Company lists · Data refreshed September 2026
Top 25 Custom door manufacturers based in Canada
RevenueBase identified 651 custom door manufacturers headquartered in Canada as of September 2026 and tracks 7,080 professional contacts across them, including 2,713 with verified work emails. Toronto is the largest hub.
This list covers custom door manufacturers headquartered in Canada, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest custom door manufacturers based in Canada
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 306 contacts → | ||||
Partial evidence “For luxury homeowners, and the architects, designers and custom builders who create their dreams, Loewen is the brand that delivers an unrivaled combination of artisanship…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 282 contacts → | ||||
Indirect evidence “Since 1957, Allmar Inc.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 260 contacts → | ||||
Strong evidence “Founded in 1982, Novatech Group employs over 1,500 people and is a leading manufacturer of components for the window and door industry.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 246 contacts → | ||||
Strong evidence “Starline Windows has been proudly designing and building windows & balcony doors for over 50 years, providing quality, comfort and peace of mind to our customers.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 196 contacts → | ||||
Indirect evidence “Fenplast est un manufacturier de portes et fenêtres en croissance, situé à Candiac sur la rive-sud de Montréal.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 153 contacts → | ||||
Strong evidence “Renin is an international manufacturer and distributor for a wide range of indoor barn, bifold, and bypass doors.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 135 contacts → | ||||
Strong evidence “Kohltech Windows & Entrance Systems is a leading manufacturer of high-quality, custom window and door products.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 107 contacts → | ||||
Partial evidence “An industry leader in the design, manufacturing and installation of quality windows and doors, Lux is a family-owned and managed business based in Calgary, Alberta, Canada.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 102 contacts → | ||||
Indirect evidence “Intermat c’est plus de 350 personnes qui s’engagent à travailler toutes ensemble afin de vous offrir le meilleur pour votre finition intérieure.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 97 contacts → | ||||
Strong evidence “Prémoulé is the North American industry leader in postformed countertops and custom cabinet doors and accessories.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 92 contacts → | ||||
Partial evidence “Since 1912, Richards-Wilcox Canada has been the proven leader in the residential and industrial sectional door industry.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 92 contacts → | ||||
Indirect evidence “Notre savoir-faire qui prend racine dans des décennies d'expertise, c’est ça la force de Lepage Millwork.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 91 contacts → | ||||
Strong evidence “AMBICO manufactures specialized doors and door frames.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 84 contacts → | ||||
Partial evidence “At Westeck, custom isn’t a feature we sell, it’s how we think.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 83 contacts → | ||||
Indirect evidence “Raywal Cabinets have been creating one-of-a-kind kitchens and living spaces for more than 60 years in North America.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 81 contacts → | ||||
Strong evidence “For over half a century, Daybar has manufactured swinging fire-rated steel doors and frames, for installation in commercial, residential, industrial and institutional buildings in…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 80 contacts → | ||||
Indirect evidence “In 1961, Golden Windows began as a small Kitchener millwork plant with only a handful of employees.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 78 contacts → | ||||
Strong evidence “Steel-Craft manufactures high-quality residential and commercial garage doors made 100% in-house and are designed specifically for the Canadian climate.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 76 contacts → | ||||
Partial evidence “We are a customer obsessed, modern business in a traditional industry.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 74 contacts → | ||||
Indirect evidence “With a rich history spanning over 50 years, LMT is a cornerstone in Quebec's construction industry.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 74 contacts → | ||||
Indirect evidence “Since 2005 Riverside Millwork Group has been supplying homeowners and builders with the finished products that make a house a home.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 70 contacts → | ||||
Partial evidence “At Trillium Architectural Products, we are door, hardware and security experts.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 67 contacts → | ||||
Indirect evidence “Solaris Québec portes et fenêtres est renommée pour la qualité supérieure de ses produits, son service personnalisé et la riche expertise de son personnel.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 57 contacts → | ||||
Indirect evidence “Ateliers Jacob wonderfully combines beauty, function and human nature.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 57 contacts → | ||||
Indirect evidence “Chez Isothermic, nous croyons que les codes et les normes doivent être vus comme un point de départ, jamais comme une finalité.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: custom door manufacturers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names custom door manufacturers.
- Partial evidence
- Its own public description names part of custom door manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name custom door manufacturers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 651 custom door manufacturers based in Canada
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Custom door manufacturers based in Canada at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 651 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among custom door manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Canada whose own description of what they do matches “custom door manufacturers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names custom door manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among custom door manufacturers, and records with no verified work email. Companies headquartered outside Canada are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 2,713 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Custom door manufacturers by metro
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names custom door manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many custom door manufacturers are there based in Canada?
RevenueBase identified 651 custom door manufacturers headquartered in Canada as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Loewen, headquartered in Steinbach, tops this list with the largest team on record.
Which city has the most custom door manufacturers?
Toronto leads with 49 headquartered companies, followed by Mississauga (37) and Calgary (27).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 2,713 verified decision-maker contacts tracked across these 651 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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