J.S.B. Co., Ltd. is a Japan-based company mainly engaged in real estate leasing management business, real estate sales business, elderly housing business and other businesses. The Company operates three business segments. The real estate rental management business is mainly engaged in planning and development, rental and management of real estate such as apartment for students. The real estate sales business is involved in apartments sales business for students. The elderly housing business is mainly engaged in elderly housing rental and nursing care business. Other segments include student support services and Japanese language school business.