About Mason Structural Steel

Building Excellence Since 1958

Leonard Polster founded Mason Structural Steel, Inc. in 1958 with a humble 5,000 square feet facility. Evolving from selling steel products to mason contractors, we now operate from a 150,000 square foot facility, serving a diverse clientele in Northeastern Ohio and nationally.

Crafting Strong Foundations for Your Projects

Welcome to Mason Structural Steel, Where Quality Meets Precision

Experience the expertise of over six decades in the industry. Our commitment to excellence ensures your projects are built to withstand the test of time.

Our Strengths and Achievements

Discover the foundation of our success through innovation, quality, and commitment.

Structural Steel Fabrication

Precision fabrication of structural steel for projects of all scales, ensuring durability and safety.

National Distribution

Distributing a wide range of building products to meet the diverse needs of our clients across the nation.

Specialized Services

Tailored solutions for builders, general contractors, developers, and more, setting new standards of excellence.

Industry Leadership

Setting benchmarks in the steel fabrication industry with a focus on quality, reliability, and innovation.

6+ decades 
Decades of Experience

150,000 sq ft
Facility Size

Nationwide 
Local & National Reach

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