Company lists · Data refreshed September 2026

Top 25 Industrial wastewater treatment companies based in Australia

Name: Industrial wastewater treatment companies based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 143 companies tracked

RevenueBase identified 143 industrial wastewater treatment companies headquartered in Australia as of September 2026 and tracks 2,216 professional contacts across them, including 989 with verified work emails. Melbourne is the largest hub.

This list covers industrial wastewater treatment 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 17, 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 17, 2026 86% judged on-target in blind review

143Companies

2,216Contacts tracked

989Verified emails

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The 25 largest industrial wastewater treatment companies based in Australia

Ranked by team size

Top 25 of 143 industrial wastewater treatment companies based in Australia, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to industrial wastewater treatment 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Hydrochem	Partial evidence	Braeside, AustraliaHQ checked Sep 17, 2026	201-500	255 contacts →
	Partial evidence “HydroChem is one of Australia’s leading companies providing high quality water treatment services.” Source: RevenueBase Database · checked Sep 17, 2026
2	Atlan Stormwater	Partial evidence	Sydney Olympic Park, AustraliaHQ checked Sep 17, 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 17, 2026
3	Integra Water Treatment Solutions	Partial evidence	Miranda, AustraliaHQ checked Sep 17, 2026	51-200	119 contacts →
	Partial evidence “Established in 1990, Integra Water Treatment Solutions is one of Australia’s largest privately owned and operated water treatment providers.” Source: RevenueBase Database · checked Sep 17, 2026
4	Hydroflux PTY LTD	Strong evidence	Sydney, AustraliaHQ checked Sep 17, 2026	51-200	95 contacts →
	Strong 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 17, 2026
5	Water Treatment Services Australia	Partial evidence	Townsville, AustraliaHQ checked Sep 17, 2026	11-50	80 contacts →
	Partial evidence “Water Treatment Services solves complex water problems using intelligent technologies and a whole-of-system approach to make water fit for use, reuse and release.” Source: RevenueBase Database · checked Sep 17, 2026
6	Scidev	Indirect evidence	Seven Hills, AustraliaHQ checked Sep 17, 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 17, 2026
7	MAK Water	Strong evidence	Malaga, AustraliaHQ checked Sep 17, 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 17, 2026
8	Protex Water	Partial evidence	Corio, AustraliaHQ checked Sep 17, 2026	51-200	65 contacts →
	Partial evidence “Born from a 35-year heritage in the water industry, Protex Water is the new name for AKS Industries, effective 1st July 2024.” Source: RevenueBase Database · checked Sep 17, 2026
9	Hydro Flow Australia	Partial evidence	Noble Park North, AustraliaHQ checked Sep 17, 2026	51-200	49 contacts →
	Partial evidence “Manufacturer and supplier of water treatment chemicals, equipment and support services.” Source: RevenueBase Database · checked Sep 17, 2026
10	Amiad Water Systems	Indirect evidence	Melbourne, AustraliaHQ checked Sep 17, 2026	11-50	46 contacts →
	Indirect evidence “Amiad Water Systems has operated in Australia & New Zealand since 1979 and is a fully owned subsidiary of Amiad.” Source: RevenueBase Database · checked Sep 17, 2026
11	The Environmental Group Limited	Partial evidence	Mount Waverley, AustraliaHQ checked Sep 17, 2026	201-500	44 contacts →
	Partial 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 17, 2026
12	Aqseptence Group Australia	Partial evidence	Geebung, AustraliaHQ checked Sep 17, 2026	1,001-5,000	31 contacts →
	Partial evidence “Aqseptence Group is a global specialist for water and wastewater management, screening and filtration technologies for separating solids from liquids and gases, as well as vacuum…” Source: RevenueBase Database · checked Sep 17, 2026
13	Ozzi Kleen	Indirect evidence	Kunda Park, AustraliaHQ checked Sep 17, 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 17, 2026
14	Aerofloat Australia	Strong evidence	Taren Point, AustraliaHQ checked Sep 17, 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 17, 2026
15	Oleology	Partial evidence	Henderson, AustraliaHQ checked Sep 17, 2026	11-50	29 contacts →
	Partial evidence “OLEOLOGY is the name in water treatment, that offers effective, economically viable and market leading oil and hydrocarbon removal solutions.” Source: RevenueBase Database · checked Sep 17, 2026
16	ACO Halgan PTY LTD	Strong evidence	Wetherill Park, AustraliaHQ checked Sep 17, 2026	51-200	26 contacts →
	Strong evidence “ACO Halgan Pty Ltd, specialises in all aspects of wastewater treatment.” Source: RevenueBase Database · checked Sep 17, 2026
17	SAS Water Solutions	Partial evidence	Castle Hill Nsw, AustraliaHQ checked Sep 17, 2026	11-50	22 contacts →
	Partial evidence “SAS Water provides unique customised solutions for treatment of Process & Potable water, Sewerage & Recycled water, Storm water harvesting, landfill Leachate, Sewer mining…” Source: RevenueBase Database · checked Sep 17, 2026
18	LC Water	Strong evidence	Geelong, AustraliaHQ checked Sep 17, 2026	11-50	21 contacts →
	Strong 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 17, 2026
19	Innovative Filtration Solutions	Strong evidence	Malaga, AustraliaHQ checked Sep 17, 2026	11-50	20 contacts →
	Strong evidence “Innovative Filtration Solutions specialise in dewatering in wastewater, water treatment, mining, and tailings.” Source: RevenueBase Database · checked Sep 17, 2026
20	Integrated Water Management	Partial evidence	Salisbury, AustraliaHQ checked Sep 17, 2026	11-50	17 contacts →
	Partial evidence “Integrated Water Management (iH2OM) was established in 2011 and operates across Australia with a vision for providing outstanding value for clients with innovative water treatment…” Source: RevenueBase Database · checked Sep 17, 2026
21	Aquacell PTY LTD	Partial evidence	Milsons Point, AustraliaHQ checked Sep 17, 2026	11-50	16 contacts →
	Partial evidence “At Aquacell, we don't think we should waste water, so we take the waste out of wastewater.” Source: RevenueBase Database · checked Sep 17, 2026
22	Parkway Process Solutions	Strong evidence	Sunshine North, AustraliaHQ checked Sep 17, 2026	51-200	16 contacts →
	Strong evidence “Parkway Process Solutions (PPS) is a leading provider of industrial and innovative water treatment related, products, services, solutions & technology across Australia, with…” Source: RevenueBase Database · checked Sep 17, 2026
23	Bioaction PTY LTD	Indirect evidence	Tuggerah, AustraliaHQ checked Sep 17, 2026	11-50	14 contacts →
	Indirect evidence “Bioaction Pty Ltd is a privately owned business that was established to develop unique solutions to environmental problems.” Source: RevenueBase Database · checked Sep 17, 2026
24	PR Water	Strong evidence	Wangara, AustraliaHQ checked Sep 17, 2026	11-50	13 contacts →
	Strong evidence “PR Water is an Australian wide company providing industrial water treatment, dust suppression and truck wheel wash equipment.” Source: RevenueBase Database · checked Sep 17, 2026
25	Remote Water Treatment Services	Partial evidence	Tingalpa, AustraliaHQ checked Sep 17, 2026	11-50	10 contacts →
	Partial evidence “Remote Water Treatment Services is proud to be Australia’s trusted water treatment specialists.” Source: RevenueBase Database · checked Sep 17, 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: industrial wastewater treatment companies. 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 industrial wastewater treatment companies.
Partial evidence: Its own public description names part of industrial wastewater treatment companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name industrial wastewater treatment companies. 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 143 industrial wastewater treatment companies based in Australia

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Industrial wastewater treatment companies based in Australia at a glance

As of Sep 17, 2026

44.6%Verified-email coverage

15.5Average contacts per company

11-50Median size (employees)

6.3%Largest-city concentration · Melbourne

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

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 143 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 industrial wastewater treatment 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 “industrial wastewater treatment 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 industrial wastewater treatment 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 industrial wastewater treatment 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, 989 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 17, 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 industrial wastewater treatment 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 industrial wastewater treatment companies are there based in Australia?

RevenueBase identified 143 industrial wastewater treatment 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?

Hydrochem, headquartered in Braeside, tops this list with the largest team on record.

Which city has the most industrial wastewater treatment companies?

Melbourne leads with 9 headquartered companies, followed by Perth (9) and Sydney (9).

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 989 verified decision-maker contacts tracked across these 143 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 17, 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.