Diamond Manufacturing Company
Perforated and Value Added Metal Specialists

Diamond Is Your Custom Metal Fabrication Resource

Diamond Is Your Custom Metal Fabrication Resource

Expert fabrication and material handling come with more than 100 years of experience.

Diamond Manufacturing's capabilities extend well beyond perforating. Our expert metal fabricators and metallurgists are among the best in the business.

We offer a full line of fabricating services including hemming and forming, laser cutting and profiling, stamping and punching, degreasing, welding, and finishing.

Diamond provides metal fabrication for carbon steel, stainless, aluminum and other alloys. We have the capacity to process your material to your exacting specifications, plus our on-staff engineering team can help you create custom solutions to help bring your vision to life.

Whether you need a single prototype or fulfillment of a volume order, Diamond has the scale, capacity and expertise to meet your need for fabrication of custom parts and components.

Explore our featured fabricating processes below. Don't see what you are looking for? Inquire about our custom perforating and value-added processing today.

Need assistance with your project?

Customer service coordinator

Call or email our customer service coordinator to connect today.



Need a custom design?

Let Diamond's engineering team turn your vision into a reality.

We can help you plan, design, render and prototype your custom project.

Question & Answer (icon) Can't meet your customer's fabrication deadline?

Depend on Diamond.

Let us be your preferred metal fabricator for overflow work. We seamlessly integrate into your workflow while you take all the credit.

Question & Answer (icon) Operating outdated or less productive fabrication equipment?

Depend on Diamond.

We leverage the latest metal fabrication technology available to increase your output quality and help you expand into new markets without the commitment of purchasing or leasing new equipment.

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.