
Are you searching for the best industrial door manufacturers and suppliers in Canada?
In this article, we have compiled the best Canadian industrial door suppliers to help narrow your options to the leading businesses in this industry. We have chosen this list according to the following criteria:
- Large production capabilities
- Top quality raw materials
- Good price value and quality consistency
Best Industrial door Companies in Canada
Diamond Doors Inc.

Since 1998, Diamond Doors has kept customer satisfaction as our measure of success. This carries through from engineering to shipping. We strive to offer quality industrial doors that are convenient, simple to install, low maintenance, and long-lasting. Diamond Doors operates on the values of honesty and integrity, ensuring that your door is safe, secure, and structurally sound.
Our standard doors include many industry-leading features, from our cantilevered rollers to being the industry’s fastest opening bifold. Optional features can be added based on individual or company needs, like our ship-lapped insulation panels and maintenance-free auto-lock system with remote opener. Learn more about Diamond Doors features and options, technical specs, and warranty information.
Advantages:
- Exceptional products
- Easy to install
- Designed for low maintenance
- Serve our customers to the highest standard
Headquarters: 400 Airport Drive, Winkler MB R6W 0J9
Lenworth

Lenworth was founded on a few simple principles in 2003. Work hard, be passionate about what you do, and build long-term partnerships. Lenworth has now grown into a nationwide industry-leading facility improvement company by staying committed to one key principle – Doing It Right™.
Lenworth provides service and repairs to all industrial and commercial overhead doors including rolling steel doors, high-speed overhead doors and alternatives, and pass doors.
Main products:
- Commercial Overhead Doors
- High Speed Overhead Doors
- Rolling Steel Doors
- High-Speed Door Alternatives
- Industrial Pass Doors
Headquarters: 4141 Sladeview Crescent, Units #1-3, Mississauga, Ontario, L5L 5T1
All-Rite Group

All-Rite Dock & Door Systems Inc, a subsidiary of The All-Rite Group of Companies, has been proudly serving customers within the GTA and surrounding areas for over 30 years. Our product, installation knowledge and experience combined with a wide selection of door-entry products allows All-Rite Dock and Door Systems to work with our customers in providing turn-key solutions and custom designs for commercial, industrial, and residential properties.
Main products:
- Insulated Sectional Doors
- High Speed Sectional Doors
- Rolling Steel Doors
- Fire Rated Rolling Steel Door
- High Speed Rubber Door
Headquarters: 4 Baker Rd. Brampton, Ontario L6T 4E3, Canada
Seal It Up Industrial Services

Seal It Up Industrial Services is an industry leading overhead door and dock company servicing various markets throughout the GTA and surrounding areas with over 40 years of industry experience.
Seal It Up Industrial Services provides prompt, efficient, and honest door and dock service. We use quality materials available to ensure the highest quality finished products. Our technicians have the skills, knowledge, and experience necessary to handle any project, regardless of size or complexity.
Main products:
- Hollow Metal Doors
- Overhead Doors
- Rolling Steel Doors
- High Speed Doors
- High Cycle Rubber Doors
Headquarters: 12 Bram Court Unit 21, Brampton ON L6W 3V1
