Company lists · Data refreshed September 2026

Top 25 Water infrastructure engineering firms based in Australia

RevenueBase identified 726 company matches for water infrastructure engineering firms associated with Australia as of September 2026 and tracks 28,510 professional contacts across them, including 13,353 with verified work emails. Sydney is the largest hub.

This list covers company matches for water infrastructure engineering firms associated with Australia, 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 September 19, 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 Sep 19, 2026 How this list was built
726Companies
28,510Contacts tracked
13,353Verified emails
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The 25 largest water infrastructure engineering firms based in Australia

Ranked by team size
Top 25 of 726 company matches for water infrastructure engineering firms based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 matchSydney, AustraliaHQ recorded Sep 19, 202610001+14,572 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchFortitude Valley, AustraliaHQ recorded Sep 19, 20261,001-5,000985 contacts →

Exact match

“Cardno is now officially Stantec.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchRegents Park, AustraliaHQ recorded Sep 19, 2026501-1,000543 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchAdelaide, AustraliaHQ recorded Sep 19, 2026501-1,000468 contacts →

Exact match

“Fyfe is an Australian professional services firm that delivers value through integrated engineering, environmental, planning and surveying services.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchNorth Sydney, AustraliaHQ recorded Sep 19, 2026501-1,000373 contacts →

Exact match

“With over 85 years’ experience, Iplex has an excellent understanding of the challenges the water industry faces.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchGirraween, AustraliaHQ recorded Sep 19, 2026501-1,000359 contacts →

Exact match

“A name synonymous with ‘challenging the status quo’, we have the heart of a humble business, with the vision of something much greater: a vision that drives the growth of our…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchHobart, AustraliaHQ recorded Sep 19, 2026201-500271 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchMacquarie Park, AustraliaHQ recorded Sep 19, 2026201-500260 contacts →

Exact match

“Enviropacific is committed to working towards creating safer environments and sustainable communities.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchAdelaide, AustraliaHQ recorded Sep 19, 2026201-500237 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchAdelaide, AustraliaHQ recorded Sep 19, 2026201-500217 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchHamilton, AustraliaHQ recorded Sep 19, 2026201-500198 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchShepparton, AustraliaHQ recorded Sep 19, 202651-200177 contacts →

Exact match

“Aquatec partners with Government, business and residential clients to deliver water, wastewater and odour control solutions for the long-term.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchBrisbane City, AustraliaHQ recorded Sep 19, 202651-200151 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchSydney Olympic Park, AustraliaHQ recorded Sep 19, 2026201-500147 contacts →

Exact match

“At Atlan Stormwater, we draw on more than 45 years’ experience in the design, testing and manufacture of water treatment systems that are utilised in over 45 countries.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchThebarton, AustraliaHQ recorded Sep 19, 202651-200137 contacts →

Exact match

“Guidera O'Connor (GO) is an Australian privately owned company operating only within the Water Industry and specialising in the delivery of water/wastewater treatment and pumping…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchLane Cove West, AustraliaHQ recorded Sep 19, 202651-200134 contacts →

Exact match

“Founded by the late Peter Ward in 1973, WARD is a multi-disciplined and full-service civil and environmental engineering contractor.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchSouthbank, AustraliaHQ recorded Sep 19, 2026501-1,000131 contacts →

Exact match

“At Mondo, we see a bright future.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchYatala, AustraliaHQ recorded Sep 19, 202651-200115 contacts →

Exact match

“Rob Carr offers advanced technical capabilities for utilities infrastructure and is recognised as a market leader in microtunnelling and other complex underground works across all…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchCampbellfield, AustraliaHQ recorded Sep 19, 202651-20099 contacts →

Exact match

“Civil Infrastructure Group (CIG) was formed in 2016 to provide specialist construction services to the civil infrastructure industry in Victoria.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchSouth East Queensland, AustraliaHQ recorded Sep 19, 202651-20098 contacts →

Exact match

“Burchills Engineering Solutions is a South East Qld based, locally owned multidisciplinary team of professional engineers & scientists with a track record of helping clients…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchMelbourne, AustraliaHQ recorded Sep 19, 2026201-50095 contacts →

Exact match

“Our people are the heart and soul of our business.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchSydney, AustraliaHQ recorded Sep 19, 202651-20095 contacts →

Exact match

“Water l Science l Technology The Hydroflux Group is a team of water and wastewater treatment experts harnessing the power of world leading research and technologies for a more…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchMulgrave, AustraliaHQ recorded Sep 19, 202651-20094 contacts →

Exact match

“CMP Consulting Group is a multi-disciplinary Engineering firm specialising in design, project management and construction phase services for the Water Industry.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchMayfield West, AustraliaHQ recorded Sep 19, 202651-20093 contacts →

Exact match

“Beca HunterH2O is a diverse, empowered, and trusted team of 300+ water specialists, passionate about healthy and sustainable communities wherever we work.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchWangara, AustraliaHQ recorded Sep 19, 202651-20093 contacts →

Exact match

“ADENCO is a dynamic company in the Water Management & Civil and Mechanical Engineering Industry.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 726 water infrastructure engineering firms based in Australia

See the full list, filter by size, metro and specialty, and access 13,353 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Water infrastructure engineering firms based in Australia at a glance

As of Sep 19, 2026
46.8%Verified-email coverage
39.3Average contacts per company
11-50Median size (employees)
9.0%Largest-city concentration · Sydney
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
330
11-50
263
51-200
90
201-500
19
501-1,000
12
1,001-5,000
3
5,001-10,000
2
10001+
2

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 726 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 Australia whose business descriptions match “water infrastructure engineering firms” 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 13,353 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 September 19, 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 “water infrastructure engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many water infrastructure engineering firms are there based in Australia?

RevenueBase identified 726 company matches for water infrastructure engineering firms associated with Australia as of September 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?

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

Which city has the most water infrastructure engineering firms?

Sydney leads with 65 company records, followed by Melbourne (40) and Brisbane (28).

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 13,353 professional contacts with verified work emails tracked across these 726 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 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 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.