Industrial and commercial sites in Monterey Pass Road and South Garfield Avenue, Monterey Park and Commerce, 2004.
Roy E. Hanson Jr. Manufacturing, Los Angeles, 2004. 1600 East Washington Boulevard, Los Angeles. "It is a major manufacturer of carbon and stainless steel pressure vessels." It is a private company categorized under fuel tanks (oil, gas, etc.). -- http://www.hansontank.com/
