Equipment Repairs
Repairs to all Construction, Forestry, Mining, Industrial, Commercial Equipment.
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Equipment Repairs

Custom Fabrication
All types of custom fabrication from handrails and staircases to special application equipment.
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Custom Fabrication

Fabricated and installed staging and hoisting mechanism to facilitate maintenance on conveyors.
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Lafarge Staging

Bucket Refurbishment
Complete excavator bucket maintenance, wear package replacements (including teeth & adapters), fabricate new buckets.
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Bucket Refurbishment

Welcome to On-Site Welding

On-Site Welding has been in operations since 2000 and services all of Northern Ontario. Yvan Gauthier has over 25 years of experience in the welding industry. Our company is sized to be responsive and efficient, coordinating our efforts to minimize down-time on processing plants and equipment.



  • Precision Cast Repairs with Spray-Fuse Application
  • Water Treatment Facilities Maintenance
  • Mill Maintenance and Shut-Downs
  • Custom Fabrication and Repairs
  • Engineer Certified Fork Repairs
  • Line Boring and Machining
  • 24hr Emergency Service
  • Field and Shop Services
  • Welding (All Metals)
  • Aluminum Welding
  • Parts Hard-Facing
  • Cast Iron Repairs
  • welder