Company lists · Data refreshed September 2026

Top 25 Utility engineering companies based in Australia

RevenueBase identified 630 utility engineering companies headquartered in Australia as of September 2026 and tracks 62,895 professional contacts across them, including 20,366 with verified work emails. Sydney is the largest hub.

This list covers utility engineering 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 19, 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 19, 2026 86% judged on-target in blind review
630Companies
62,895Contacts tracked
20,366Verified emails
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The 25 largest utility engineering companies based in Australia

Ranked by team size
Top 25 of 630 utility engineering companies based in Australia, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to utility engineering 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 evidenceSydney, AustraliaHQ checked Sep 19, 202610001+14,572 contacts →

Indirect evidence

“We are committed to addressing the world’s biggest challenges in the areas of water, energy and communities.”

Source: RevenueBase Database · checked Sep 19, 2026
2Indirect evidenceNorth Ryde, AustraliaHQ checked Sep 19, 202610001+10,666 contacts →

Indirect evidence

“Enabling communities to thrive.”

Source: RevenueBase Database · checked Sep 19, 2026
3Partial evidenceNorth Sydney, AustraliaHQ checked Sep 19, 20265,001-10,0005,965 contacts →

Partial evidence

“UGL is CIMIC Group's specialist end-to-end engineering, services and operations provider.”

Source: RevenueBase Database · checked Sep 19, 2026
4Partial evidenceNorth Sydney, AustraliaHQ checked Sep 19, 20265,001-10,0005,231 contacts →

Partial evidence

“SMEC is a global engineering, management and development consultancy with a 70-year history of delivering advanced solutions on a global scale across urban development…”

Source: RevenueBase Database · checked Sep 19, 2026
5Indirect evidenceMelbourne, AustraliaHQ checked Sep 19, 20261,001-5,0001,221 contacts →

Indirect evidence

“At Zinfra, our purpose is to be the leading and trusted delivery partner, making a positive contribution to Australia’s energy infrastructure.”

Source: RevenueBase Database · checked Sep 19, 2026
6Partial evidencePerth, AustraliaHQ checked Sep 19, 20261,001-5,0001,143 contacts →

Partial evidence

“Lycopodium is an Australian headquartered engineering and project management consultancy which provides a complete range of services for the evaluation, development…”

Source: RevenueBase Database · checked Sep 19, 2026
7Indirect evidenceFortitude Valley, AustraliaHQ checked Sep 19, 20261,001-5,000985 contacts →

Indirect evidence

“Cardno is now officially Stantec.”

Source: RevenueBase Database · checked Sep 19, 2026
8Indirect evidencePerth, AustraliaHQ checked Sep 19, 20261,001-5,000660 contacts →

Indirect evidence

“Calibre was acquired by WSP.”

Source: RevenueBase Database · checked Sep 19, 2026
9Indirect evidenceSt Leonards, AustraliaHQ checked Sep 19, 20265,001-10,000612 contacts →

Indirect evidence

“Sinclair Knight Merz was acquired by Jacobs in 2013.”

Source: RevenueBase Database · checked Sep 19, 2026
10Partial evidenceAdelaide, AustraliaHQ checked Sep 19, 2026501-1,000586 contacts →

Partial evidence

“We like to think of ourselves as one of the leading Engineering and Project Management companies across Australia and New Zealand.”

Source: RevenueBase Database · checked Sep 19, 2026
11Indirect evidenceRegents Park, AustraliaHQ checked Sep 19, 2026501-1,000543 contacts →

Indirect evidence

“Abergeldie is a locally owned contractor with 30 years industry experience in Australia and New Zealand.”

Source: RevenueBase Database · checked Sep 19, 2026
12Indirect evidenceRichmond, AustraliaHQ checked Sep 19, 20265,001-10,000521 contacts →

Indirect evidence

“For more than 125 years, Aveng has evolved in character, capacity and reach and continues to make its mark across the globe.”

Source: RevenueBase Database · checked Sep 19, 2026
13Indirect evidenceNorth Sydney, AustraliaHQ checked Sep 19, 2026201-500458 contacts →

Indirect evidence

“Established in 1976 and listed on the Kuala Lumpur Stock Exchange (KLSE) in 1992, Gamuda delivers innovative world-class infrastructure, concessions and communities development.”

Source: RevenueBase Database · checked Sep 19, 2026
14Indirect evidenceDoncaster, AustraliaHQ checked Sep 19, 2026201-500441 contacts →

Indirect evidence

“Nacap is a leading energy infrastructure contractor with four decades of global experience in delivering large-scale and complex energy infrastructure projects to power…”

Source: RevenueBase Database · checked Sep 19, 2026
15Partial evidenceUnley, AustraliaHQ checked Sep 19, 2026201-500346 contacts →

Partial evidence

“A highly experienced, multidisciplinary engineering and management firm, GPA has consulted and provided engineering, procurement and construction management (EPCM) services, since…”

Source: RevenueBase Database · checked Sep 19, 2026
16Partial evidenceMelbourne, AustraliaHQ checked Sep 19, 2026201-500317 contacts →

Partial evidence

“pitt & sherry is an Australian-owned engineering and environmental consultancy.”

Source: RevenueBase Database · checked Sep 19, 2026
17Indirect evidenceHobart, AustraliaHQ checked Sep 19, 2026201-500271 contacts →

Indirect evidence

“Entura is one of the world’s most experienced specialist power and water consulting firms.”

Source: RevenueBase Database · checked Sep 19, 2026
18Partial evidenceAdelaide, AustraliaHQ checked Sep 19, 2026201-500237 contacts →

Partial evidence

“Tonkin is a leading provider of engineering, environmental and consultancy services to private and public organisations.”

Source: RevenueBase Database · checked Sep 19, 2026
19Indirect evidenceAdelaide, AustraliaHQ checked Sep 19, 2026201-500217 contacts →

Indirect evidence

“Company Overview: TRILITY is an established industry leader, dedicated in the delivery of water, wastewater, reuse and bio-solids solutions across Australia and New Zealand’s…”

Source: RevenueBase Database · checked Sep 19, 2026
20Indirect evidenceNunawading, AustraliaHQ checked Sep 19, 2026201-500205 contacts →

Indirect evidence

“Ace Contractors Group Pty.”

Source: RevenueBase Database · checked Sep 19, 2026
21Indirect evidenceHamilton, AustraliaHQ checked Sep 19, 2026201-500198 contacts →

Indirect evidence

“We offer insightful, original design thinking, implemented by a team with proven expertise to deliver flexible fit-for-purpose critical infrastructure solutions.”

Source: RevenueBase Database · checked Sep 19, 2026
22Partial evidencePerth, AustraliaHQ checked Sep 19, 2026201-500188 contacts →

Partial evidence

“We are passionate about engineering the future by solving the world's natural resource challenges.”

Source: RevenueBase Database · checked Sep 19, 2026
23Indirect evidenceBrisbane, AustraliaHQ checked Sep 19, 202651-200185 contacts →

Indirect evidence

“Shamrock Civil is a privately owned civil construction company, delivering services to the Defence & Government sectors, gas and mining, transport infrastructure and commercial.”

Source: RevenueBase Database · checked Sep 19, 2026
24Indirect evidenceSydney, AustraliaHQ checked Sep 19, 202651-200167 contacts →

Indirect evidence

“MBB Group is an independent consultancy firm, specialising in finding and developing innovative, effective solutions to complex infrastructure projects and programs.”

Source: RevenueBase Database · checked Sep 19, 2026
25Indirect evidenceBrisbane City, AustraliaHQ checked Sep 19, 202651-200151 contacts →

Indirect evidence

“Premise is now part of Amey and operates as Amey Australia.”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 630 utility engineering companies based in Australia

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Utility engineering companies based in Australia at a glance

As of Sep 19, 2026
32.4%Verified-email coverage
99.8Average contacts per company
11-50Median size (employees)
9.7%Largest-city concentration · Sydney
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
261
11-50
217
51-200
101
201-500
22
501-1,000
10
1,001-5,000
7
5,001-10,000
7
10001+
4

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 630 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 utility engineering 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 “utility engineering 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 utility engineering 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 utility engineering 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, 20,366 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 19, 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 utility engineering 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 utility engineering companies are there based in Australia?

RevenueBase identified 630 utility engineering 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?

GHD, headquartered in Sydney, tops this list with the largest team on record.

Which city has the most utility engineering companies?

Sydney leads with 61 headquartered companies, followed by Melbourne (56) and Brisbane (42).

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 20,366 verified decision-maker contacts tracked across these 630 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 19, 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.