MK Seiko Co., Ltd. engages in the manufacture, sale, import, and export of automobile equipment, information equipment, and household products. It operates through the following segments: Mobility & Service, Life and Support, Housing Equipment, and Other Business. The Mobility & Service segment offers car wash machines, air conditioner fresheners, railroad information display equipment, and construction display equipment. The Life and Support segment provides cooking appliances and food processing machines. The Housing Equipment segment manufactures and sells wood and aluminum composite fittings, reflector-type silencers, and steel fire doors. The Other Business segment includes insurance, real estate management, and hotel businesses. The company was founded in July 1948 and is headquartered in Chikuma, Japan.