Commercial Structural Steel
From steel framing to mezzanines, we build the foundation of your project.
Structural steel is the foundation of countless commercial projects, providing the strength and support needed for long-lasting construction. At San Marino Iron, we fabricate custom structural steel for a wide range of commercial applications throughout Southeast Michigan. From steel framing and support structures to decks, mezzanines, stairs, canopies, and other custom projects, our team delivers precision craftsmanship tailored to your project's unique requirements. Whether you're a contractor, builder, or business owner, we work closely with you to provide reliable structural steel solutions that are built to perform and made to last.
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Our Structural Steel Services
Every commercial and residential project has unique structural requirements, which is why we fabricate each project to meet your specific needs. Our structural steel services include:
- Basement support beams
- Structural steel framing
- Mezzanines
- Handicap ramps
- Steel decks & platforms
- Structural stair systems
- Columns & support posts
- Wrought iron columns & brackets
- Custom steel supports
- Structural modifications & reinforcements
Using high-quality structural steel and precision fabrication techniques, our team delivers durable, code-ready solutions built to support your project for years to come.


