McDonald Machining is an industrial multi-trade contractor specializing in millwrighting, machining, electrical, custom fabrication, machine overhauling, panel building, process piping, welding: MIG, TIG, stick, CNC plasma cutting, plant maintenance, industrial plant modernization, preventative maintenance programs, machine guarding, Pre-start Health and Safety Review Compliant. We typically service Guelph, Centre Wellington, North Wellington and the GTA; however, we will travel outside of this area. 

McDonald Machinings' Team 

Mark McDonald
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Mark has over 35 years experience as both a Millwright and Machinist. He has been the primary owner and operator of McDonald Machining for the past 35 years. 
Brad McDonald
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Brad has 10 years of experience as a Certified Millwright. Brad specializes in CNC plasma cutting, fabricating, and makes production lines run efficiently.
Jim McDonald 
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Licensed 442a Industrial Electrician and a certified Robotics and Automation Technologist.

Services 

Electrical

  • Panel Builds
  • Electrical Design
  • ESA Upgrades
  • PLC programming
  • CNC Trouble shooting
  • Machine upgrades
  • Machine trouble shooting
  • Electrical maintenance

Millwrighting


  • Machine restoration
  • Welding onsite
  • Fixing damaged components
  • Plant maintenance
  • Preventative Machine maintenance
  • Panel bending

Machining


  • Tooling refurbishing
  • Extrusion Tooling
  • Air Knives
  • Air Rings
  • Plastic Rollers
  • Custom Parts

CNC


  • Plasma table cuts 22 ga to 5/8"  thick plate for custom parts
  • Custom Guarding