Full-service solution for growers
around the world
Harnois is a family business, established in 1965
The third generation of commercial greenhouse manufacturers are now leading a large team of over 150 employees, designing, manufacturing, selling and installing quality greenhouse structures and equipment across 6 continents.
Experience the Harnois difference
We design and manufacture soft membrane steel structures for key industries worldwide, including commercial greenhouses and fabric covered storage buildings, enabling our customers to grow, store and develop their businesses while ensuring a sustainable future.
- Well engineered products, designed for quality, durability and long-term performance
- True innovation, driven by continuous product improvement
- Brighter greenhouses through optimized and efficient structures
Our commitment to sustainability
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 operations reflects our commitment to sustainable practices. We understand the vital role our industry plays in global ecosystems, and we actively seek ways to minimize our environmental footprint.
Our commitment to innovation
Innovation is the heart of Harnois values. As a leading commercial greenhouse manufacturer, we consistently strive to push boundaries and redefine industry standards. From cutting-edge designs to advanced technologies, our unwavering dedication to innovation is woven into every aspect of our work.
We recognize that the future of sustainable agriculture depends on creative solutions, and we stand firm in our resolve to continually bring fresh ideas to the table.
Our commitment to innovation is not just a promise; it’s the driving force that propels us to shape the future of commercial greenhouse solutions.
Meet our partners
- Groupex
- Producteurs en serres du Québec
- Québec Vert
- Chambre de commerce de Joliette
- NEVBGA
- BCLNA
- AQPP
- NHVBGA
- American Hort
- Ontario Good Roads
- APOM
- 3R MCDQ