A durable, versatile storage solution
Harnois is a family-run business founded in 1965. Today, the third generation of warehouse building manufacturers heads a large team of over 150 employees, who design, manufacture, sell and install structures throughout North America.
Discover the MegaDome experience
- Each structure is produced locally;
- Customizable, versatile membrane buildings;
- After-sales service available at all times;
- Brighter, stronger buildings;
Our commitment
Innovation is at the heart of Harnois’ values. As a leading manufacturer of commercial greenhouses, we constantly strive to push the boundaries and redefine industry standards. From cutting-edge designs to advanced technologies, our unwavering dedication to innovation is present in every aspect of our work.
In favor of sustainable development
Our commitment to sustainability isn’t just a business practice; it’s a philosophy that drives us to create a greener, more resilient future for agriculture and beyond. From resource-efficient designs to eco-friendly materials, every aspect of our business reflects our commitment to sustainable practices. We recognize the vital role our industry plays in global ecosystems, and actively seek ways to minimize our environmental footprint.
Meet our associations and partners
Associations
- 3R MCDQ – Regroupement des Récupérateurs et des Recycleurs de Matériaux de Construction et de Démolition du Québec;
- OGRA – Ontario Good Roads Association
- CRA – Canadian Rental Association
- APOM – Association des professionnels à l’Outillage Municipal
- ADMQ – Association des directeurs municipaux du Québec
- RIM – Réseau d’Information Municipale
Partners/equipment manufacturers
- EDC Construction
- Béton Adam
- Fabrication Acier Concept Inc.
- Construction Alexis Garceau