
Your Belleville Welder
On-Site, On-Time, Every Job
On-Site commercial mobile welding services for Belleville
No. Twelve Welding Company provides mobile welding throughout Belleville and the surrounding Bay of Quinte area, including Napanee. We bring the shop to you — on-site welding and repair with no towing equipment out, no shop wait, and no job too small or too specialized.
Code-Compliant Container Modifications
Belleville’s building and planning department requires proper egress for modified shipping containers, and we handle that work start to finish — structural cutting, framing, and code-compliant exits for containers converted into storage, workspace, or commercial use.
Commercial & Property Repair
From landlords and property managers to local commercial and light-industrial businesses, we provide structural repairs, security gates, and general steel work throughout Belleville — built around getting your property back in working order without a shop visit.
Farm & Equipment Repair
Belleville sits at the edge of a lot of working farmland, and we provide on-site heavy equipment repair, utility trailer welding, and general agricultural steel work for property owners throughout the area.
Custom Steel & Property Work
Why Belleville Clients Choose No. Twelve
- Fully insured, WSIB compliant
- Mobile setup — no downtime moving equipment
- Flat-rate, transparent pricing
Need a mobile welder in Belleville?
Call (613) 970-1851
Keep your Operations Running with on-site mobile welding services
Belleville Area FAQs
Travel is factored into our flat-rate pricing based on distance from our home base — you’ll know the full cost upfront before we arrive, with no surprise mileage charges added after the job.
We prioritize emergency “Machine Down” situations to help our clients minimize lost production time. While our schedule varies, our mobile rigs are designed for rapid deployment. Contact us directly by phone for the fastest response regarding urgent repair needs.
We are based in Belleville and Kingston area with regularly service to the industrial corridors in Eastern Ontario. For specialized industrial contracts or shutdowns, we are equipped to deploy throughout Ontario.
Yes — we handle fire escape repairs and steel modifications for landlords and property managers throughout Kingston, helping keep rental and commercial properties compliant and structurally sound.
Yes. We maintain comprehensive liability insurance and WSIB coverage specifically tailored for industrial and commercial environments. We understand the compliance requirements of “Tier 1” sites and can provide the necessary documentation prior to arriving on-site.
