Shelter manufacturer, Harnois offers storage and protection against weather: car shelter, temporary shelter, spa Shelter, garden shed, hobby greenhouse…

Les Industries Harnois est un fabricant québécois de serres professionnelles et de bâtiments en toile MegaDome depuis 1965. Tous nos produits sont conçus et fabriqués au Québec, Canada. Notre entreprise développe des structures d’ingénierie novatrices pour répondre aux besoins spécifiques de nos clients.

MegaDome® Coverall Buildings by Harnois are engineered, fabric-covered buildings designed for optimal performance and durability. Designed in Canada, they withstand extreme weather and heavy use. With steel truss frames and tear-resistant polyethylene fabric, they offer strength, light, and flexibility. It is ideal for agriculture, industry, and municipal use. Fast to install, cost-effective, and backed by a 15-year warranty.

At Harnois Greenhouses, sustainability lies at the heart of every commercial greenhouse solutions we create. We design greenhouses and develop technologies that address today’s needs while preparing for tomorrow’s challenges. Our solutions minimize environmental impact while maximizing productivity, combining innovative technology with durable materials for long-lasting performance.Our mission is to enhance predictability, efficiency, and sustainability in agriculture, paving the way for a more resilient future.