Your Kingston Welder
On-Site, On-Time, Every Job
On-Site commercial mobile welding services for Kingston
No. Twelve Welding Company brings professional mobile welding services directly to Kingston and the surrounding area, including Napanee and Shannonville. No towing equipment out, no waiting on a shop schedule — we come to your site, farm, or property with everything needed to get the job done.
Shipping Container & Code Compliance Modifications
We’ve completed a number of shipping container modification projects in the Kingston and Belleville area, built specifically to meet local building and planning department egress requirements. If you’re converting a container for storage, workspace, or another use, we handle the structural cutting, framing, and egress modifications needed to meet code.
Fire Escape & Property Repairs
We provide fire escape inspection-related repairs and steel modifications for landlords and property managers throughout Kingston — keeping rental and commercial properties compliant and structurally sound.
Custom Steel & Property Work
Why Kingston Clients Choose No. Twelve
- Fully insured, WSIB compliant
- Mobile setup — no downtime moving equipment
- Flat-rate, transparent pricing
Need a mobile welder in Kingston?
Call (613) 970-1851
Keep your Operations Running with on-site mobile welding services
Kingston Area FAQs
Yes — we’ve completed large-scale shutdown subcontract work in the County, including structural and repair welding under strict industrial timelines. We also work directly with several local contractors on ongoing equipment and property repairs.
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.
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 provide on-site welding and repair for commercial and light-industrial businesses throughout Quinte West, from structural repairs to ongoing equipment maintenance, without needing to bring anything into a shop.
Yes — we regularly serve the surrounding area, including Havelock, Norwood, Marmora, Cobourg, Port Hope, and Colborne, bringing the same on-site mobile welding and repair services to those communities.