ARLINGTON , Va . , July 16 / PRNewswire-FirstCall / -- Interstate Hotels & Resorts ( OTC Bulletin Board : IHRI ) , a leading hotel real estate investor and the nation 's largest independent management company , today announced that the company will release second-quarter 2009 financial results on Wednesday , August 5 , 2009 , before the market 's opening . Management will hold a conference call at 10 a.m.