Company lists · Data refreshed September 2026

Top 16 Hydroelectric maintenance and repair companies based in Australia

RevenueBase identified 27 hydroelectric maintenance and repair companies headquartered in Australia as of September 2026 and tracks 322 professional contacts across them, including 151 with verified work emails. Perth is the largest hub.

This list covers hydroelectric maintenance and repair companies 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 20, 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 20, 2026 86% judged on-target in blind review
27Companies
322Contacts tracked
151Verified emails
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The 16 largest hydroelectric maintenance and repair companies based in Australia

Ranked by team size
Top 16 of 27 hydroelectric maintenance and repair companies based in Australia, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to hydroelectric maintenance and repair companies: 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
1Indirect evidenceCambridge, AustraliaHQ checked Sep 20, 202651-20050 contacts →

Indirect evidence

“Do you need a High Voltage partner who can design, commission and maintain your system, whilst providing you the peace of mind that it's been done right?”

Source: RevenueBase Database · checked Sep 20, 2026
2Partial evidenceYatala, AustraliaHQ checked Sep 20, 202651-20042 contacts →

Partial evidence

“EMACS Electrical and Mechanical Repairs is a complete service provider for all rotating machinery overhauls (electric motor repairs, pump repairs, hazardous area motor repairs…”

Source: RevenueBase Database · checked Sep 20, 2026
3Indirect evidenceSomersby, AustraliaHQ checked Sep 20, 202611-5031 contacts →

Indirect evidence

“Providing the highest quality professional sales and service for all your rotating equipment needs in - Australia - New Zealand - PNG - Pacific Islands Our activities cover the…”

Source: RevenueBase Database · checked Sep 20, 2026
4Indirect evidenceSydney, AustraliaHQ checked Sep 20, 2026201-50031 contacts →

Indirect evidence

“Electrical & Pumping Services Australia is now part of the EnerMech group of companies.”

Source: RevenueBase Database · checked Sep 20, 2026
5Indirect evidenceBelmont, AustraliaHQ checked Sep 20, 202611-5022 contacts →

Indirect evidence

“Rotation Solutions is a turbo-machinery service provider based in Western Australia, founded with 20 years experience in a variety of industries.”

Source: RevenueBase Database · checked Sep 20, 2026
6Partial evidenceBassendean, AustraliaHQ checked Sep 20, 202651-20018 contacts →

Partial evidence

“ERM is an Engineering firm specialising in- Generator, Motor & Transformer Repairs (Turn Key Solutions)- Supply of Generators, Motors, Transformers and all other HV Assets - High…”

Source: RevenueBase Database · checked Sep 20, 2026
7Indirect evidencePerth, AustraliaHQ checked Sep 20, 20261-1014 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
8Partial evidenceGlendenning, AustraliaHQ checked Sep 20, 202651-20010 contacts →

Partial evidence

“Leaders in Power Generation Maintenance.”

Source: RevenueBase Database · checked Sep 20, 2026
9Indirect evidenceShepparton, AustraliaHQ checked Sep 20, 202611-5010 contacts →

Indirect evidence

“Are you looking for reliable, efficient solutions to keep your industrial operations running smoothly?”

Source: RevenueBase Database · checked Sep 20, 2026
10Partial evidenceWetherill Park, AustraliaHQ checked Sep 20, 202611-508 contacts →

Partial evidence

“Rotech Australia is an Electrical and Mechanical Repair specialist for rotating machines including; Electric motors, pumps, hazardous area motors, fans, generators, pulleys and…”

Source: RevenueBase Database · checked Sep 20, 2026
11Indirect evidenceSeven Hills, AustraliaHQ checked Sep 20, 202611-504 contacts →

Indirect evidence

“EMT OMEC is proud to be one of Australia’s longstanding Electric Motor companies having withstood the test of time for over a quarter of a century.”

Source: RevenueBase Database · checked Sep 20, 2026
12Indirect evidenceHazelwood North, AustraliaHQ checked Sep 20, 20261-104 contacts →

Indirect evidence

“Firmins Lane Engineering Pty Ltd proudly provides engineering technology, workshop capability, service, experience and skills to the power, mining and hydro industrie.”

Source: RevenueBase Database · checked Sep 20, 2026
13Partial evidenceSydney, AustraliaHQ checked Sep 20, 202611-503 contacts →

Partial evidence

“Marine, Mining, Industrial Electrical Servicing, Rotating Machine Rewind and Repair.”

Source: RevenueBase Database · checked Sep 20, 2026
14Indirect evidenceTruganina, AustraliaHQ checked Sep 20, 202611-502 contacts →

Indirect evidence

“Providing solutions in electro-mechanical engineering, primarily in relation to rotating machinery.”

Source: RevenueBase Database · checked Sep 20, 2026
15Partial evidenceBurnside, AustraliaHQ checked Sep 20, 202611-502 contacts →

Partial evidence

“At City Generators, we provide a complete range of services that encompass all aspects of power generation, from maintenance, hire and sales to “turnkey” power systems that we can…”

Source: RevenueBase Database · checked Sep 20, 2026
16Indirect evidencePerth, AustraliaHQ checked Sep 20, 20261-101 contacts →

Indirect evidence

“FIELD SERVICE Our field service specialist technicians operate across Western Australia and setup with mine spec vehicles and specialised tooling HIGH HORSERPOWER ENGINE…”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 16 of 27 hydroelectric maintenance and repair companies based in Australia

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Hydroelectric maintenance and repair companies based in Australia at a glance

As of Sep 20, 2026
46.9%Verified-email coverage
11.9Average contacts per company
11-50Median size (employees)
11.1%Largest-city concentration · Perth
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
9
11-50
13
51-200
4
201-500
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 27 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 hydroelectric maintenance and repair companies, 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 “hydroelectric maintenance and repair companies”. 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 hydroelectric maintenance and repair companies), 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 hydroelectric maintenance and repair companies, 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, 151 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 20, 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 hydroelectric maintenance and repair companies, 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 hydroelectric maintenance and repair companies are there based in Australia?

RevenueBase identified 27 hydroelectric maintenance and repair companies 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?

Megavar, headquartered in Cambridge, tops this list with the largest team on record.

Which city has the most hydroelectric maintenance and repair companies?

Perth leads with 3 headquartered companies, followed by Sydney (3) and Adelaide (1).

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 151 verified decision-maker contacts tracked across these 27 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 20, 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.