Mitsubishi Estate Company is a real estate firm. The Building segment develops, leases and manages buildings, operates parking lots and a heat supply business. The Housing segment constructs, sells, manages and leases condominiums and housing, and operates golf courses. The City Development segment develops profit-earning real estate and manages assets. The Overseas segment develops and leases real estate in overseas markets. The other segments are Investment Management, Design and Supervision, Hotel and Real Estate Service.