Diamond Manufacturing Company
Perforated and Value Added Metal Specialists

Discover Why Countless Companies Depend on Diamond Manufacturing

Maybe it’s the rhythmic hammering sound of a perforating press punching away at a stainless coil. Maybe it’s the unmistakable uniformity of the hole pattern from a hot-rolled sheet…hot off a perforated press. Or maybe it’s the familiar faces you encounter when you go on a plant tour at a Diamond Manufacturing location. Whatever draws you in, take a sneak peek behind the scenes at Diamond Manufacturing’s main campus in Wyoming, Pennsylvania. This video captures the essence of Diamond’s perforating capabilities and value-added fabricating services. Be sure to crank up your volume!

Diamond Manufacturing Company

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

Reliance Steel & Aluminum Co.

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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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