About

Let’s work together for a sustainable agricultural future.

Harnois is a family business, established in 1965

 

Founded in 1965 as Irrigation St. Thomas, the parent company of Harnois Greenhouses, Industries Harnois, initially specialized in irrigation systems and agricultural equipment. In 1968, we expanded into greenhouse manufacturing, and in 1971, under the leadership of Rolland Harnois and Yves Harnois, we designed Quebec’s first gutter-connected greenhouse complex. Throughout the 1970s and 1980s, we dominated the Canadian market by introducing innovative greenhouse technologies, from heating circulation tubes to naturally ventilated greenhouse structures.

As our reputation grew, we became, in 1982, the first North American company to use oval tubes in greenhouse manufacturing.

Today, Harnois Greenhouses continues to create turnkey greenhouse projects and enhance agricultural productivity. We acknowledge that the future of sustainable agriculture depends on creative solutions, and we remain firmly committed to continuously bringing new ideas to the industry.

Elevating the craft of growers

Who are we?

Our commitment to sustainability is not just a business practice; it’s a philosophy driving us to create a greener, more resilient future for agriculture and beyond.

This commitment extends not only to our clients and the communities they serve but also to our employees. We are dedicated to fostering a diverse and devoted team, supporting our employees and the efforts they make to help us improve.

From cutting-edge designs to environmentally friendly resources and components, every aspect of our operations reflects our dedication to sustainable practices. We recognize the vital role our industry plays in the global ecosystem and actively seek ways to minimize our footprint.

Lean more about Harnois Industries
Our Commitment to Customers

Quality is not just our standard—it’s an attitude that defines everything we do.

Our dedication to sustainability is not merely a business practice; it’s a philosophy that drives us to create a greener, more resilient future for agriculture and beyond.

This commitment extends not only to our customers and the communities they serve but also to our employees. We are devoted to building a diverse and dedicated team, supporting our employees, and valuing their efforts to help us improve.

From innovative designs to environmentally conscious materials and components, every aspect of our operations reflects our dedication to sustainable practices. We recognize the critical role our industry plays in the global ecosystem and are actively seeking ways to reduce our footprint.

Our Involvement in the Community​

Associations

  • Les Producteurs en serre du Québec
  • Association canadienne des pépinières forestières
  • Centre de formation agricole de Mirabel
  • New York State Vegetable Growers Association
  • Maine Vegetable and Small Fruit Growers Association
  • Institut de technologie agroalimentaire du Québec, campus de Saint-Hyacinthe
  • Urbainculteurs
  • Réseaux Racines
  • BC Landscape and Nursery Association
  • Asociación Mexicana de Horticultura Protegida
  • Centre de Référence en Agriculture et Agroalimentaire du Québec
  • Zone Agtech
  • Vermont Vegetable and Berry Growers Association

Solutions for all types of projects

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