Company lists · Data refreshed October 2026

Top 13 Building envelope pest sealing companies based in Canada

RevenueBase identified 40 company matches for building envelope pest sealing companies associated with Canada as of October 2026 and tracks 303 professional contacts across them, including 76 with verified work emails. Laval is the largest hub.

This list covers company matches for building envelope pest sealing companies 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 October 9, 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 Oct 9, 2026 How this list was built
40Companies
303Contacts tracked
76Verified emails
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The 13 largest building envelope pest sealing companies based in Canada

Ranked by team size
Top 13 of 40 company matches for building envelope pest sealing companies based in Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 9, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchWoodstock, ON, CanadaHQ recorded Oct 9, 2026201-500132 contacts →

Exact match

“Founded in 1980, Great Northern Insulation is Ontario's leading building envelope service provider, for the new construction and retrofit markets across commercial, institutional…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
2Exact matchMississauga, ON, CanadaHQ recorded Oct 9, 202651-20029 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
3Exact matchLaval, QC, CanadaHQ recorded Oct 9, 202651-20014 contacts →

Exact match

“HIZO se positionne comme un leader dans les secteurs de l'enveloppe du bâtiment, de l'imperméabilisation de fondations et de l'ignifugation, desservant une clientèle variée dans…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
4Exact matchLaval, QC, CanadaHQ recorded Oct 9, 202651-20013 contacts →

Exact match

“Expert en Enveloppe du Bâtiment depuis Trois Générations.Mongrain (spécialiste en isolation) sert ses clients depuis près de 60 ans.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
5Exact matchCambridge, ON, CanadaHQ recorded Oct 9, 20261-108 contacts →

Exact match

“Air Leakage & Ventilation in new and existing homes is the #1 source of Heat Loss.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
6Exact matchPointe-claire, QC, CanadaHQ recorded Oct 9, 202611-507 contacts →

Exact match

“Nous sommes une entreprise spécialisée en scellement de conduits de ventilation et d'enveloppe de bâtiment commerciale, industrielle et institutionnelle.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
7Exact matchKelowna, BC, CanadaHQ recorded Oct 9, 202611-506 contacts →

Exact match

“The BC Interior's industry leader, TRS Building Envelope ((TOMTAR Roofing & Sheet Metal Ltd) is the most trusted name for commercial and residential building envelope services.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
8Exact matchCalgary, AB, CanadaHQ recorded Oct 9, 202611-504 contacts →

Exact match

“Leak Doctor is your one-stop solution for all your building envelope needs.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
9Exact matchWhistler, BC, CanadaHQ recorded Oct 9, 202611-503 contacts →

Exact match

“A cutting edge envelope sealing system - The fastest and cheapest way to make your homes more energy efficient!”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10Exact matchKingston, ON, CanadaHQ recorded Oct 9, 202611-502 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 · Oct 9, 2026 · View company records in RevenueBase
11Exact matchBurnaby, BC, CanadaHQ recorded Oct 9, 20261-102 contacts →

Exact match

“Supplying building envelope materials across British Columbia’s Lower Mainland since 1992.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12Exact matchSaint Jean Sur Richelie, CanadaHQ recorded Oct 9, 20261-101 contacts →

Exact match

“Caulking Apex is a caulking south shore of Montreal company that is specialized in caulking residential, commercial, industrial and condo buildings.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13Exact matchOttawa, ON, CanadaHQ recorded Oct 9, 20261-101 contacts →

Exact match

“AeroBarrier is an innovative new building product that effectively seals building envelopes, making your homes more air-tight and energy-efficient than ever.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase

Showing 13 of 40 building envelope pest sealing companies based in Canada

See the full list, filter by size, metro and specialty, and access 76 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Building envelope pest sealing companies based in Canada at a glance

As of Oct 9, 2026
25.1%Verified-email coverage
7.6Average contacts per company
1-10Median size (employees)
12.5%Largest-city concentration · Laval
Oct 9, 2026Page data refreshed

Companies by employee count

1-10
22
11-50
12
51-200
5
201-500
1

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 40 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 “building envelope pest sealing companies” 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 76 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 October 9, 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 “building envelope pest sealing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many building envelope pest sealing companies are there based in Canada?

RevenueBase identified 40 company matches for building envelope pest sealing companies associated with Canada as of October 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?

Great Northern Insulation tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most building envelope pest sealing companies?

Laval leads with 5 company records, followed by Toronto (3) and Vancouver (3).

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 76 professional contacts with verified work emails tracked across these 40 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 October 9, 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.