Company lists · Data refreshed September 2026

Top 25 Waterproofing contractors based in Canada

Name: Waterproofing contractors based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 14, 2026 423 companies tracked

RevenueBase identified 423 waterproofing contractors headquartered in Canada as of September 2026 and tracks 3,682 professional contacts across them, including 1,441 with verified work emails. Toronto is the largest hub.

This list covers waterproofing contractors 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 14, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 14, 2026 86% judged on-target in blind review

423Companies

3,682Contacts tracked

1,441Verified emails

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The 25 largest waterproofing contractors based in Canada

Ranked by team size

Top 25 of 423 waterproofing contractors based in Canada, ranked by team size, largest first. Data refreshed Sep 14, 2026. RevenueBase Smart Search rates how each company's information relates to waterproofing contractors: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Soprema Canada	Indirect evidence	Drummondville, QC, CanadaHQ checked Sep 14, 2026	1,001-5,000	591 contacts →
	Indirect evidence “Depuis 1908, SOPREMA protège les espaces de vie et améliore le bien-être des individus grâce à des solutions durables et innovantes d’étanchéité, d’isolation, de végétalisation et…” Source: RevenueBase Database · checked Sep 14, 2026
2	Bothwell Accurate Co. INC	Partial evidence	Mississauga, ON, CanadaHQ checked Sep 14, 2026	201-500	301 contacts →
	Partial evidence “Bothwell-Accurate is one of the oldest and most experienced companies providing Roofing and Waterproofing services to Industrial, Commercial and Institutional buildings in the…” Source: RevenueBase Database · checked Sep 14, 2026
3	Atlas-Apex Roofing INC	Strong evidence	Etobicoke, ON, CanadaHQ checked Sep 14, 2026	501-1,000	205 contacts →
	Strong evidence “Founded in 1928, we are the premier Industrial/ Commercial/ Institutional roofing, waterproofing, and sheet metal contractor serving our customers locally, across Canada, and…” Source: RevenueBase Database · checked Sep 14, 2026
4	Xypex Chemical Corporation	Partial evidence	Richmond, BC, CanadaHQ checked Sep 14, 2026	201-500	126 contacts →
	Partial evidence “For more than 50 years, proprietary Xypex Crystalline Technology has set an international standard of excellence in concrete waterproofing.” Source: RevenueBase Database · checked Sep 14, 2026
5	Triumph Group Of Companies	Partial evidence	Toronto, ON, CanadaHQ checked Sep 14, 2026	51-200	110 contacts →
	Partial evidence “For over 35 years, Triumph has served Southern Ontario, Alberta and Eastern Canada as the leading roofing and cladding contractor for new building construction, repair…” Source: RevenueBase Database · checked Sep 14, 2026
6	Duron Ontario LTD	Partial evidence	Mississauga, ON, CanadaHQ checked Sep 14, 2026	51-200	91 contacts →
	Partial evidence “Duron Ontario was founded in 1959 and provides a range of construction specialties including structural rehabilitation, waterproofing, mastic, concrete finishing and specialized…” Source: RevenueBase Database · checked Sep 14, 2026
7	Toiture Couture	Indirect evidence	St-hubert, QC, CanadaHQ checked Sep 14, 2026	51-200	67 contacts →
	Indirect evidence “Toiture Couture offre des services d’étanchéité en revêtement de toiture à la fine pointe de la technologie pour le marché commercial, industriel et institutionnel depuis plus de…” Source: RevenueBase Database · checked Sep 14, 2026
8	Kryton International INC	Indirect evidence	Vancouver, BC, CanadaHQ checked Sep 14, 2026	51-200	66 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 14, 2026
9	Covertite Eastern LTD	Indirect evidence	Ottawa, ON, CanadaHQ checked Sep 14, 2026	51-200	49 contacts →
	Indirect evidence “Covertite was founded in 1951 by the Warner family as a small roofing company.” Source: RevenueBase Database · checked Sep 14, 2026
10	Elastochem	Partial evidence	Brantford, ON, CanadaHQ checked Sep 14, 2026	51-200	48 contacts →
	Partial evidence “Elastochem is a Canadian leader of building enclosure solutions, ranging from waterproofing and restoration systems to polyurethane foam insulation.” Source: RevenueBase Database · checked Sep 14, 2026
11	Couverture Montréal Nord	Indirect evidence	Montreal, QC, CanadaHQ checked Sep 14, 2026	201-500	45 contacts →
	Indirect evidence “Fondée en 1954, Couverture Montréal Nord se spécialise dans l’étanchéité et le revêtement de toiture pour le marché commercial, industriel et institutionnel.” Source: RevenueBase Database · checked Sep 14, 2026
12	Toitures Trois Étoiles INC	Indirect evidence	Lasalle, QC, CanadaHQ checked Sep 14, 2026	201-500	45 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 14, 2026
13	LAING	Partial evidence	Kelowna, BC, CanadaHQ checked Sep 14, 2026	51-200	42 contacts →
	Partial evidence “Founded in 1987, LAING provides roofing, sheetmetal, waterproofing and panel system installations for commercial, industrial and large scale residential projects.” Source: RevenueBase Database · checked Sep 14, 2026
14	Prostar Contracting	Partial evidence	Burnaby, BC, CanadaHQ checked Sep 14, 2026	51-200	38 contacts →
	Partial evidence “Prostar has earned a reputation as one of Vancouver's most recognized premier commercial renovators and exterior envelope contractors in BC.” Source: RevenueBase Database · checked Sep 14, 2026
15	Toitures Hogue	Indirect evidence	Blainville, QC, CanadaHQ checked Sep 14, 2026	201-500	35 contacts →
	Indirect evidence “Fondée en 1972, Toitures Hogue est un des plus importants couvreurs au Québec.” Source: RevenueBase Database · checked Sep 14, 2026
16	Raven Roofing LTD	Partial evidence	Surrey, BC, CanadaHQ checked Sep 14, 2026	51-200	35 contacts →
	Partial evidence “Raven Roofing is one of BC's leading commercial roofing contractors.” Source: RevenueBase Database · checked Sep 14, 2026
17	Multiseal	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 14, 2026	51-200	32 contacts →
	Indirect evidence “Contracting in the construction industries, including; Complete Thermal and Moisture Protection for high rise structures, Asphalt Services including paving, granulars bases…” Source: RevenueBase Database · checked Sep 14, 2026
18	Villa Roofing & Sheet Metal	Partial evidence	Vancouver (se Oakridge / East Marpole / South Sunset), BC, CanadaHQ checked Sep 14, 2026	51-200	31 contacts →
	Partial evidence “Villa Roofing is British Columbia's industry leader in Roofing and Waterproofing systems for medium to large-scale Multi-Family Residential, Commercial, Industrial and…” Source: RevenueBase Database · checked Sep 14, 2026
19	Place-Crete Systems	Indirect evidence	St Albert, AB, CanadaHQ checked Sep 14, 2026	51-200	28 contacts →
	Indirect evidence “Place-Crete Systems is a full service specialty contracting firm that focuses on concrete restoration work, traffic deck membranes, gypsum floor underlayment's, hydro demolition…” Source: RevenueBase Database · checked Sep 14, 2026
20	Northern Caulking INC	Indirect evidence	Mississauga, ON, CanadaHQ checked Sep 14, 2026	51-200	25 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 14, 2026
21	Orbis Group INC	Indirect evidence	Delta, BC, CanadaHQ checked Sep 14, 2026	51-200	25 contacts →
	Indirect evidence “Orbis Group Inc has it’s roots going back to 2007.” Source: RevenueBase Database · checked Sep 14, 2026
22	DWS Roofing And Waterproofing Services INC	Indirect evidence	Ottawa, ON, CanadaHQ checked Sep 14, 2026	51-200	25 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 14, 2026
23	Crystal Consulting INC CCI Group	Partial evidence	Richmond, BC, CanadaHQ checked Sep 14, 2026	501-1,000	22 contacts →
	Partial evidence “CCI Group is a Drywall, Masonry, Waterproofing, and Roofing contactor in British Columbia with a Drywall Division in Alberta as well.” Source: RevenueBase Database · checked Sep 14, 2026
24	Isolation Algon 2000	Indirect evidence	Laval, QC, CanadaHQ checked Sep 14, 2026	51-200	21 contacts →
	Indirect evidence “Isolation Algon Inc est une entreprise familiale possédant plus de 40 années d'expérience dans le domaine de la Construction.” Source: RevenueBase Database · checked Sep 14, 2026
25	Specified	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 14, 2026	51-200	20 contacts →
	Indirect evidence “Over the last 30 years, Specified has completed thousands of successful projects.” Source: RevenueBase Database · checked Sep 14, 2026

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: waterproofing contractors. 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 waterproofing contractors.
Partial evidence: Its own public description names part of waterproofing contractors, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name waterproofing contractors. 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 423 waterproofing contractors based in Canada

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Waterproofing contractors based in Canada at a glance

As of Sep 14, 2026

39.1%Verified-email coverage

8.7Average contacts per company

11-50Median size (employees)

8.5%Largest-city concentration · Toronto

Sep 14, 2026Page data refreshed

Companies by employee count

1-10

183

11-50

164

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 423 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 waterproofing contractors, 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 “waterproofing contractors”. 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 waterproofing contractors), 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 waterproofing contractors, 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, 1,441 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 14, 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.

Waterproofing contractors by metro

Waterproofing contractors in Toronto36

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 waterproofing contractors, 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 waterproofing contractors are there based in Canada?

RevenueBase identified 423 waterproofing contractors 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?

Soprema Canada, headquartered in Drummondville, tops this list with the largest team on record.

Which city has the most waterproofing contractors?

Toronto leads with 36 headquartered companies, followed by Calgary (24) and Mississauga (18).

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 1,441 verified decision-maker contacts tracked across these 423 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 14, 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.