Headquartered in Wyoming, Pennsylvania with manufacturing facilities in Wyoming, PA and Michigan City, IN and a fabrication facility in Dallas, PA. Stocking locations are in Charlotte and Chicago areas, Diamond's facilities and those of its sister stocking company, Perforated Metals Plus, are located within a short distance of major markets. Our proximity to these markets not only helps contain shipping costs, but makes it possible for us to rush deliveries when you need material fast.

  • Wyoming, PA
  • Michigan City, IN
  • Dallas, PA
  • Michigan City, IN
  • Charlotte, NC
us map with Diamond mfg locations