U.S. Steel announces new headquarters location United States Steel President and CEO Mario Longhi joined Pittsburgh Penguins President and CEO David Morehouse in announcing that the company will relocate its corporate headquarters to the former Civic Arena site in Pittsburgh's lower Hill District. This announcement assures that the company will help anchor new development in the region while sustaining more than 800 jobs in Pittsburgh at the headquarters location. The announcement of the new headquarters location in Pittsburgh is another step in the company's Carnegie Way transformation journey. To be completed in 2017, the new 250,000 square foot headquarters will promote collaboration and best practices for U. S. Steel employees in the advanced work environment. Additionally, by housing employees from a number of locations under one roof, the new headquarters location will provide significant cost savings for the company.