New tenants, renovations for Greenway Plaza By: Houston Business Journal via Business Journals March 19, 2014 at 10:29 AM EDT Renovations have begun to Greenway Plaza, attracting three new tenants, including Mitsubishi Heavy Industries America Inc... Read More >> Related Stocks: DTE ENERGY COMPANY 2011 SERIES I 6.50 UNIOR SUBORDINATE DEBENTURES DUE 2061 Mitsubishi Corp Spon