316,000 m2

Shipyard Area


Years Experience


Dry Docking Projects

Ontario Shipyards utilizes a combination of highly skilled people and unique equipment/assets to provide Vessel Lifecycle Services, specialized Heavy Industrial Fabrication Services and Project Support Services.

Founded in 1987, Ontario Shipyards is the leading ship repair and heavy industrial fabrication service provider in Ontario. Headquartered in Hamilton, Ontario, the company operates three major shipyards on the Canadian side of the Great Lakes.

Ontario Shipyards employs hard working professionals who have the knowledge, experience, and mettle to service our clients. Our Team consists of:

  • Welders
  • Electricians
  • Blasters/Painters
  • Millwrights/Mechanics
  • General Labourers
  • Project Managers
  • Engineers
  • Naval Architects
Vessel Construction
Over the past 30 years, Heddle Shipyards has methodically built up a robust marine construction reputation in Canada. A wide variety of projects have floated off our dry docks in Hamilton Harbour: from workboats to barges, cable ferries and sub-sea cable-laying equipment. As our business has grown, so has our production capacity. With the acquisition of the Port Weller Dry Docks in 2017, Heddle Shipyards is even better situated to take on complex construction projects.  
Vessel Maintenance and Overhauls
Repairs, maintenance and conversion projects have been the foundation of our business since our inception. From emergency repairs to special survey dry dockings and vessel life extension projects, Heddle Shipyards has experience from stem to stern. Steel replacement, re-powering, structural remodeling and accommodation retrofits are just a few of the areas in which our experienced workforce excels. Large or small, alongside or on the blocks, Heddle Shipyards is ready to take on your most ambitious project.
Responsible ship recycling is an important component of a vessel’s life cycle. Requiring careful planning and execution, an effective ship recycling process ensures that vessels are appropriately disposed of at the end of their usage life. Heddle Shipyards is committed to protecting our waterways through the safe and timely recycling of ships in the most environmentally sensitive ways.
  • Carbon steel and alloy welding
  • Stainless steel welding
  • Low temperature steel fabrication
  • Brazing
  • Clad welding
  • Non-destructive testing
  • Hydraulic couplings
  • Steering gears
  • Propulsion components
  • Machinery removal and installation
  • Machinery rebuilds
  • Milling
  • Hydraulic cylinders
  • Liner/sleeve installations.
  • Shore power connection to vessels
  • Power connections for vessel layups
  • Installation of navigational equipment
  • Generator services
  • Motor services
  • Cable installation all types
  • Transformer installation
  • Breaker services
  • Instrumentation services
  • Transducer installations
  • Cable transit installations
  • Distribution equipment installations
  • Interior carpentry
  • Cabinet and furnishing installations
  • Galley installation
  • Carpet and flooring

Industrial Fabrication Services

Ontario Shipyards has been able to leverage knowledge and skills developed through our experience in vessel construction and repairs to become a trusted partner in the fabrication of heavy equipment.


At Ontario Shipyards, we understand that in the competitive world of maritime commerce, there is not a moment to lose. Our highest priority is to minimize our clients down time.
Whether you require emergency repairs or are planning for the future, our dedicated team is always ready to help find solutions that get you back on the water as fast as possible. At Ontario Shipyards, we pride ourselves on maintaining healthy client relationships. You will always find a Ontario Shipyards representative ready to discuss your project.