Six Manufacturing Facilities to Serve You.

On-time delivery is essential. That is why Diamond Manufacturing — with headquarters in Wyoming, Pennsylvania — offers six convenient manufacturing, fabrication and stocking locations. Diamond’s facilities and those of its sister stocking company, Perforated Metals Plus, are located within a short distance from major markets. Diamond's proximity to these markets helps reduce shipping costs and makes it possible to expedite deliveries when you need your material or finished parts quickly.