Company lists · Data refreshed November 2026

Top 25 Tunnel waterproofing contractors based in Canada

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

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 84 companies tracked

RevenueBase identified 84 company matches for tunnel waterproofing contractors associated with Canada as of November 2026 and tracks 847 professional contacts across them, including 268 with verified work emails. Toronto is the largest hub.

This list covers company matches for tunnel waterproofing contractors associated with Canada, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 5, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built

84Companies

847Contacts tracked

268Verified emails

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The 25 largest tunnel waterproofing contractors based in Canada

Ranked by team size

Top 25 of 84 company matches for tunnel waterproofing contractors based in Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Xypex Chemical Corporation	Exact match	Richmond, BC, CanadaHQ recorded Nov 5, 2026	201-500	134 contacts →
	Exact match “For more than 50 years, proprietary Xypex Crystalline Technology has set an international standard of excellence in concrete waterproofing.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Duron Ontario LTD	Exact match	Mississauga, ON, CanadaHQ recorded Nov 5, 2026	51-200	92 contacts →
	Exact match “Duron Ontario was founded in 1959 and provides a range of construction specialties including structural rehabilitation, waterproofing, mastic, concrete finishing and specialized…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	Bothar	Exact match	Calgary, AB, CanadaHQ recorded Nov 5, 2026	501-1,000	54 contacts →
	Exact match “Bothar is an industry leader in trenchless underground construction with over 30 years of international experience, established in 1990 in Sydney, Australia.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	Earth Boring Co. Limited	Exact match	Mississauga, ON, CanadaHQ recorded Nov 5, 2026	51-200	32 contacts →
	Exact match “Trenchless Since 1947.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	Nusite Contractors LTD	Exact match	Toronto, ON, CanadaHQ recorded Nov 5, 2026	11-50	21 contacts →
	Exact match “Nusite Group is a commercial specialty contractor providing waterproofing systems, concrete and structural rehabilitation, and commercial roofing for large-scale commercial…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Isolation Confort C.O	Exact match	Terrebonne, QC, CanadaHQ recorded Nov 5, 2026	51-200	18 contacts →
	Exact match “L'isolation et l’étanchéité résidentielle et commerciale depuis 1979 Commercial & Résidentiel Nous sommes spécialisés en isolation de bâtiment, du sous-sol au grenier, mais aussi…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Polycrete Restorations	Exact match	Coquitlam, BC, CanadaHQ recorded Nov 5, 2026	11-50	14 contacts →
	Exact match “Providing Structural Restoration & Waterproofing Services Since the 70's.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Perma-Dry	Exact match	Porters Lake, NB, CanadaHQ recorded Nov 5, 2026	11-50	14 contacts →
	Exact match “The “Aha Moment” That Changed Everything It was the early 80’s and Bill Cole was enduring the telephone rant of another unsatisfied customer.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	Imperco CSM INC	Exact match	Montreal, QC, CanadaHQ recorded Nov 5, 2026	11-50	13 contacts →
	Exact match “Imperco CSM est LE spécialiste de l'imperméabilisation et protection du béton au Québec.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Aquanorth Contracting LTD	Exact match	Scarborough, ON, CanadaHQ recorded Nov 5, 2026	51-200	10 contacts →
	Exact match “Founded in 1991 Aquanorth Contracting offers over 30 years of waterproofing experience and is an industry leader in the Industrial, Commercial and Institutional sector in Southern…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	Durwest Construction Systems Alberta LTD	Exact match	Calgary, AB, CanadaHQ recorded Nov 5, 2026	11-50	10 contacts →
	Exact match “Calgary's largest waterproofing and concrete restoration company.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	Conterra Restoration LTD	Exact match	Brampton, ON, CanadaHQ recorded Nov 5, 2026	11-50	9 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	Libra Envelope	Exact match	Port Coquitlam, BC, CanadaHQ recorded Nov 5, 2026	11-50	9 contacts →
	Exact match “LIBRA Envelope provides solutions for commercial and residential waterproofing, roofing, repairs and maintenance for Property Management using the world’s best brands available.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	Protech Roofing Waterproofing LTD	Exact match	Toronto, ON, CanadaHQ recorded Nov 5, 2026	11-50	9 contacts →
	Exact match “Waterproofing Company” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Innovative Manufacturing INC	Exact match	Delta, BC, CanadaHQ recorded Nov 5, 2026	11-50	8 contacts →
	Exact match “Innovative Manufacturing is a local coatings company that manufacturers and specializes in several vertical markets: Concrete Coatings Wood Coatings Roof Coatings Dampproofing and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	LET IT Rain Limited	Exact match	Mississauga, ON, CanadaHQ recorded Nov 5, 2026	51-200	6 contacts →
	Exact match “Founded by Bruno Levesque in 1990, Let It Rain has grown from a single roofing contractor to become the GTA’s expert roofing and waterproofing company.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Roaron Construction Limited	Exact match	Langley, BC, CanadaHQ recorded Nov 5, 2026	1-10	4 contacts →
	Exact match “Roaron Construction Limited is a construction company out of Langley British Columbia specializing in waterproofing, coatings, fibre wrap, expansion joints, concrete and asphalt…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	J-Con Civil	Exact match	Stony Mountain, MB, CanadaHQ recorded Nov 5, 2026	1-10	4 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	CAP Waterproofing & Drains	Exact match	Burlington, ON, CanadaHQ recorded Nov 5, 2026	11-50	4 contacts →
	Exact match “Cap Waterproofing & Drains has been safeguarding properties for over 20 years, delivering unmatched waterproofing and drainage solutions across residential, commercial, and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Geoform Canada	Exact match	Oakville, ON, CanadaHQ recorded Nov 5, 2026	51-200	3 contacts →
	Exact match “Geoform is your one stop solutions provider with most effective remedies for ground instability, water leaks, unexpected voids and leaking ground challenges in infrastructure…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Armagh Contractors LTD	Exact match	Thornhill, ON, CanadaHQ recorded Nov 5, 2026	11-50	3 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	DRE Industries INC	Exact match	Toronto, ON, CanadaHQ recorded Nov 5, 2026	1-10	3 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	Canadiansealants	Exact match	Kingston, ON, CanadaHQ recorded Nov 5, 2026	11-50	2 contacts →
	Exact match “Canadian Sealants is a Kingston based company that was founded to service a specific need: quality and professional building envelope re-caulking and sealing.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	Maxim Group General Contracting Limited	Exact match	Pickering, ON, CanadaHQ recorded Nov 5, 2026	1-10	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Conestoga Waterproofing	Exact match	Cambridge, ON, CanadaHQ recorded Nov 5, 2026	1-10	2 contacts →
	Exact match “Conestoga Waterproofing is based out of Cambridge, ON and specializes in waterproofing solutions for all types of commercial, industrial and institutional buildings.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “tunnel waterproofing contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 84 tunnel waterproofing contractors based in Canada

See the full list, filter by size, metro and specialty, and access 268 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tunnel waterproofing contractors based in Canada at a glance

As of Nov 5, 2026

31.6%Verified-email coverage

10.1Average contacts per company

11-50Median size (employees)

7.1%Largest-city concentration · Toronto

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 84 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Canada whose business descriptions match “tunnel waterproofing contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 268 professional contacts with verified work emails across the full matched dataset. 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 November 5, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “tunnel waterproofing contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tunnel waterproofing contractors are there based in Canada?

RevenueBase identified 84 company matches for tunnel waterproofing contractors associated with Canada as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Xypex Chemical Corporation tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most tunnel waterproofing contractors?

Toronto leads with 6 company records, followed by Mississauga (5) and Calgary (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 268 professional contacts with verified work emails tracked across these 84 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 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 SmartSearch, 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.