Company lists · Data refreshed September 2026

Top 25 Industrial maintenance contractors based in Canada

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

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 432 companies tracked

RevenueBase identified 432 company matches for industrial maintenance contractors associated with Canada as of September 2026 and tracks 6,213 professional contacts across them, including 2,191 with verified work emails. Calgary is the largest hub.

This list covers company matches for industrial maintenance 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 September 17, 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 Sep 17, 2026 How this list was built

432Companies

6,213Contacts tracked

2,191Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest industrial maintenance contractors based in Canada

Ranked by team size

Top 25 of 432 company matches for industrial maintenance contractors based in Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Canem Systems LTD	Exact match	Richmond, BC, CanadaHQ recorded Sep 17, 2026	501-1,000	384 contacts →
	Exact match “Canem Systems is a leading full-service electrical and mechanical contractor, offering comprehensive services across Canada.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Tacten Industrial INC	Exact match	Sherwood Park, CanadaHQ recorded Sep 17, 2026	501-1,000	367 contacts →
	Exact match “INTEGRATED INDUSTRIAL SERVICES THE SMARTER WAY.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Cims Limited Partnership	Exact match	Port Coquitlam, BC, CanadaHQ recorded Sep 17, 2026	501-1,000	312 contacts →
	Exact match “CIMS Limited Partnership is 100% Canadian Owned and Operated.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Melloy Industrial Services INC	Exact match	Nisku, AB, CanadaHQ recorded Sep 17, 2026	51-200	198 contacts →
	Exact match “Melloy Industrial is a trusted leader in heavy industrial maintenance, turnarounds, project execution and fabrication services across Canada.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Blais Industries INC	Exact match	Rouyn-noranda, QC, CanadaHQ recorded Sep 17, 2026	201-500	185 contacts →
	Exact match “Notre leadership prend racine dans la compétence de nos techniciens, nos gestionnaires et nos administrateurs.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Rothlochston	Exact match	Paradise, NL, CanadaHQ recorded Sep 17, 2026	201-500	167 contacts →
	Exact match “RothLochston Constructors Inc.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Naylor Building Partnerships INC	Exact match	Oakville, ON, CanadaHQ recorded Sep 17, 2026	201-500	163 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Groupe Promec INC	Exact match	Rouyn-noranda, QC, CanadaHQ recorded Sep 17, 2026	501-1,000	120 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Groupe PMI	Exact match	Sherbrooke, QC, CanadaHQ recorded Sep 17, 2026	201-500	113 contacts →
	Exact match “Le Groupe PMI a pour mission de développer une offre de services complète pour la réalisation de projets industriels et de maintenance pour l'ensemble des industries primaires…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Vollmer INC	Exact match	Windsor, ON, CanadaHQ recorded Sep 17, 2026	501-1,000	96 contacts →
	Exact match “Vollmer is a multi-trade contractor that performs a number of services for our industrial, commercial, and institutional clients.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	STI Maintenance	Exact match	Jonquière, QC, CanadaHQ recorded Sep 17, 2026	51-200	94 contacts →
	Exact match “For over 30 years, the team of more than 95 professionals at STI Maintenance has been providing maintenance management action plans to optimize your equipment and installations.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Dewar Industrial Services INC	Exact match	Oshawa, ON, CanadaHQ recorded Sep 17, 2026	201-500	93 contacts →
	Exact match “The Dewar brand has been built on trust and performance since 1957, providing construction & maintenance services to power generation, institutional, commercial and industrial…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	ROY	Exact match	Anjou, QC, CanadaHQ recorded Sep 17, 2026	1,001-5,000	92 contacts →
	Exact match “Nous offrons une gamme complète de services intégrés d'entretien d'immeubles par l'intermédiaire de cinq filiales spécialisées et plus de 1 500 employés à votre service.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Groupe SCV INC	Exact match	Montréal, QC, CanadaHQ recorded Sep 17, 2026	51-200	88 contacts →
	Exact match “Groupe SCV is a mechanical and electrical building contractor offering services in the following sectors: commercial, industrial, institutional.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Western Mechanical Electrical Millwright Services LTD	Exact match	Barrie, ON, CanadaHQ recorded Sep 17, 2026	201-500	80 contacts →
	Exact match “Since Western was started in 1979, the focus of the company has always been to deliver industrial contracting services to our customers that exceed their expectations.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Meadowbrook	Exact match	Mississauga, ON, CanadaHQ recorded Sep 17, 2026	51-200	79 contacts →
	Exact match “Meadowbrook is a fully integrated multi-trade contractor and one-stop source for all building electrical, mechanical and construction needs.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	CMS Group LTD	Exact match	Scarborough, ON, CanadaHQ recorded Sep 17, 2026	201-500	70 contacts →
	Exact match “In 1981, Commercial Mechanical Services began.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	AIM Industrial INC	Exact match	Cambridge, ON, CanadaHQ recorded Sep 17, 2026	201-500	67 contacts →
	Exact match “Industrial Multi-Trade Contracting, Construction and Maintenance Offering Millwrighting, CWB Welding, Rigging, Ironwork, Electrical, Safety and Programming, Sheet Metal…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Westcana Electric INC	Exact match	Prince George, BC, CanadaHQ recorded Sep 17, 2026	201-500	67 contacts →
	Exact match “Welcome to Westcana Electric!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Process Group INC	Exact match	Cambridge, ON, CanadaHQ recorded Sep 17, 2026	201-500	66 contacts →
	Exact match “Process Group Welcome to Industry's single source end-to-end supplier of engineering, procurement, construction and maintenance services to manufacturing plants, process equipment…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Lysair	Exact match	Laval, QC, CanadaHQ recorded Sep 17, 2026	51-200	63 contacts →
	Exact match “Depuis 1987, Lysair se démarque par la qualité de ses projets et de ses services d’entretien en ventilation, climatisation et chauffage dans les secteurs résidentiels…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Opus Mechanical Services LTD	Exact match	Vaughan, ON, CanadaHQ recorded Sep 17, 2026	51-200	54 contacts →
	Exact match “Welcome to OPUS Mechanical Services Ltd!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Duke Electric	Exact match	Hamilton, CanadaHQ recorded Sep 17, 2026	11-50	54 contacts →
	Exact match “If your electrical equipment is more of a pain in the ass than an asset, it’s time to call Duke.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	PSL Patrick Sprack LTD	Exact match	Sudbury, ON, CanadaHQ recorded Sep 17, 2026	51-200	51 contacts →
	Exact match “PSL is one of the fastest growing mechanical service providers in Northern Ontario.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Sheridan Electric	Exact match	Mississauga, ON, CanadaHQ recorded Sep 17, 2026	51-200	51 contacts →
	Exact match “Industrial Electrical Contracting, Automation and Controls Integration, and Preventative Maintenance Services for Southern Ontario and beyond.” Recorded in the RevenueBase company graph · Sep 17, 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 “industrial maintenance 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 432 industrial maintenance contractors based in Canada

See the full list, filter by size, metro and specialty, and access 2,191 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Industrial maintenance contractors based in Canada at a glance

As of Sep 17, 2026

35.3%Verified-email coverage

14.4Average contacts per company

11-50Median size (employees)

3.9%Largest-city concentration · Calgary

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

154

11-50

161

51-200

201-500

501-1,000

1,001-5,000

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 432 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 “industrial maintenance 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 2,191 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 September 17, 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 “industrial maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial maintenance contractors are there based in Canada?

RevenueBase identified 432 company matches for industrial maintenance contractors associated with Canada as of September 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?

Canem Systems LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most industrial maintenance contractors?

Calgary leads with 17 company records, followed by Edmonton (17) and Toronto (17).

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 2,191 professional contacts with verified work emails tracked across these 432 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 September 17, 2026.

Ready to reach these companies? Verified emails and direct dials for all 432 industrial maintenance contractors based in Canada. Start with a free account, no credit card.

Download this list →

Related lists

Industrial maintenance contractors by geography

Browse the directory

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.