MARUWA CO., LTD. engages in the production and sale of ceramics and electronic parts. The company is headquartered in Owariasahi-Shi, Aichi-Ken and currently employs 1,332 full-time employees. The firm operates through two segments. The Ceramic Components segment manufactures and sells electronic components, ceramic substrates, and products related to semiconductor manufacturing equipment. The Lighting Equipment segment is involved in the production and sale of the lighting equipment that uses light emitting diode (LED) in addition to conventional lighting equipment. The firm is also involved in the business of supporting foundation activities.