Millwright, welding, maintenance, and crane truck services for Northern Ontario's industrial sector. Skilled tradespeople. Fully equipped crews.
From scheduled maintenance to emergency breakdowns, MSI keeps Northern Ontario's operations running.
Precision alignment, equipment installation, conveyor systems, pump rebuilds, and heavy machinery maintenance for mining, forestry, and energy operations.
Structural and pipe welding. Custom fabrication, on-site repairs, and emergency weld services. MIG, TIG, stick, and flux core capabilities.
Scheduled maintenance programs, facility upkeep, and shutdown turnaround support. Reduce downtime with proactive equipment management.
2014 RAM 5500 with 7,000 lb capacity and 21-foot boom reach. Self-sufficient crews for equipment setting, material handling, and rigging support.
Non-abrasive, chemical-free industrial cleaning. Ideal for electrical panels, production equipment, mold remediation, and fire restoration.
Engineered lifts, heavy equipment relocation, and rigging plans. Certified riggers with experience in confined and elevated work environments.
MSI crews arrive fully equipped. No waiting for third-party rentals or support vehicles.
Our 2014 RAM 5500 service truck with integrated crane provides on-site lifting capability without the cost of a separate crane rental. Purpose-built for industrial mechanical work in Northern Ontario.
ISNetworld-verified for major industrial operations across Northern Ontario.
Underground and surface operations, processing plants, crushing facilities
Sawmill equipment, lumber processing, pulp and paper operations
Power generation, hydroelectric, turbine maintenance, substations
Production line equipment, conveyor systems, facility maintenance
Water treatment, waste management, public infrastructure maintenance
Processing equipment, sanitary welding, facility compliance upgrades
MSI Mechanical Services Ltd is a Northern Ontario-based industrial mechanical contracting company. We provide millwright, welding, maintenance, crane truck, dry ice blasting, and rigging services to mining, forestry, energy, and manufacturing operations.
Founded by tradespeople who understand the realities of industrial work, MSI is built on skilled crews, reliable equipment, and a commitment to getting the job done safely and on time.
We're ISNetworld verified, WSIB covered, and OHSA compliant. Our clients trust us because we show up prepared, work clean, and deliver results.
Owner/Millwright
Owner/General Manager
Verified contractor safety management system. Compliant with major industrial client requirements.
Workplace Safety and Insurance Board coverage. Full worker protection and employer compliance.
Occupational Health and Safety Act compliant. Documented safety programs and regular training.
Tell us about your project and we'll get back to you with a quote.