Diamond Manufacturing Company
Perforated and Value Added Metal Specialists

Jun 8, 2023

Explore our new Diamond website!

Explore our new Diamond website!

We launched a significant refresh of our website to make your experience more productive and efficient. What's new? Check out the capabilities overview with a behind the scenes sneak peak into our perforated and value-added post-perf and fabricating services. Explore our detailed pattern library or scope of operations, in what we call "Diamond by the Numbers". Say hello to our team and connect with any of our 6 locations, strategically located to serve you.

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Other Recent News

May 23, 2023

Recent expansion at Diamond Headquarters in Wyoming, Pennsylvania

We just opened our new 30,000-square-foot facility.

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Feb 24, 2023

A 360-degree view of Diamond Manufacturing's new addition

Check out the progress at 243 West Eighth Street in Wyoming, Pennsylvania, where 30,000-square-feet of production space is being added to the current facility at Diamond Manufacturing Company.

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Diamond Manufacturing Company

Diamond Manufacturing is a wholly owned subsidiary of Reliance Steel & Aluminum Co.

Reliance Steel & Aluminum Co.

Site designed and developed by Blair Inc.

Contact Us

Physical address:

243 West Eighth Street
Wyoming, PA 18644

Mailing address:

P.O. Box 4174
Wyoming, PA 18644

[email protected]


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