Kobayashi Yoko Co., Ltd. engages in the commodity futures trading activity in Japan. The company also engages in the exchange margin trading activities; sale of gold bullion; provision of life and non-life insurance services; sale of solar power generation machines and LED lighting products; wholesale of electrical installation materials for advertising; and operation of golf courses. In addition, it is involved in the rental of properties, such as business hotels and one-room apartments; advertising agency business, including SEO consulting services; and sales of computer hardware and software. The company was founded in 1913 and is headquartered in Tokyo, Japan.