Founded in 1947 in Drummondville, Vaillancourt manufactures doors and windows for the residential market. For three generations, it has stood out for the quality, durability and reliability of its products, which are designed and manufactured in Québec.

It all started in the family garage, where Raymond Vaillancourt launched the very first products. His son Réal continued the business, followed by Pierre and Carl, who took over in the 1980s and 1990s. In 2024, Carl Vaillancourt became the sole owner, marking a turning point in the company’s evolution.

Vaillancourt Doors and Windows currently employs more than 250 people and relies on a strong network of retailers and corporate stores across the province. Many employees have been with the company for more than 25 years, a testament to the commitment and trust that defines the team.

The company takes a collaborative approach, both with customers and partners, to offer high-quality products and personalized service. A well-known name in the renovation and new construction sectors, the company is a major player in the Québec industry.

Since 2016, Vaillancourt Doors and Windows has made Les Affaires’ list of Québec’s 300 largest SMEs. The company holds APCHQ certification, a seal of expertise and quality service. In 2011, it received the National Bank SME Award in recognition of its outstanding achievements.

The company has been a member of Les Produits du Québec program since March 2025. Certain of its products carry the Manufactured in Québec certification mark.

Learn more about Vaillancourt Doors and Windows and its approved products on its website.