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Arizona's #1


SINCE 1937

Structural Fabrication

Ducting Fabrication

Pipe Fabrication

Custom Fabrication

Other Services

About Capitol Engineering Co.

Over 80 Years in Business

We’re a Phoenix-based firm founded in 1937. Since that time we have expanded our facilities to over 90,000 SQFT. on 4 acres and have acquired a great number of satisfied and valued customers.

More About Us

Our primary business involves the custom fabrication of metals, including:

  • Steel

  • Stainless Steel

  • Aluminum

  • Abrasive Resistant

  • and other alloys

Often our projects incorporate the use of specially engineered electrical hydraulic or mechanical drives and controls to produce a completely custom manufactured product. We have been a Phoenix Arizona custom metal fabricator since 1937.

Check out our state-of-the-art equipment in action!

At Capitol Engineering in Phoenix, we use the latest equipment and technology to ensure precision and accuracy in every product we fabricate. You can trust us for all your metal fabrication needs.

CNC Pipe Welder

Dragon A400

CNC Plasma Cutter

Robotic Beam Line

Customers Served

Personal Attention & Service

We are particularly proud of the many projects we have designed and fabricated to our customer’s performance specifications.

Cotton Processing

Concrete & Cement Plants

Chemical Processing Companies

Furniture Mfg. Industry

Construction Industry

Flour Mill

Transportation Industries

Mining Industry


Feed Mill

Plastic Injection Mold Industry

Sand & Gravel Companies

We will be most pleased to quote any project within our capabilities to your design or to your basic performance specifications.