John Duff Ltd in Petrolia, ON, is a custom metal fabricator that has served the industrial, construction, manufacturing, agricultural, and commercial sectors of the Sarnia and Lambton areas since 1967.

We bring our extensive knowledge and expertise to every job, completing both production runs and “one-off” items of every kind. From aluminum and stainless steel fabrication to truck decks and high-definition plasma tables, we have every corner of the metal fabrication industry firmly in hand. Our special projects constitute some of our proudest work, including customized carts, elaborate toolboxes, elegant gateways, and gorgeous pieces of artwork specially requested by Petrolia residents. Whatever your metalworking needs, John Duff Ltd can get it done – call us now to discuss your project! more... See more text