Steel Fabrication & Onsite Welding in Bozeman and Big Sky, MT

Certified Mobile Welding for Structural Steel, Railings & Custom Job-Sites

From structural steel packages for new builds to hand-forged railings and custom mailboxes, Stronghold Fabrication handles every stage of a steel project. We design, fabricate, and install out of our Bozeman shop. Our ASTM-certified welders also provide onsite welding for job sites across Big Sky and the Gallatin Valley. Every project starts with detailed shop drawings and ends with a clean, professional install. Explore our services below, or request an estimate to get started.

Structural Steel Erection

A custom steel chimney cap and hanging steel porch erected and designed by Stronghold Fabrication in Bozeman, Montana.

Architectural Solutions

Custom designed fireplace ash shovel and firepoker by wrought iron experts Stronghold Fabrication in Bozeman Montana.

Wrought Iron

Laser Cutting Capabilities

Custom Design

Custom steel mailbox designed by Stronghold Fabrication for a residence in Bozeman Montana

Steel Finishes