Rexxam Co., Ltd. (formerly RyuSyo Industrial Co., Ltd.) is a Japanese electronics design and manufacturing enterprise founded in 1960 and headquartered in Osaka, Japan. The company operates major domestic manufacturing plants across Kagawa and Ehime prefectures alongside international manufacturing facilities and joint ventures in China, Thailand, India, and the Czech Republic.
Rexxam specializes in the contract manufacturing and proprietary development of complex electronic control boards, inverter control assemblies, and precision electro-mechanical instruments. Its production facilities operate under strict 6S, ISO 9001, and ISO 14001 quality standards, serving global Tier-1 equipment makers in climate control, automotive electronics, and commercial instrumentation.