D.R. Horton's Arlington headquarters [Courtesy photo]
D.R. Horton has been the nation's largest homebuilder by volume since 2002 and has closed more than 1 million homes in its 45-year history. The company's Co-COO, Paul J. Romanowski, has been promoted to president and CEO, replacing David V. Auld, who will transition to executive vice chair of the board.