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AJ Manufacturing – In-house & Mobile Welding Services for the GTA

Certified by the Canadian Welding Bureau, AJ Manufacturing Ltd provides machining and welding services in the GTA. Our experienced welders work with steel, stainless steel and aluminum for residential, commercial, industrial and marine custom fabrication and repairs.


Visit our machine shop in Oshawa for the custom parts, welding repairs and machining services you need. Plus our mobile welding shop comes to you anywhere in the Greater Toronto Area. Call us for service today.

Welding Heavy Machinery to Fabricating Custom Parts

Specializing in welding, AJ Manufacturing has the welding skills you need for small spot-welds for radiators, mufflers and exhausts. We work on any type of vehicle, including heavy trucks and large equipment. Do you need your trailer hitch reattached? Come see us or call for mobile welding services.


Do you need a machined part in a pinch or a custom steel product that isn’t on the market? AJ Manufacturing offers custom fabrication and machining that meets your needs in aluminum and all types of steel, even stainless. Let us custom fabricate your gas tank, clamps, radiator and more to your specifications.



  • Custom fabrication & machining

  • Steel, stainless steel & aluminum

  • Welding engineering technology

  • Mobile shop services available

  • CWB certified – carbon & stainless

Professional Affiliations

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