Company lists · Data refreshed November 2026

Top 23 Oil filled transformers manufacturers based in Canada

RevenueBase identified 81 company matches for oil filled transformers manufacturers associated with Canada as of November 2026 and tracks 5,440 professional contacts across them, including 2,384 with verified work emails. Calgary is the largest hub.

This list covers company matches for oil filled transformers manufacturers 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 4, 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 4, 2026 How this list was built
81Companies
5,440Contacts tracked
2,384Verified emails
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The 23 largest oil filled transformers manufacturers based in Canada

Ranked by team size
Top 23 of 81 company matches for oil filled transformers manufacturers based in Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 4, 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 matchGuelph, ON, CanadaHQ recorded Nov 4, 20261,001-5,000684 contacts →

Exact match

“Hammond Power Solutions is a North American leader for the design and manufacture of dry-type standard and custom electrical engineered magnetics, liquid filled and cast resin…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
2Exact matchBurlington, ON, CanadaHQ recorded Nov 4, 2026501-1,000272 contacts →

Exact match

“JFE Shoji Power Canada is an electrical steel products manufacturer located in Burlington, Ontario.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
3Exact matchRegina, SK, CanadaHQ recorded Nov 4, 2026201-500204 contacts →

Exact match

“With experience manufacturing, repairing and servicing distribution equipment, Partner Technologies Inc.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
4Exact matchMarkham, ON, CanadaHQ recorded Nov 4, 202651-200110 contacts →

Exact match

“Our mission at CES Transformers is to provide high-quality, reliable, and innovative transformer solutions that meet the evolving needs of our customers.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
5Exact matchLangley, ON, CanadaHQ recorded Nov 4, 2026501-1,000103 contacts →

Exact match

“With over 50 years of industry experience, Thomson Power Systems (a Regal Rexnord brand) stands as a leader in innovation and reliability in advanced power solutions.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
6Exact matchWinnipeg, MB, CanadaHQ recorded Nov 4, 2026201-500102 contacts →

Exact match

“Carte International has manufactured transformers since 1973.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
7Exact matchVal-d'or, QC, CanadaHQ recorded Nov 4, 2026n/a92 contacts →

Exact match

“Distribution et fabrication de matériel électrique et électronique.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
8Exact matchBrampton, ON, CanadaHQ recorded Nov 4, 202651-20090 contacts →

Exact match

“For more than 20 years, Powersmiths has been an industry leader in engineering, manufacturing and selling innovative, customer-centric and energy-efficient electrical power…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
9Exact matchLondon, ON, CanadaHQ recorded Nov 4, 202651-20066 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
10Exact matchCharlesbourg, CanadaHQ recorded Nov 4, 202651-20065 contacts →

Exact match

“La Société Générale d’Électrotechnique (SGE) est issue du regroupement de trois entreprises soeurs, soit Gémitech, Lignec et Transmag Énergie, chacune spécialisée dans un champ de…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
11Exact matchSherbrooke, ON, CanadaHQ recorded Nov 4, 202651-20055 contacts →

Exact match

“Surplec offers a centralized service for the sale, purchase, repair, rental, and testing of medium- and high-voltage transformers and equipment.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
12Exact matchWinnipeg, MB, CanadaHQ recorded Nov 4, 202611-5052 contacts →

Exact match

“Founded in 1993, ERLPhase began as a software and hardware engineering team developing transformer protection relays, with roots with the University of Manitoba.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
13Exact matchSaint-hubert, QC, CanadaHQ recorded Nov 4, 202651-20051 contacts →

Exact match

“Sicame Energie helps utilities and energy partners strengthen transmission, distribution, and substation networks with products built for North American field conditions.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
14Exact matchBois Des Filion, QC, CanadaHQ recorded Nov 4, 202651-20048 contacts →

Exact match

“EMSPEC is a global provider of equipment and services for electric power systems.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
15Exact matchSurrey, BC, CanadaHQ recorded Nov 4, 202611-5045 contacts →

Exact match

“Domino supplies power-related products and services to a wide variety of industry sectors.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
16Exact matchSurrey, BC, CanadaHQ recorded Nov 4, 202651-20042 contacts →

Exact match

“PREP capabilities include world class power transmission engineering product development, expertise in packaging mechanical equipment, and fully integrated systems including…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
17Exact matchSaint-augustin-de-desmaures, QC, CanadaHQ recorded Nov 4, 202611-5041 contacts →

Exact match

“With 46 years of expertise, Novolecs designs and manufactures innovative solutions for the production and distribution of energy.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
18Exact matchBurnaby, BC, CanadaHQ recorded Nov 4, 202651-20038 contacts →

Exact match

“Since 1955 Beaver Electrical has been providing an exceptional transformer and motor services.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
19Exact matchBolton, ON, CanadaHQ recorded Nov 4, 202611-5036 contacts →

Exact match

“Atlas Transformer is a Canadian corporation engaged in the Custom Design and Manufacturing of high quality Medium and High Voltage Dry Type and Liquid Filled Transformers.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
20Exact matchOkanagan Falls, BC, CanadaHQ recorded Nov 4, 202651-20035 contacts →

Exact match

“Powering industry with custom electrical solutions.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
21Exact matchSaint-alphonse-de-granby, QC, CanadaHQ recorded Nov 4, 202651-20033 contacts →

Exact match

“Based in Québec, WR Transformateurs develops, designs and manufactures high quality transformers that exceed various manufacturing and energy efficiency standards.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
22Exact matchGranby, QC, CanadaHQ recorded Nov 4, 2026501-1,00031 contacts →

Exact match

“Pioneer Transformers, an ERMCO, Inc.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
23Exact matchWinnipeg, MB, CanadaHQ recorded Nov 4, 202651-20023 contacts →

Exact match

“For over 50 years, Polycast has been a leader in the manufacture, research and development of epoxy cast products for electrical power apparatus and other industrial applications.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase

Showing 23 of 81 oil filled transformers manufacturers based in Canada

See the full list, filter by size, metro and specialty, and access 2,384 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oil filled transformers manufacturers based in Canada at a glance

As of Nov 4, 2026
43.8%Verified-email coverage
67.2Average contacts per company
11-50Median size (employees)
8.6%Largest-city concentration · Calgary
Nov 4, 2026Page data refreshed

Companies by employee count

1-10
22
11-50
25
51-200
20
201-500
6
501-1,000
4
1,001-5,000
3

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 81 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 “oil filled transformers manufacturers” 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 2,384 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 4, 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 “oil filled transformers manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil filled transformers manufacturers are there based in Canada?

RevenueBase identified 81 company matches for oil filled transformers manufacturers 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?

Hammond Power Solutions tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most oil filled transformers manufacturers?

Calgary leads with 7 company records, followed by Burlington (4) and Granby (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 2,384 professional contacts with verified work emails tracked across these 81 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 4, 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.