Company lists · Data refreshed November 2026

Top 12 Industrial contractors based in Windsor, Canada

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 40 companies tracked

RevenueBase identified 40 company matches for industrial contractors associated with Windsor, Canada as of November 2026 and tracks 382 professional contacts across them, including 122 with verified work emails. Across Canada, Calgary is the largest hub for this category (277 companies); Windsor has 40.

This list covers company matches for industrial contractors associated with Windsor, 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 6, 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 6, 2026 How this list was built

40Companies

382Contacts tracked

122Verified emails

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The 12 largest industrial contractors based in Windsor, Canada

Ranked by team size

Top 12 of 40 company matches for industrial contractors based in Windsor, Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	Vollmer INC	Exact match	Windsor, ON, CanadaHQ recorded Nov 6, 2026	501-1,000	98 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 · Nov 6, 2026 · View company records in RevenueBase
2	Electrozad	Exact match	Windsor, ON, CanadaHQ recorded Nov 6, 2026	51-200	40 contacts →
	Exact match “Electrozad was incorporated in the City of Windsor in 1955 and has grown to be one of the largest independently owned Electrical Distributors in Southwestern Ontario.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Lester Group	Exact match	Windsor, ON, CanadaHQ recorded Nov 6, 2026	11-50	21 contacts →
	Exact match “One of Windsor’s longest standing General Contractors is ushering in a new era with a fresh new look; redefining the industry with a new team and a new outlook on industry…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Haller Mechanical Contractors INC	Exact match	Windsor, ON, CanadaHQ recorded Nov 6, 2026	51-200	18 contacts →
	Exact match “Commercial OR Industrial OR Institutional OR Residential HVAC and Plumbing Specialists • Emergency service is available 24 hours per day 7 days per week CALL 519-254-4635 •…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	The Rosati Group	Exact match	Windsor, CanadaHQ recorded Nov 6, 2026	11-50	18 contacts →
	Exact match “Established in 1969, the Rosati Group encompasses several construction-related companies serving Southwestern Ontario.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	R.C White LTD	Exact match	Windsor, ON, CanadaHQ recorded Nov 6, 2026	11-50	5 contacts →
	Exact match “R.C.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Masse Electric INC	Exact match	Windsor, ON, CanadaHQ recorded Nov 6, 2026	11-50	5 contacts →
	Exact match “Who we are Masse Electric Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Sherway Contracting	Exact match	Windsor, ON, CanadaHQ recorded Nov 6, 2026	1-10	4 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Windsor Construction Association	Exact match	Windsor, ON, CanadaHQ recorded Nov 6, 2026	1-10	3 contacts →
	Exact match “Windsor Construction Association is an Association of over 300 member companies in the Industrial, Commercial and Institutional Construction Sector.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Boulder Group INC	Exact match	Windsor, ON, CanadaHQ recorded Nov 6, 2026	11-50	3 contacts →
	Exact match “At Boulder Group, we bring 33+ years of experience in ICI (Industrial, Commercial, Institutional) design, construction, and project management.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	CNC Electric INC	Exact match	Windsor, ON, CanadaHQ recorded Nov 6, 2026	11-50	3 contacts →
	Exact match “CNC Electric offers the following services to our residential, commercial and industrial customers: Electrical demolition Service work Service upgrades Interior LED retrofits…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Windsor Concrete & Construction LTD	Exact match	Windsor, ON, CanadaHQ recorded Nov 6, 2026	11-50	2 contacts →
	Exact match “Windsor Concrete & Construction's continued success is due to the strength of the relationships that have been built yesterday.” Recorded in the RevenueBase company graph · Nov 6, 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 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 12 of 40 industrial contractors based in Windsor, Canada

See the full list, filter by size, metro and specialty, and access 122 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial contractors based in Windsor, Canada at a glance

As of Nov 6, 2026

31.9%Verified-email coverage

9.6Average contacts per company

11-50Median size (employees)

Nov 6, 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 across the whole Canada list rather than for Windsor, so it is reported there. Company counts and contact totals on this page are exact for Windsor, 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 Windsor, Canada whose business descriptions match “industrial 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 122 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 6, 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.

Industrial contractors by metro in Canada

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 contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial contractors are there based in Windsor, Canada?

RevenueBase identified 40 company matches for industrial contractors associated with Windsor, 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?

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

Which city in Canada has the most industrial contractors?

Calgary leads Canada with 277 company records, followed by Edmonton (265) and Toronto (204). Windsor has 40.

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 122 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 November 6, 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.