Diamond Manufacturing Company
Perforated and Value Added Metal Specialists

Let’s talk, we’d love to hear from you.

If you would like a project quote, wish to place an order or have questions about perforated metal or perforated plastic, Diamond’s Customer Service Representatives are ready to provide the answers you need quickly and accurately.

Call or email Diamond directly. We are honest folks that do precision metal work. Let’s talk.

800-233-9601 [email protected]

Need help getting your perf’ed or fabricated project off the ground?

Reach out to start the conversation!

Customer Service

Meet Mikaela

Customer service coordinator

Mikaela is prepared to answer your questions and offer you guidance.


[email protected]


Physical address:

243 West Eighth Street
Wyoming, PA 18644

Mailing address:

P.O. Box 4174
Wyoming, PA 18644



Diamond Manufacturing Company

Diamond Manufacturing is a wholly owned subsidiary of Reliance, Inc.

Reliance, Inc.

Site designed and developed by Blair Inc.

Site designed and developed by Blair Inc.