Washington Iron Works, Inc., Gardena, 2004. 17926 South Broadway, Gardena. "Artisans in all metals." -- http://start.cortera.com/company/research/k2m2qxs3j/washington-iron-works/.
Marine Sheet Metal Works, Inc., San Pedro, 2004. 813 South Seaside Avenue, San Pedro. "The company is listed under the category: Sheet metal fabricators." -- http://www.majon.com/local/sheet-metalwork/california/san-pedro/marine-sheet-metal-works-inc
Industrial, commercial and residential sites near airport, Hawthorne, 2005.
