inc., LG Innotek, Orion Electric Company, Samsung Electro-Mechanics
Machinery
Cores Korea, Daedong, Daewoo Heavy Industries and Machinery Co. Ltd., Hankook EDM, Keyang Electric Machinery Co., Ltd., Samsung Heavy Industries Co., Ltd., Seo Young Tech Co., Ltd., Tongmyung Heavy Industries Co., Ltd.
Cera E and C Co.,Ltd.
Maker of ceramic fibers, heaters, bricks, burner tiles, refractory anchors and installation, and kilns.
Duk Shin Precision Mfg. Co., Ltd.
Builder of plastic injection molds for manufacturing applications. Locations in Gunpo City, Hwaseong County and Jangseong County.
Jun Tech Co.
Manufactures and engineers processing and packaging machinery for the food product industry.
Korea Aerospace Industries, Ltd.
Manufactures aircrafts and satellites. Headquartered in Seoul with locations in Daejeon and Gyeongnam province. [Korean, English]
NK Co., Ltd.
Manufacturer and system integrator of fire protection equipment and high-pressure gas cylinders. Headquartered in Busan, with operations in Seoul and overseas. [Korean, English, Chinese, Japanese]
Siemens Korea
Subsidiary of the global electronics and engineering concern. [Korean, English]
Sina Optical Co., Ltd.
Maker of various magnifying glasses, lenses, prisms and mirrors for educational use.
Tae Sung Heavy Equipment Co., Ltd.
Filters for heavy construction equipment, vehicles and other industrial applications. [English, Korean]
Winiamando Inc.
Manufacturer of home and car climate control systems. [Korean, English]