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About Us

Capitol Steel

Capitol Steel Constructors provides full service millwright installation, and steel erection for industrial, recycling, and manufacturing facilities throughout the United States.

 

The Company was founded and continues to be led by CEO Keegan Graves, who has 30 years of experience in the steel erection industry. The company has grown from small field installations to large-scale, cutting edge mechanical projects across the country while consistently delivering safe, on-time, and precise results.

 

With deep roots in the trade and a track record of successful partnerships, Capitol Steel continues to earn a reputation for dependable performance and unmatched craftsmanship from plant retrofits to complete system installations.

Our Work
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Our Work

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Irwindale, CA

70 Tons / hr

2025

San Antonio, TX

50 Tons / hr

2024

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Chicago, IL

35 Tons / hr

2023

Call 

208-855-9700

Email 

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