Company lists · Data refreshed November 2026
Top 25 Wastewater treatment engineering services based in Australia
RevenueBase identified 242 company matches for wastewater treatment engineering services associated with Australia as of November 2026 and tracks 3,681 professional contacts across them, including 1,928 with verified work emails. Sydney is the largest hub.
This list covers company matches for wastewater treatment engineering services 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 November 3, 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.
The 25 largest wastewater treatment engineering services based in Australia
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 271 contacts → | ||||
Exact match “HydroChem is one of Australia’s leading companies providing high quality water treatment services.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 2 | 265 contacts → | ||||
Exact match “Enviropacific is committed to working towards creating safer environments and sustainable communities.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 3 | 237 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 · Nov 3, 2026 · View company records in RevenueBase | |||||
| 4 | 177 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 · Nov 3, 2026 · View company records in RevenueBase | |||||
| 5 | 171 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 · Nov 3, 2026 · View company records in RevenueBase | |||||
| 6 | 146 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 · Nov 3, 2026 · View company records in RevenueBase | |||||
| 7 | 106 contacts → | ||||
Exact match “Aquatec Maxcon is a leading provider of water and wastewater technology and solutions in Australia.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 8 | 102 contacts → | ||||
Exact match “Hydroflux brings together engineering, technology and sustainability expertise to solve complex water and wastewater challenges.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 9 | 98 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 · Nov 3, 2026 · View company records in RevenueBase | |||||
| 10 | 80 contacts → | ||||
Exact match “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.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 11 | 79 contacts → | ||||
Exact match “PPS Water Group is a proudly Australian company delivering turnkey water infrastructure solutions to the resource sector and beyond.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 12 | 75 contacts → | ||||
Exact match “At MAK Water, we help clients achieve reliable, cost-effective and sustainable water, wastewater and sewage treatment solutions.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 13 | 72 contacts → | ||||
Exact match “Our solutions allow our clients to recycle and reuse water, improve operational efficiencies and reduce their environmental footprints.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 14 | 71 contacts → | ||||
Exact match “Born from a 35-year heritage in the water industry, Protex Water is the new name for AKS Industries, effective 1st July 2024.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 15 | 70 contacts → | ||||
Exact match “Witthoft Engineering Pty Ltd is an engineering consultancy company based in Brisbane, Australia, which specialises in electrical, instrumentation, industrial control system…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 16 | 67 contacts → | ||||
Exact match “In 2025, Aqua Metro was acquired by Saunders (ASX:SND)- a leading Australian engineering, construction and industrial services company delivering multidisciplinary solutions…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 17 | 47 contacts → | ||||
Exact match “Engineering a Sustainable Future The Environmental Group Limited is an environmental engineering company that provides products and engineering services to various industries to…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 18 | 42 contacts → | ||||
Exact match “Aerofloat is a design & construct business that specialises in industrial wastewater treatment and sewage treatment.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 19 | 33 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 20 | 29 contacts → | ||||
Exact match “Innovent Engineering Group are industry leaders in the Environmental and Air Pollution Control sector with core capabilities in- Engineering and Design - Electrical &…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 21 | 26 contacts → | ||||
Exact match “SAS Water provides unique customised solutions for treatment of Process & Potable water, Sewerage & Recycled water, Storm water harvesting, landfill Leachate, Sewer mining…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 22 | 26 contacts → | ||||
Exact match “Global Water partners with municipalities, engineers, civil contractors and plumbers to engineer and deliver world-class potable water, wastewater and stormwater collection…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 23 | 25 contacts → | ||||
Exact match “WSce is a multi-discipline Australian-owned consulting engineering firm specialising in civil, water, hydraulic, fire services (wet & dry fire) and specialty water and wasterwater…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 24 | 25 contacts → | ||||
Exact match “ACO Halgan Pty Ltd, specialises in all aspects of wastewater treatment.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 25 | 24 contacts → | ||||
Exact match “The problems we solve: Industrial water challenges rarely arrive on schedule.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “wastewater treatment engineering services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 242 wastewater treatment engineering services based in Australia
See the full list, filter by size, metro and specialty, and access 1,928 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Wastewater treatment engineering services based in Australia at a glance
As of Nov 3, 2026Companies by employee count
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 242 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 “wastewater treatment engineering services” 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 1,928 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 November 3, 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 “wastewater treatment engineering services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many wastewater treatment engineering services are there based in Australia?
RevenueBase identified 242 company matches for wastewater treatment engineering services associated with Australia as of November 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?
Hydrochem tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most wastewater treatment engineering services?
Sydney leads with 18 company records, followed by Perth (15) and Melbourne (10).
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 1,928 professional contacts with verified work emails tracked across these 242 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 November 3, 2026.
Ready to reach these companies? Verified emails and direct dials for all 242 wastewater treatment engineering services based in Australia. Start with a free account, no credit card.
Download this list →Related lists
Wastewater treatment engineering services by geography
- Wastewater treatment engineering services based in Sao Paulo, Brazil
- Wastewater treatment engineering services based in Ahmedabad, India
- Wastewater treatment engineering services based in Bangalore, India
- Wastewater treatment engineering services based in Chennai, India
- Wastewater treatment engineering services based in Mumbai, India
- Wastewater treatment engineering services based in Pune, India
- Wastewater treatment engineering services based in Singapore, Singapore
- Wastewater treatment engineering services based in Austin, United States
- Wastewater treatment engineering services based in Houston, United States
- Wastewater treatment engineering services based in Argentina
- Wastewater treatment engineering services based in Austria
- Wastewater treatment engineering services based in Belgium
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Wastewater treatment engineering services based in Sao Paulo, Brazil
- Wastewater treatment engineering services based in Ahmedabad, India
- Wastewater treatment engineering services based in Bangalore, India
- Wastewater treatment engineering services based in Chennai, India
- Wastewater treatment engineering services based in Mumbai, India
- Wastewater treatment engineering services based in Pune, India
Company intelligence · public preview
Top 25 wastewater treatment engineering services based in Australia
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 242 matching company records for wastewater treatment engineering services based in Australia, with 3,681 tracked contacts and 1,928 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 3, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 wastewater treatment engineering services based in Australia
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Hydrochemhydrochem.com.auHQ: Braeside, AustraliaReported employees: 201-500 | Braeside, Australia | 201-500 | Exact match | 271 contacts → |
“HydroChem is one of Australia’s leading companies providing high quality water treatment services.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Enviropacificenviropacific.com.auHQ: Macquarie Park, AustraliaReported employees: 201-500 | Macquarie Park, Australia | 201-500 | Exact match | 265 contacts → |
“Enviropacific is committed to working towards creating safer environments and sustainable communities.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Trilitytrility.com.auHQ: Adelaide, AustraliaReported employees: 201-500 | Adelaide, Australia | 201-500 | Exact match | 237 contacts → |
“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 description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Aquatecaquatecenviro.comHQ: Shepparton, AustraliaReported employees: 51-200 | Shepparton, Australia | 51-200 | Exact match | 177 contacts → |
“Aquatec partners with Government, business and residential clients to deliver water, wastewater and odour control solutions for the long-term.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Atlan Stormwateratlanstormwater.comHQ: Sydney Olympic Park, AustraliaReported employees: 201-500 | Sydney Olympic Park, Australia | 201-500 | Exact match | 171 contacts → |
“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 description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Guidera O'connorgoc.net.au HQ: Thebarton, AustraliaReported employees: 51-200 | Thebarton, Australia | 51-200 | Exact match | 146 contacts → |
“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 description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Aquatec Maxconaquatecmaxcon.com.auHQ: Wulkuraka, AustraliaReported employees: 201-500 | Wulkuraka, Australia | 201-500 | Exact match | 106 contacts → |
“Aquatec Maxcon is a leading provider of water and wastewater technology and solutions in Australia.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Hydroflux PTY LTDhydroflux.auHQ: Sydney, AustraliaReported employees: 51-200 | Sydney, Australia | 51-200 | Exact match | 102 contacts → |
“Hydroflux brings together engineering, technology and sustainability expertise to solve complex water and wastewater challenges.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  CMP Consulting Groupcmpgroup.com.auHQ: Mulgrave, AustraliaReported employees: 51-200 | Mulgrave, Australia | 51-200 | Exact match | 98 contacts → |
“CMP Consulting Group is a multi-disciplinary Engineering firm specialising in design, project management and construction phase services for the Water Industry.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Water Treatment Services Australiawatertreat.com.auHQ: Townsville, AustraliaReported employees: 11-50 | Townsville, Australia | 11-50 | Exact match | 80 contacts → |
“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.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  PPS Groupppsgroup.com.auHQ: Perth, AustraliaReported employees: 201-500 | Perth, Australia | 201-500 | Exact match | 79 contacts → |
“PPS Water Group is a proudly Australian company delivering turnkey water infrastructure solutions to the resource sector and beyond.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  MAK Watermakwater.com.auHQ: Malaga, AustraliaReported employees: 51-200 | Malaga, Australia | 51-200 | Exact match | 75 contacts → |
“At MAK Water, we help clients achieve reliable, cost-effective and sustainable water, wastewater and sewage treatment solutions.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Scidevscidevltd.comHQ: Seven Hills, AustraliaReported employees: 51-200 | Seven Hills, Australia | 51-200 | Exact match | 72 contacts → |
“Our solutions allow our clients to recycle and reuse water, improve operational efficiencies and reduce their environmental footprints.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Protex Waterprotexwater.com.auHQ: Corio, AustraliaReported employees: 51-200 | Corio, Australia | 51-200 | Exact match | 71 contacts → |
“Born from a 35-year heritage in the water industry, Protex Water is the new name for AKS Industries, effective 1st July 2024.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Witthoft Engineeringwitthoft.com.auHQ: Fortitude Valley, AustraliaReported employees: 51-200 | Fortitude Valley, Australia | 51-200 | Exact match | 70 contacts → |
“Witthoft Engineering Pty Ltd is an engineering consultancy company based in Brisbane, Australia, which specialises in electrical, instrumentation, industrial control system…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Saunders Aqua Metrosaundersint.comHQ: Mulgrave, AustraliaReported employees: 501-1,000 | Mulgrave, Australia | 501-1,000 | Exact match | 67 contacts → |
“In 2025, Aqua Metro was acquired by Saunders (ASX:SND)- a leading Australian engineering, construction and industrial services company delivering multidisciplinary solutions…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  The Environmental Group Limitedenvironmental.com.auHQ: Mount Waverley, AustraliaReported employees: 201-500 | Mount Waverley, Australia | 201-500 | Exact match | 47 contacts → |
“Engineering a Sustainable Future The Environmental Group Limited is an environmental engineering company that provides products and engineering services to various industries to…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Aerofloat Australiaaerofloat.com.auHQ: Taren Point, AustraliaReported employees: 11-50 | Taren Point, Australia | 11-50 | Exact match | 42 contacts → |
“Aerofloat is a design & construct business that specialises in industrial wastewater treatment and sewage treatment.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Ozzi Kleenozzikleen.comHQ: Kunda Park, AustraliaReported employees: 51-200 | Kunda Park, Australia | 51-200 | Exact match | 33 contacts → |
“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…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Innovent Engineering Groupinnoventeng.com HQ: Forrestfield, AustraliaReported employees: 11-50 | Forrestfield, Australia | 11-50 | Exact match | 29 contacts → |
“Innovent Engineering Group are industry leaders in the Environmental and Air Pollution Control sector with core capabilities in- Engineering and Design - Electrical &…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  SAS Water Solutionssaswater.com.auHQ: Castle Hill Nsw, AustraliaReported employees: 11-50 | Castle Hill Nsw, Australia | 11-50 | Exact match | 26 contacts → |
“SAS Water provides unique customised solutions for treatment of Process & Potable water, Sewerage & Recycled water, Storm water harvesting, landfill Leachate, Sewer mining…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Global Waterglobalwatergroup.com.auHQ: Tonsley, AustraliaReported employees: 11-50 | Tonsley, Australia | 11-50 | Exact match | 26 contacts → |
“Global Water partners with municipalities, engineers, civil contractors and plumbers to engineer and deliver world-class potable water, wastewater and stormwater collection…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Wsce Warren Smith Consulting Engineerswsce.com.au HQ: Sydney, AustraliaReported employees: 51-200 | Sydney, Australia | 51-200 | Exact match | 25 contacts → |
“WSce is a multi-discipline Australian-owned consulting engineering firm specialising in civil, water, hydraulic, fire services (wet & dry fire) and specialty water and wasterwater…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  ACO Halgan PTY LTDacohalgan.com.auHQ: Wetherill Park, AustraliaReported employees: 51-200 | Wetherill Park, Australia | 51-200 | Exact match | 25 contacts → |
“ACO Halgan Pty Ltd, specialises in all aspects of wastewater treatment.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Waterformwaterform.com.auHQ: Melbourne, AustraliaReported employees: 11-50 | Melbourne, Australia | 11-50 | Exact match | 24 contacts → |
“The problems we solve: Industrial water challenges rarely arrive on schedule.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 242 company matches
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Wastewater treatment engineering services: dataset insights
November 3, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
236 records in the displayed employee bands.
6 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 242 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 3, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for wastewater treatment engineering services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many wastewater treatment engineering services did RevenueBase find based in Australia?
The saved snapshot records 242 matching company records, 3,681 tracked contacts and 1,928 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 3, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Wastewater treatment engineering services by geography
- Wastewater treatment engineering services based in Sao Paulo, Brazil
- Wastewater treatment engineering services based in Ahmedabad, India
- Wastewater treatment engineering services based in Bangalore, India
- Wastewater treatment engineering services based in Chennai, India
- Wastewater treatment engineering services based in Mumbai, India
- Wastewater treatment engineering services based in Pune, India
- Wastewater treatment engineering services based in Singapore, Singapore
- Wastewater treatment engineering services based in Austin, United States
- Wastewater treatment engineering services based in Houston, United States
- Wastewater treatment engineering services based in Argentina
- Wastewater treatment engineering services based in Austria
- Wastewater treatment engineering services based in Belgium
Cite this list
RevenueBase Data Team. Top 25 wastewater treatment engineering services based in Australia. Snapshot: November 3, 2026. https://revenuebase.ai/companies/wastewater-treatment-engineering-services/australia.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Wastewater treatment engineering services based in Sao Paulo, Brazil
- Wastewater treatment engineering services based in Ahmedabad, India
- Wastewater treatment engineering services based in Bangalore, India
- Wastewater treatment engineering services based in Chennai, India
- Wastewater treatment engineering services based in Mumbai, India
- Wastewater treatment engineering services based in Pune, India
Company intelligence · public preview
Top 25 wastewater treatment engineering services based in Australia
RevenueBase records 242 matching company records for wastewater treatment engineering services based in Australia, with 3,681 tracked contacts and 1,928 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 3, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 wastewater treatment engineering services based in Australia
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Hydrochemhydrochem.com.au HQ: Braeside, AustraliaReported employees: 201-500 | Braeside, Australia | 201-500 | Exact match | 271 contacts → |
“HydroChem is one of Australia’s leading companies providing high quality water treatment services.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Enviropacificenviropacific.com.au HQ: Macquarie Park, AustraliaReported employees: 201-500 | Macquarie Park, Australia | 201-500 | Exact match | 265 contacts → |
“Enviropacific is committed to working towards creating safer environments and sustainable communities.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Trilitytrility.com.au HQ: Adelaide, AustraliaReported employees: 201-500 | Adelaide, Australia | 201-500 | Exact match | 237 contacts → |
“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 description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Aquatecaquatecenviro.com HQ: Shepparton, AustraliaReported employees: 51-200 | Shepparton, Australia | 51-200 | Exact match | 177 contacts → |
“Aquatec partners with Government, business and residential clients to deliver water, wastewater and odour control solutions for the long-term.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Atlan Stormwateratlanstormwater.com HQ: Sydney Olympic Park, AustraliaReported employees: 201-500 | Sydney Olympic Park, Australia | 201-500 | Exact match | 171 contacts → |
“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 description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Guidera O'connorgoc.net.au HQ: Thebarton, AustraliaReported employees: 51-200 | Thebarton, Australia | 51-200 | Exact match | 146 contacts → |
“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 description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Aquatec Maxconaquatecmaxcon.com.au HQ: Wulkuraka, AustraliaReported employees: 201-500 | Wulkuraka, Australia | 201-500 | Exact match | 106 contacts → |
“Aquatec Maxcon is a leading provider of water and wastewater technology and solutions in Australia.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Hydroflux PTY LTDhydroflux.au HQ: Sydney, AustraliaReported employees: 51-200 | Sydney, Australia | 51-200 | Exact match | 102 contacts → |
“Hydroflux brings together engineering, technology and sustainability expertise to solve complex water and wastewater challenges.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | CMP Consulting Groupcmpgroup.com.au HQ: Mulgrave, AustraliaReported employees: 51-200 | Mulgrave, Australia | 51-200 | Exact match | 98 contacts → |
“CMP Consulting Group is a multi-disciplinary Engineering firm specialising in design, project management and construction phase services for the Water Industry.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Water Treatment Services Australiawatertreat.com.au HQ: Townsville, AustraliaReported employees: 11-50 | Townsville, Australia | 11-50 | Exact match | 80 contacts → |
“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.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | PPS Groupppsgroup.com.au HQ: Perth, AustraliaReported employees: 201-500 | Perth, Australia | 201-500 | Exact match | 79 contacts → |
“PPS Water Group is a proudly Australian company delivering turnkey water infrastructure solutions to the resource sector and beyond.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | MAK Watermakwater.com.au HQ: Malaga, AustraliaReported employees: 51-200 | Malaga, Australia | 51-200 | Exact match | 75 contacts → |
“At MAK Water, we help clients achieve reliable, cost-effective and sustainable water, wastewater and sewage treatment solutions.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Scidevscidevltd.com HQ: Seven Hills, AustraliaReported employees: 51-200 | Seven Hills, Australia | 51-200 | Exact match | 72 contacts → |
“Our solutions allow our clients to recycle and reuse water, improve operational efficiencies and reduce their environmental footprints.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Protex Waterprotexwater.com.au HQ: Corio, AustraliaReported employees: 51-200 | Corio, Australia | 51-200 | Exact match | 71 contacts → |
“Born from a 35-year heritage in the water industry, Protex Water is the new name for AKS Industries, effective 1st July 2024.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Witthoft Engineeringwitthoft.com.au HQ: Fortitude Valley, AustraliaReported employees: 51-200 | Fortitude Valley, Australia | 51-200 | Exact match | 70 contacts → |
“Witthoft Engineering Pty Ltd is an engineering consultancy company based in Brisbane, Australia, which specialises in electrical, instrumentation, industrial control system…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Saunders Aqua Metrosaundersint.com HQ: Mulgrave, AustraliaReported employees: 501-1,000 | Mulgrave, Australia | 501-1,000 | Exact match | 67 contacts → |
“In 2025, Aqua Metro was acquired by Saunders (ASX:SND)- a leading Australian engineering, construction and industrial services company delivering multidisciplinary solutions…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | The Environmental Group Limitedenvironmental.com.au HQ: Mount Waverley, AustraliaReported employees: 201-500 | Mount Waverley, Australia | 201-500 | Exact match | 47 contacts → |
“Engineering a Sustainable Future The Environmental Group Limited is an environmental engineering company that provides products and engineering services to various industries to…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Aerofloat Australiaaerofloat.com.au HQ: Taren Point, AustraliaReported employees: 11-50 | Taren Point, Australia | 11-50 | Exact match | 42 contacts → |
“Aerofloat is a design & construct business that specialises in industrial wastewater treatment and sewage treatment.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Ozzi Kleenozzikleen.com HQ: Kunda Park, AustraliaReported employees: 51-200 | Kunda Park, Australia | 51-200 | Exact match | 33 contacts → |
“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…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Innovent Engineering Groupinnoventeng.com HQ: Forrestfield, AustraliaReported employees: 11-50 | Forrestfield, Australia | 11-50 | Exact match | 29 contacts → |
“Innovent Engineering Group are industry leaders in the Environmental and Air Pollution Control sector with core capabilities in- Engineering and Design - Electrical &…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | SAS Water Solutionssaswater.com.au HQ: Castle Hill Nsw, AustraliaReported employees: 11-50 | Castle Hill Nsw, Australia | 11-50 | Exact match | 26 contacts → |
“SAS Water provides unique customised solutions for treatment of Process & Potable water, Sewerage & Recycled water, Storm water harvesting, landfill Leachate, Sewer mining…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Global Waterglobalwatergroup.com.au HQ: Tonsley, AustraliaReported employees: 11-50 | Tonsley, Australia | 11-50 | Exact match | 26 contacts → |
“Global Water partners with municipalities, engineers, civil contractors and plumbers to engineer and deliver world-class potable water, wastewater and stormwater collection…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Wsce Warren Smith Consulting Engineerswsce.com.au HQ: Sydney, AustraliaReported employees: 51-200 | Sydney, Australia | 51-200 | Exact match | 25 contacts → |
“WSce is a multi-discipline Australian-owned consulting engineering firm specialising in civil, water, hydraulic, fire services (wet & dry fire) and specialty water and wasterwater…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | ACO Halgan PTY LTDacohalgan.com.au HQ: Wetherill Park, AustraliaReported employees: 51-200 | Wetherill Park, Australia | 51-200 | Exact match | 25 contacts → |
“ACO Halgan Pty Ltd, specialises in all aspects of wastewater treatment.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Waterformwaterform.com.au HQ: Melbourne, AustraliaReported employees: 11-50 | Melbourne, Australia | 11-50 | Exact match | 24 contacts → |
“The problems we solve: Industrial water challenges rarely arrive on schedule.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 242 company matches
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Wastewater treatment engineering services: dataset insights
November 3, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
236 records in the displayed employee bands.
6 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 242 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 3, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for wastewater treatment engineering services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many wastewater treatment engineering services did RevenueBase find based in Australia?
The saved snapshot records 242 matching company records, 3,681 tracked contacts and 1,928 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 3, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 wastewater treatment engineering services based in Australia. Snapshot: November 3, 2026. https://revenuebase.ai/companies/wastewater-treatment-engineering-services/australia.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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