About us Advice - Manufacturing - Installation - Service

Entreprises Doco Doco in Saint-Jean-sur-le-Richelieu.

DOCO makes the difference!

A family-run business, for over 60 years DOCO has offered customers doors and windows of unmatched performance and appearance, ensuring comfort and style. The enviable reputation we have forged over the decades, through changing styles and trends, reinforces the relationships of trust we foster with contractors, renovators, architects and homeowners.

Designed and manufactured in Québec, our products meet the industry’s most exacting standards to beautify and protect your home. This is why all our products come with a 20-year warranty, guaranteeing your peace of mind for many years to come.

At DOCO, we never compromise on quality and take pride in assuring you that our products will offer you comfort and security. Tested at -30°C after 4500 opening and closing cycles, they are made to withstand the rigours of our Québec climate.

Always attuned to your needs and backed by irrefutable expertise, our advisors will guide you through your project from start to finish. From the drafting of your plans through to the completion of installation, we promise you impeccable service.

Discover our unique styles that will complement your projects to perfection!

Enliven your space!

Builders and Contractors
DOCO’s expertise is also renowned for the manufacture of
kitchen cabinets and doors, facades and kitchen counters.

Continuous improvement

State-of-the-art technology

The continual evolution of the door and window industry and homeowner expectations for energy efficient, sustainable products pushes manufacturers to innovate constantly.

Our team can count on the stalwart support of ENERGI Fenestration Solutions to help develop new products and constantly improve our manufacturing facilities.

Equipment upgrade and training sessions for our team allow us to stay ahead.



Territory Served by Doco

Territory Served

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Buying windows
should be easy
and reassuring.

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