Producer of maintenance-free automotive batteries. Offices in Seoul and Gumi. [Korean, English, Japanese]

Makes alternators, starters, wiper motors, horns, ignition coils, fuel pump motors, door lock actuators, trunk lid openers, combimeters, and sensors. Headquartered in Changwon with locations in Seoul and Hongseong.

Maker of lead-acid, maintenance free, sealed, and traction automobile and industrial batteries. Provides product guideline and online service manuals. Headquartered in Seoul with locations in Osan and Gyeongju. [Korean, English]

Halogen, xenon, and heavy duty bulbs manufacturer, headquartered in Seoul.