Our Services

CLS Steel provides fabrication and installation services for builders, homeowners, and commercial clients across Colorado’s mountain communities. Based in Leadville, we serve projects throughout Summit County, the Vail Valley, Aspen, and surrounding areas.

From structural steel and architectural metalwork to railings, stairs, repairs, and custom components, our work is built around precision, clear communication, and long-term durability.

Construction site with partially built deck using structural I-beams surrounded by trees, construction equipment, and building materials.

Structural Steel

We provide certified welding, fabrication, and structural erection for residential and commercial projects. From steel beams to complex moment frames, we ensure precision, durability, and compliance with safety standards. Whether you’re constructing a new building, or remodeling an existing home, we’ve got you covered.

  • New Construction

  • Remodels

  • Residential & Commercial Projects

  • Shop Drawings

Beautiful wrought iron powder coated metal railing on a staircase next to beige carpeted stairs and a window with a wooden frame.

Architectural Metal

Enhance your space with beautiful, custom metalwork. Our decorative fabrication services include designing and creating unique, eye-catching pieces that combine both artistry and functionality. From railings to custom gates, stairs, and more, we can bring your vision to life with precision and attention to detail.

  • Custom Railing (code compliant)

  • Stairs (mono-stringer, floating)

  • Custom Fabrication

  • Your Choice of Finish (powder coat, patina, clear coat)

A highly-skilled welder welding steel with a Lincoln electric welding hood, gloves, and boots, sparks flying as they work on a vertical pipe with miller welding machine nearby.

Repairs and Maintenance

Welding isn’t just for new builds, it’s also about restoring and repairing existing structures and equipment. Whether it’s fixing damaged machinery, cracked steel beams, or worn-out metal components, we provide fast and effective repairs to get your project back on track.

  • Equipment Repairs

  • Structural Repairs

  • Corrosion & Wear Damage Repair

  • Mobile Welding

Have a custom project in mind? Contact our design team today for a free consultation and estimate. We collaborate with everyone, from homeowners to architects and designers, to bring any idea to life.