Millwrighting, machining, electrical, custom fabrication, machine overhauling, panel building, process piping, welding: MIG, TIG, stick, CNC plasma cutting, plant maintenance, industrial plant modernisation, preventative maintenance programmes, machine guarding, and Pre-start Health and Safety Review Compliant are the areas of expertise for McDonald Machining, an industrial multi-trade contractor. Although we will travel outside of this region, we normally service Guelph, Centre Wellington, North Wellington, and the GTA.