Company lists · Data refreshed November 2026

Top 25 Underground ventilation construction services based in Canada

Name: Underground ventilation construction services based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 3, 2026 72 companies tracked

RevenueBase identified 72 company matches for underground ventilation construction services associated with Canada as of November 2026 and tracks 3,329 professional contacts across them, including 763 with verified work emails. Quebec is the largest hub.

This list covers company matches for underground ventilation construction services 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 3, 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 3, 2026 How this list was built

72Companies

3,329Contacts tracked

763Verified emails

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The 25 largest underground ventilation construction services based in Canada

Ranked by team size

Top 25 of 72 company matches for underground ventilation construction services based in Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 3, 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	Redpath Mining	Exact match	North Bay, ON, CanadaHQ recorded Nov 3, 2026	5,001-10,000	2,307 contacts →
	Exact match “Established in 1962, The Redpath Group is an experienced, full-service solutions provider to the global underground mining industry.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
2	Bothar	Exact match	Calgary, AB, CanadaHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
3	Bousquet Technologies	Exact match	Sainte-Julie, QC, CanadaHQ recorded Nov 3, 2026	51-200	41 contacts →
	Exact match “A pioneer in the design and manufacturing of ventilation equipment in Canada, Bousquet has more than a half a century of experience in the field.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
4	Earth Boring Co. Limited	Exact match	Mississauga, ON, CanadaHQ recorded Nov 3, 2026	51-200	32 contacts →
	Exact match “Trenchless Since 1947.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
5	CAM Mécanique INC	Exact match	Blainville, QC, CanadaHQ recorded Nov 3, 2026	51-200	28 contacts →
	Exact match “CAM Mécanique, une entreprise de pointe spécialisée en ventilation, maintenant à Blainville.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
6	ABC Canada Technology Group LTD	Exact match	Saskatoon, SK, CanadaHQ recorded Nov 3, 2026	51-200	26 contacts →
	Exact match “ABC Canada Technology Group is a leading manufacturer of flexible and semi-rigid polymer products for mine and tunnel ventilation, flexible ducting for environmental and…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
7	Vddo-Qat	Exact match	Delson, QC, CanadaHQ recorded Nov 3, 2026	51-200	26 contacts →
	Exact match “Since its foundation in 1983, VDDO has built a solid reputation as the supplier of choice for ventilation products and air treatment systems to contractors and engineers in the…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
8	Pro-Sag Mécanique INC	Exact match	Chicoutimi, QC, CanadaHQ recorded Nov 3, 2026	51-200	25 contacts →
	Exact match “Entreprise spécialisée dans le domaine de la mécanique de bâtiment, ventilation/climatisation/chauffage/ plomberie/gaz naturel/gaz médicaux/entretien des systèmes/nettoyage de…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
9	Allied Blower & Sheet Metal	Exact match	Surrey, BC, CanadaHQ recorded Nov 3, 2026	51-200	13 contacts →
	Exact match “For 40+ years, Allied Blower & Sheet Metal Ltd.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
10	Mecanicad UG Ventilation Experts	Exact match	Rouyn-noranda, QC, CanadaHQ recorded Nov 3, 2026	11-50	13 contacts →
	Exact match “Mécanicad helps underground mines and tunneling projects reduce ventilation costs, improve airflow performance, and lower energy consumption through engineered high-efficiency…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
11	PDI Group Of Companies	Exact match	Sudbury, ON, CanadaHQ recorded Nov 3, 2026	11-50	12 contacts →
	Exact match “The PDI Group of Companies (“PDI”) is a full-service corporation that provides tailored solutions for engineering, manufacturing and distribution of products and services to the…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
12	Métalico INC	Exact match	Québec, QC, CanadaHQ recorded Nov 3, 2026	11-50	12 contacts →
	Exact match “Fondée en 2001, Métalico est un chef de file à Québec dans la fabrication de conduits de ventilation sur mesure, de vente d'accessoires de ventilation et de sous-traitance…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
13	Envira-North Systems LTD	Exact match	Seaforth, ON, CanadaHQ recorded Nov 3, 2026	11-50	10 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
14	Lawson-Taylor LTD	Exact match	Dundas, ON, CanadaHQ recorded Nov 3, 2026	11-50	10 contacts →
	Exact match “With over 50 years of experience, Lawson-Taylor Limited has established itself as a premier source of industrial ventilation products, custom air-handling equipment, as well as…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
15	MB Ventilation INC	Exact match	Lévis, QC, CanadaHQ recorded Nov 3, 2026	51-200	9 contacts →
	Exact match “La firme MB Ventilation est une entreprise lévisienne qui oeuvre dans la conception, la fabrication et l'installation de conduits de ventilation et de climatisation.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
16	Balvent INC	Exact match	Québec, QC, CanadaHQ recorded Nov 3, 2026	11-50	9 contacts →
	Exact match “Depuis 1976, Balvent propose des services de grande qualité, grâce à son savoir-faire reconnu au Québec.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
17	Norvent Mine & Tunnel Ventilation INC	Exact match	North Bay, ON, CanadaHQ recorded Nov 3, 2026	11-50	8 contacts →
	Exact match “Norvent Mine & Tunnel Ventilation formerly Schauenburg Industries Ltd, North Bay, Ontario, Canada.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
18	ABC Ventilation Systems	Exact match	Saskatoon, ON, CanadaHQ recorded Nov 3, 2026	51-200	7 contacts →
	Exact match “Established in 1968, ABC Ventilation Systems is an ISO 9001 manufacturer of quality mine and tunnel ventilation products.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
19	AIRMP	Exact match	Rouyn-noranda, QC, CanadaHQ recorded Nov 3, 2026	51-200	6 contacts →
	Exact match “AIRMP inc.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
20	Simem Underground Solutions	Exact match	Abbotsford, BC, CanadaHQ recorded Nov 3, 2026	11-50	6 contacts →
	Exact match “Simem Underground Solutions designs, engineers, and manufactures site-ready CRF/CAF, Paste Backfill, Shotcrete, and Grout plants with pumping systems for on-surface and…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
21	Industrie-L INC	Exact match	Longueuil, QC, CanadaHQ recorded Nov 3, 2026	11-50	6 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
22	Lanrefco	Exact match	Saint-laurent, QC, CanadaHQ recorded Nov 3, 2026	11-50	6 contacts →
	Exact match “Fondé en 1989, Lanrefco est une entreprise spécialisée dans la construction et l’entretien des systèmes de ventilation, climatisation et contrôles.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
23	Ventilex INC	Exact match	Saint-Eustache, QC, CanadaHQ recorded Nov 3, 2026	51-200	6 contacts →
	Exact match “Depuis 1975, Ventilex est associée au développement du paysage architectural québécois à titre de fabricant et/ou de fournisseur de produits et systèmes de ventilation des…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
24	Smogbuster INC	Exact match	Edmonton, CanadaHQ recorded Nov 3, 2026	11-50	5 contacts →
	Exact match “We Supply, Install and Monitor Hot-Work for Maintenance Operations & Shutdowns / Turnarounds in Confined Spaces to Reduce Injury and Increase Work Productivity.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
25	J-Con Civil	Exact match	Stony Mountain, MB, CanadaHQ recorded Nov 3, 2026	1-10	4 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 3, 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 “underground ventilation construction services”. 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 72 underground ventilation construction services based in Canada

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Underground ventilation construction services based in Canada at a glance

As of Nov 3, 2026

22.9%Verified-email coverage

46.2Average contacts per company

11-50Median size (employees)

5.6%Largest-city concentration · Quebec

Nov 3, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 72 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 “underground ventilation construction services” 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 763 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 3, 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 “underground ventilation construction services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many underground ventilation construction services are there based in Canada?

RevenueBase identified 72 company matches for underground ventilation construction services 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?

Redpath Mining tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most underground ventilation construction services?

Quebec leads with 4 company records, followed by Winnipeg (4) and Burlington (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 763 professional contacts with verified work emails tracked across these 72 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 3, 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.