Born from a simple idea
Custom-built sustainable warehouse since 1965
Founded in 1958, Harnois Industries has grown from a single idea into a global manufacturer of steel structures, offering a full range of products in North America and beyond. Specializing in engineering, production and project management for fabric buildings, MegaDome, our team, with its know-how and commitment, embodies leadership and integrity in every project.
Megadome benefits
Discover all the advantages of MegaDome buildings
The MegaDome experience
From first contact to construction, we pride ourselves on providing every customer with a personalized service experience.
Turnkey solutions
Get turnkey building solutions that adapt to all your operational needs and topographical constraints.
Technical expertise
Take advantage of 55 years of expertise in design, equipment and installation to guarantee a seamless experience and a successful project.
In-house engineering
Save time on permitting and processes with buildings designed according to national building code requirements and customized to your project's location.