Diamond Manufacturing Company
Perforated and Value Added Metal Specialists

Finished Parts and Samples Showcase

Discover Why We Are the Perforated and Value-Added Metal Specialists

The following photos represent a sample of the many patterns, materials and types of parts that Diamond produces. We strive to produce top quality products and pay close attention to every detail from the beginning of the planning process all the way to the finished piece. With over a century of experience, you might say that we have a penchant for punching precision holes and exceeding customers' expectations.

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.

Site designed and developed by Blair Inc.