Company lists · Data refreshed September 2026

Top 25 Sewage treatment plant operators based in Australia

Name: Sewage treatment plant operators based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 95 companies tracked

RevenueBase identified 95 sewage treatment plant operators headquartered in Australia as of September 2026 and tracks 8,489 professional contacts across them, including 3,488 with verified work emails. Sydney is the largest hub.

This list covers sewage treatment plant operators 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 22, 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 22, 2026 86% judged on-target in blind review

95Companies

8,489Contacts tracked

3,488Verified emails

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The 25 largest sewage treatment plant operators based in Australia

Ranked by team size

Top 25 of 95 sewage treatment plant operators based in Australia, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to sewage treatment plant operators: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Cleanaway Waste Management	Indirect evidence	Melbourne, AustraliaHQ checked Sep 22, 2026	5,001-10,000	3,005 contacts →
	Indirect evidence “Cleanaway Waste Management Limited is Australia’s largest, publicly listed waste management company.” Source: RevenueBase Database · checked Sep 22, 2026
2	Veolia Australia & NEW Zealand	Indirect evidence	Pyrmont, AustraliaHQ checked Sep 22, 2026	5,001-10,000	2,476 contacts →
	Indirect evidence “Veolia Australia and New Zealand is a leading provider of environmental solutions across water and wastewater services, industrial cleaning, waste management and resource recovery…” Source: RevenueBase Database · checked Sep 22, 2026
3	Urban Utilities	Indirect evidence	Fortitude Valley, AustraliaHQ checked Sep 22, 2026	1,001-5,000	1,064 contacts →
	Indirect evidence “We’re responsible for delivering world-class drinking water and wastewater services to the growing communities of Brisbane, Ipswich, Lockyer Valley, Somerset and Scenic Rim.” Source: RevenueBase Database · checked Sep 22, 2026
4	Remondis Australia	Indirect evidence	Sydney, AustraliaHQ checked Sep 22, 2026	1,001-5,000	389 contacts →
	Indirect evidence “REMONDIS Australia is the local operation of one of the world's largest recycling, service and water companies - and we've been here in Australia since 1982.” Source: RevenueBase Database · checked Sep 22, 2026
5	Trility	Indirect evidence	Adelaide, AustraliaHQ checked Sep 22, 2026	201-500	217 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 22, 2026
6	Aquatec	Indirect evidence	Shepparton, AustraliaHQ checked Sep 22, 2026	51-200	177 contacts →
	Indirect evidence “Aquatec partners with Government, business and residential clients to deliver water, wastewater and odour control solutions for the long-term.” Source: RevenueBase Database · checked Sep 22, 2026
7	TDG Environmental	Indirect evidence	Victoria, AustraliaHQ checked Sep 22, 2026	501-1,000	176 contacts →
	Indirect evidence “TDG environmental is a proudly Australian-owned company operating throughout Australia and New Zealand.” Source: RevenueBase Database · checked Sep 22, 2026
8	Atlan Stormwater	Partial evidence	Sydney Olympic Park, AustraliaHQ checked Sep 22, 2026	201-500	147 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 22, 2026
9	Hydroflux PTY LTD	Partial evidence	Sydney, AustraliaHQ checked Sep 22, 2026	51-200	95 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 22, 2026
10	Scidev	Indirect evidence	Seven Hills, AustraliaHQ checked Sep 22, 2026	51-200	78 contacts →
	Indirect evidence “Our solutions allow our clients to recycle and reuse water, improve operational efficiencies and reduce their environmental footprints.” Source: RevenueBase Database · checked Sep 22, 2026
11	MAK Water	Strong evidence	Malaga, AustraliaHQ checked Sep 22, 2026	51-200	69 contacts →
	Strong evidence “At MAK Water, we help clients achieve reliable, cost-effective and sustainable water, wastewater and sewage treatment solutions.” Source: RevenueBase Database · checked Sep 22, 2026
12	The Environmental Group Limited	Indirect evidence	Mount Waverley, AustraliaHQ checked Sep 22, 2026	201-500	44 contacts →
	Indirect evidence “Engineering a Sustainable Future The Environmental Group Limited is an environmental engineering company that provides products and engineering services to various industries to…” Source: RevenueBase Database · checked Sep 22, 2026
13	Ozzi Kleen	Indirect evidence	Kunda Park, AustraliaHQ checked Sep 22, 2026	51-200	31 contacts →
	Indirect evidence “As the team behind the Ozzi Kleen product range, we strive to engineer, produce and maintain the highest level of quality not only for the pride we take in delivering reliable…” Source: RevenueBase Database · checked Sep 22, 2026
14	Aerofloat Australia	Strong evidence	Taren Point, AustraliaHQ checked Sep 22, 2026	11-50	30 contacts →
	Strong evidence “Aerofloat is a design & construct business that specialises in industrial wastewater treatment and sewage treatment.” Source: RevenueBase Database · checked Sep 22, 2026
15	ACO Halgan PTY LTD	Partial evidence	Wetherill Park, AustraliaHQ checked Sep 22, 2026	51-200	26 contacts →
	Partial evidence “ACO Halgan Pty Ltd, specialises in all aspects of wastewater treatment.” Source: RevenueBase Database · checked Sep 22, 2026
16	LC Water	Partial evidence	Geelong, AustraliaHQ checked Sep 22, 2026	11-50	21 contacts →
	Partial evidence “LC Water is a process engineering team of experts specialising in the design and construction of water and wastewater treatment facilities in Australia and the subcontinent, with…” Source: RevenueBase Database · checked Sep 22, 2026
17	Sydney Waste Services	Indirect evidence	Sydney, AustraliaHQ checked Sep 22, 2026	201-500	21 contacts →
	Indirect evidence “At Sydney Waste Services we aim to provide our customers with the best, efficient & environmentally sound solutions to their waste management needs.” Source: RevenueBase Database · checked Sep 22, 2026
18	Corio Waste Management PTY LTD	Indirect evidence	Moolap, AustraliaHQ checked Sep 22, 2026	51-200	20 contacts →
	Indirect evidence “Taking its name from the Corio Bay in the southwest corner of Port Phillip close to where the company was established in Geelong in 1996, Corio Waste Management Pty Ltd (CWM) is…” Source: RevenueBase Database · checked Sep 22, 2026
19	Aquacell PTY LTD	Indirect evidence	Milsons Point, AustraliaHQ checked Sep 22, 2026	11-50	16 contacts →
	Indirect evidence “At Aquacell, we don't think we should waste water, so we take the waste out of wastewater.” Source: RevenueBase Database · checked Sep 22, 2026
20	Binnies Australia	Indirect evidence	Fortitude Valley, AustraliaHQ checked Sep 22, 2026	11-50	13 contacts →
	Indirect evidence “We are proud of our more than 100-year heritage, helping our clients across the globe efficiently and effectively collect, store, move and treat water and wastewater, plan and…” Source: RevenueBase Database · checked Sep 22, 2026
21	Stows Waste Management	Indirect evidence	Campbellfield, AustraliaHQ checked Sep 22, 2026	11-50	10 contacts →
	Indirect evidence “Stows has grown steadily over the years to become a leader in the collection, transport and disposal of liquid and solid wastes for a diverse range of industries.” Source: RevenueBase Database · checked Sep 22, 2026
22	Harmor Services	Indirect evidence	Kilsyth, AustraliaHQ checked Sep 22, 2026	11-50	10 contacts →
	Indirect evidence “Harmor Liquid Wastewater Management is one of Australia’s most comprehensive providers of liquid waste, industrial cleaning and environmental management solutions.” Source: RevenueBase Database · checked Sep 22, 2026
23	Global Water Technologies GWT	Partial evidence	Homebush, AustraliaHQ checked Sep 22, 2026	11-50	9 contacts →
	Partial evidence “At Global Water Technologies (GWT), we are proud to be a technology-agnostic firm, offering access to a diverse range of proven water treatment technologies sourced from around…” Source: RevenueBase Database · checked Sep 22, 2026
24	Iconic Water Solutions	Partial evidence	Perth, AustraliaHQ checked Sep 22, 2026	11-50	9 contacts →
	Partial evidence “Iconic Water Solutions focuses on delivering comprehensive water treatment and infrastructure services.” Source: RevenueBase Database · checked Sep 22, 2026
25	Westrex	Indirect evidence	Murarrie, AustraliaHQ checked Sep 22, 2026	11-50	7 contacts →
	Indirect evidence “Waste Management Experts - liquid & solid hazardous waste management, organics recycling and contaminated site remediation.” Source: RevenueBase Database · checked Sep 22, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: sewage treatment plant operators. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names sewage treatment plant operators.
Partial evidence: Its own public description names part of sewage treatment plant operators, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name sewage treatment plant operators. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 95 sewage treatment plant operators based in Australia

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Sewage treatment plant operators based in Australia at a glance

As of Sep 22, 2026

41.1%Verified-email coverage

89.4Average contacts per company

11-50Median size (employees)

7.4%Largest-city concentration · Sydney

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 95 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 sewage treatment plant operators, 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 “sewage treatment plant operators”. 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 sewage treatment plant operators), 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 sewage treatment plant operators, 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, 3,488 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 22, 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 sewage treatment plant operators, 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 sewage treatment plant operators are there based in Australia?

RevenueBase identified 95 sewage treatment plant operators 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?

Cleanaway Waste Management, headquartered in Melbourne, tops this list with the largest team on record.

Which city has the most sewage treatment plant operators?

Sydney leads with 7 headquartered companies, followed by Melbourne (4) and Perth (3).

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 3,488 verified decision-maker contacts tracked across these 95 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 22, 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.