Company lists · Data refreshed September 2026

Top 14 Instrument transformer manufacturers based in Australia

RevenueBase identified 35 instrument transformer manufacturers headquartered in Australia as of September 2026 and tracks 530 professional contacts across them, including 251 with verified work emails. Dandenong South is the largest hub.

This list covers instrument transformer manufacturers headquartered in Australia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 30, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 30, 2026 86% judged on-target in blind review
35Companies
530Contacts tracked
251Verified emails
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The 14 largest instrument transformer manufacturers based in Australia

Ranked by team size
Top 14 of 35 instrument transformer manufacturers based in Australia, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to instrument transformer manufacturers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceGlen Waverley, AustraliaHQ checked Sep 30, 2026501-1,000267 contacts →

Partial evidence

“THE TRANSFORMER SOLUTION SPECIALIST Established in 1933 with a proud history, Wilson Transformer Company is a leading specialist in the delivery of transformer solutions.”

Source: RevenueBase Database · checked Sep 30, 2026
2Partial evidenceMalaga, AustraliaHQ checked Sep 30, 202611-5023 contacts →

Partial evidence

“Grant Transformers is a company based in Malaga, Perth.”

Source: RevenueBase Database · checked Sep 30, 2026
3Indirect evidenceMelbourne, AustraliaHQ checked Sep 30, 202611-5015 contacts →

Indirect evidence

“GFF Power is an Australian-owned and operated provider of proven equipment solutions for the nation’s evolving energy sector.”

Source: RevenueBase Database · checked Sep 30, 2026
4Indirect evidenceGlen Iris, AustraliaHQ checked Sep 30, 202611-5012 contacts →

Indirect evidence

“Founded in 1946, M.”

Source: RevenueBase Database · checked Sep 30, 2026
5Partial evidenceYennora, AustraliaHQ checked Sep 30, 202611-5012 contacts →

Partial evidence

“Star Delta has been designing and manufacturing transformers to keep Australia energised for over 50 years.”

Source: RevenueBase Database · checked Sep 30, 2026
6Strong evidenceWallan, AustraliaHQ checked Sep 30, 202611-508 contacts →

Strong evidence

“Altro Transformers is a specialist in the engineering and manufacture of electrical transformers, power quality systems and packaged power systems for commercial and utility solar…”

Source: RevenueBase Database · checked Sep 30, 2026
7Strong evidenceDandenong South, AustraliaHQ checked Sep 30, 2026201-5007 contacts →

Strong evidence

“Beginning in 1956 as a specialised transformer manufacturer, ETEL is New Zealand’s largest transformer manufacturing company.”

Source: RevenueBase Database · checked Sep 30, 2026
8Partial evidenceWest Gosford, AustraliaHQ checked Sep 30, 202611-506 contacts →

Partial evidence

“Fulton Industries Australia is a Manufacturer and Distributor of Underground and Overhead Electrical Equipment.”

Source: RevenueBase Database · checked Sep 30, 2026
9Indirect evidenceNarangba, AustraliaHQ checked Sep 30, 202611-506 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 30, 2026
10Strong evidenceDandenong South, AustraliaHQ checked Sep 30, 20261-106 contacts →

Strong evidence

“Southern Electronic Services (SES) is an Australian manufacturer specialising in power transformer solutions.”

Source: RevenueBase Database · checked Sep 30, 2026
11Partial evidenceNunawading, AustraliaHQ checked Sep 30, 202611-504 contacts →

Partial evidence

“Activity and Scope: R&D, Production, sales and service of condition monitoring and test equipment for electrical assets- For over 40 years Red Phase Instruments has been at the…”

Source: RevenueBase Database · checked Sep 30, 2026
12Indirect evidenceTuggerah, AustraliaHQ checked Sep 30, 20261-103 contacts →

Indirect evidence

“Macey's Electrical Australia is the leading test and measurement equipment provider for the Australian electrical utilities, private network owners and the workforce that builds…”

Source: RevenueBase Database · checked Sep 30, 2026
13Indirect evidenceBrisbane, AustraliaHQ checked Sep 30, 20261-102 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 30, 2026
14Indirect evidenceWollongong, AustraliaHQ checked Sep 30, 20261-101 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 30, 2026

Showing 14 of 35 instrument transformer manufacturers based in Australia

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Instrument transformer manufacturers based in Australia at a glance

As of Sep 30, 2026
47.4%Verified-email coverage
15.1Average contacts per company
11-50Median size (employees)
8.6%Largest-city concentration · Dandenong South
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
15
11-50
17
201-500
2
501-1,000
1

Email recency for this list is measured worldwide rather than for Australia, so it is reported there. Company counts and contact totals on this page are exact for Australia, over 35 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among instrument transformer manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Australia whose own description of what they do matches “instrument transformer manufacturers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names instrument transformer manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among instrument transformer manufacturers, and records with no verified work email. Companies headquartered outside Australia are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 251 across the full list. 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 30, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names instrument transformer manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many instrument transformer manufacturers are there based in Australia?

RevenueBase identified 35 instrument transformer manufacturers headquartered in Australia as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Wilson Transformer Company, headquartered in Glen Waverley, tops this list with the largest team on record.

Which city has the most instrument transformer manufacturers?

Dandenong South leads with 3 headquartered companies, followed by Melbourne (2) and Perth (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 251 verified decision-maker contacts tracked across these 35 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 30, 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 Smart Search, 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.