Mobile Welding Services in St. Louis, MO
On-site structural welding, fabrication, and metal repair brought directly to your job site or facility across the St. Louis metro and Metro East.
On-site welding for commercial and industrial St. Louis clients
Abstract Construction LLC brings a fully equipped mobile welding crew to your job site. Whether you need structural repairs on an active facility, custom railings for a new build, or equipment reinforcement that can not wait, we show up ready to work.
Mobile welding services we offer
- Structural welding: beams, columns, connections, and steel repairs for commercial and industrial buildings.
- Railing and staircase fabrication: custom steel railings, handrails, and stair stringers built and installed on-site.
- Mezzanine construction: structural mezzanines for warehouses and industrial facilities.
- Equipment repair and reinforcement: cracked frames, worn fixtures, and structural metal repairs.
- Custom metalwork: brackets, supports, frames, and one-off fabrications designed to spec.
- Gate and fence welding: commercial security gates, perimeter fencing, and access control frames.
Why clients choose our welding crew
- We come to your site fully equipped, no delays for shop turnaround.
- Experienced welders with commercial and industrial backgrounds.
- Fully insured for work at active facilities and construction sites.
- Honest assessments and upfront pricing before work begins.
Recent welding work
Frequently asked questions
What types of mobile welding do you do in St. Louis?
We perform structural welding, MIG and TIG welding, equipment repair, railing and staircase fabrication, mezzanine construction, and custom metalwork at commercial and industrial sites across St. Louis.
Do you come to the job site?
Yes. Our mobile welding crew brings equipment directly to your facility or job site. No teardown and transport required on your end.
Are your welders licensed and insured in Missouri and Illinois?
Yes. All welding work is performed by experienced, insured tradespeople. We carry general liability and workers compensation coverage for projects on both sides of the river.
Areas we serve
Tell us about your project
Same-day response. No obligation. Serving St. Louis, MO and the Metro East.