According to PRNewswire, Drew Industries (NYSE:DR) will release its first quarter financials May 2, 2011, before the stock market opens.  At 11:00 AM ET that morning, this manufacturer of doors, windows, chassis, and bath and shower components for the manufactured housing industry will host a conference call to discuss the numbers.  Participation will be limited to institutional investors and analysts, although individual investors, brokers and the media will be able to listen in live to the webcast.  Drew operates 26 factories in the United Sates.