Kobayashi Yoko Co., Ltd. operates in the investment and financial services business in Japan. It offers commodity futures and exchange margin trading, gold bullion sales, life and non-life insurance agency services, and sells solar power generation machines and LED lighting products. The company also wholesales electrical equipment materials for advertising, operates golf courses, and is involved in property rental, real estate transactions, and internet advertising including SEO, site production, and consulting. Founded in 1913, it is headquartered in Tokyo, Japan.