Portal Login
Industrial Mechanical Contractors

Built to Keep
Industry Running.

Millwright, welding, maintenance, and crane truck services for Northern Ontario's industrial sector. Skilled tradespeople. Fully equipped crews.

Our Services
ISNetworld Verified ISNetworld Verified
WSIB Covered WSIB Covered
OHSA Compliant OHSA Compliant
Northern Ontario Northern Ontario
ISNetworld Verified ISNetworld Verified
WSIB Covered WSIB Covered
OHSA Compliant OHSA Compliant
Northern Ontario Northern Ontario
What We Do

Industrial Services

From scheduled maintenance to emergency breakdowns, MSI keeps Northern Ontario's operations running.

Millwright Services

Precision alignment, equipment installation, conveyor systems, pump rebuilds, and heavy machinery maintenance for mining, forestry, and energy operations.

Welding & Fabrication

Structural and pipe welding. Custom fabrication, on-site repairs, and emergency weld services. MIG, TIG, stick, and flux core capabilities.

Preventive Maintenance

Scheduled maintenance programs, facility upkeep, and shutdown turnaround support. Reduce downtime with proactive equipment management.

Crane Truck Services

2014 RAM 5500 with 7,000 lb capacity and 21-foot boom reach. Self-sufficient crews for equipment setting, material handling, and rigging support.

Dry Ice Blasting

Non-abrasive, chemical-free industrial cleaning. Ideal for electrical panels, production equipment, mold remediation, and fire restoration.

Rigging & Hoisting

Engineered lifts, heavy equipment relocation, and rigging plans. Certified riggers with experience in confined and elevated work environments.

Our Fleet

Self-Sufficient Crews

MSI crews arrive fully equipped. No waiting for third-party rentals or support vehicles.

MSI RAM 5500 service truck at lumber yard

Crane Truck

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.

Lift Capacity 7,000 lbs
Boom Reach 21 feet
Platform RAM 5500
Service Body Fully Equipped
Who We Serve

Industries

ISNetworld-verified for major industrial operations across Northern Ontario.

Mining

Underground and surface operations, processing plants, crushing facilities

Forestry

Sawmill equipment, lumber processing, pulp and paper operations

Energy

Power generation, hydroelectric, turbine maintenance, substations

Manufacturing

Production line equipment, conveyor systems, facility maintenance

Municipal

Water treatment, waste management, public infrastructure maintenance

Food & Beverage

Processing equipment, sanitary welding, facility compliance upgrades

Trusted By

Our Clients

Georgia-Pacific Interfor Agnico Eagle Mines TransAlta Ledcor Group TC Energy Miller Northern MD Express Electra Battery Materials Kilmarnock Enterprise EPC-Groupe Agregat-RN Cotes Pole Line
Who We Are

About MSI

MSI welder at work

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.

MS

Mark Shaw

Owner/Millwright

CM

Chris Moore

Owner/General Manager

Safety & Compliance

Certifications

ISNetworld

Verified contractor safety management system. Compliant with major industrial client requirements.

WSIB

Workplace Safety and Insurance Board coverage. Full worker protection and employer compliance.

OHSA

Occupational Health and Safety Act compliant. Documented safety programs and regular training.

Get in Touch

Request a Quote

Tell us about your project and we'll get back to you with a quote.

MSI Assistant
Online
MSI Assistant

Hey! I'm the MSI Assistant

Ask me about our services, get a quote, or learn what MSI can do for your operation.