Advanced Foam, Inc., Gardena, 2004. 1745 West 134th Street, Gardena. They are in the business of foam fabrication for the studio industry, packaging and architectural shapes for construction. -- http://www.advancedfoam.com/
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
