Crossby Dewar Inc. has over 100 years of experience with a commitment to Quality, Safety, & Productivity. Our company currently has over 700 employees residing in Pickering & Tiverton, Ontario. Crossby Dewar Inc. has a reputation for providing quality work across a breadth of service lines making it the "go-to-shop" for nuclear support services. Such nuclear construction services include scaffolding, insulation, asbestos abatement, sheet metal fabrication and installation, ironwork and millwrighting, welding, painting, material handling/ warehousing, and general construction. Crossby Dewar Inc. has become the preferred business partner for nuclear contractors providing electrical and mechanical services.


It is the policy of Crossby Dewar Inc. to provide quality customer service ensuring that the customer's requirements are always met. Through strict adherence to our ISO 9001:2015 Quality System we strive to be the "Contractor of Choice" within the industry. Crossby Dewar Inc. has achieved one million hours without LTI at OPG, three million hours at Bruce Power, as well as numerous awards of recognition for completing work without incidents.


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