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McWhirter Steel was a large union erector for many years and has had over 70 union ironworkers working throughout California.
We currently partner with outside erection companies for a large portion of our work.

Because customer satisfaction and high quality projects are our top priority, the erection companies we partner with are chosen based on strict criteria including safety records and experience. We are completely committed to seeing every aspect of our projects through to completion and to exceeding our customer's standards. 

The McWhirter team has a long history and strong knowledge of all aspects of steel erection including the following:

Structural Steel
Complex Steel Fabrications
Oversized Steel Fabrications
Built-up Steel Columns
Steel Girders
Structural Stairs
Architectural Exposed Structural Steel
Fast-Track Projects 
Metal Decking