Hi-Tech Heat Treating, Company,, Gardena, 2004. 331 West 168th Street, Gardena. "The company is listed under the category: Heat treating metal (manufacturers." -- http://www.showmelocal.com/profile.aspx?bid=4969243
Industrial sites on the west side of Alameda Street from 96th Place to 92nd Street and back to Laurel Street, Los Angeles, 2004.
