Company lists · Data refreshed November 2026

Top 25 Activated sludge technology providers worldwide

RevenueBase identified 3,553 company matches for activated sludge technology providers worldwide as of November 2026 and tracks 41,336 professional contacts across them, including 10,580 with verified work emails. India is the largest market and Pune the largest hub.

This list covers company matches for activated sludge technology providers worldwide, 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 6, 2026. Country and city lists for activated sludge technology providers follow the table.

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 Nov 6, 2026 How this list was built
3,553Companies
41,336Contacts tracked
10,580Verified emails
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The 25 largest activated sludge technology providers worldwide

Ranked by team size
Top 25 of 3,553 company matches for activated sludge technology providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchMontreal, QC, CanadaHQ recorded Nov 6, 2026501-1,000857 contacts →

Exact match

“Ovivo is a powerful global brand, uniting world-renowned trademarks and a highly specialized team of 700 water treatment experts operating across the globe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSalt Lake City, United StatesHQ recorded Nov 6, 2026501-1,000588 contacts →

Exact match

“WesTech Engineering, LLC designs, engineers, and manufactures water and wastewater treatment process equipment for mineral, industrial, and municipal applications worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBerching, United Arab EmiratesHQ recorded Nov 6, 20261,001-5,000434 contacts →

Exact match

“HUBER is a globally operating company with over employees, of which around work at the headquarters in Berching (Germany).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchWespelaar, FranceHQ recorded Nov 6, 2026201-500424 contacts →

Exact match

“Waterleau is your partner in sustainable water stewardship.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchWaukegan, AB, United StatesHQ recorded Nov 6, 2026201-500407 contacts →

Exact match

“UCC Environmental (UCC) is a global leader in environmental solutions for solids handling, wastewater treatment and pollution control technologies in power generation and other…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSão Paulo, BrazilHQ recorded Nov 6, 20261,001-5,000358 contacts →

Exact match

“Com mais de 30 anos de atuação no mercado brasileiro, a Enfil é uma empresa referência em soluções ambientais para tratamento de água, efluentes e controle de emissões…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchPune, IndiaHQ recorded Nov 6, 2026501-1,000313 contacts →

Exact match

“WTE is a globally recognised manufacturer & exporter of innovative Water & Wastewater Treatment Plants.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchCoventry, United KingdomHQ recorded Nov 6, 20261,001-5,000310 contacts →

Exact match

“Severn Trent Services offer a range of services to municipal and industrial clients, including the Ministry of Defence and the Coal Authority, for design, build and operation of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchOld Saybrook, CT, United StatesHQ recorded Nov 6, 20261,001-5,000306 contacts →

Exact match

“Protecting the environment with innovative wastewater treatment solutions for over 35 years, Infiltrator is the leading manufacturer of onsite wastewater treatment products in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchDenver, NC, United StatesHQ recorded Nov 6, 2026201-500247 contacts →

Exact match

“HUBER Technology, LLC, the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSingaporeHQ recorded Nov 6, 2026501-1,000239 contacts →

Exact match

“The Tialoc Group,(formely known as atea environmental technology) founded in 2001, is at the forefront of providing environmental technology solutions for a varied range of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchAdelaide, AustraliaHQ recorded Nov 6, 2026201-500237 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 6, 2026 · View company records in RevenueBase
13Exact matchLoves Park, IL, United StatesHQ recorded Nov 6, 202651-200234 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchStockholm, SwedenHQ recorded Nov 6, 20261,001-5,000199 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchCoraopolis, PA, United StatesHQ recorded Nov 6, 2026201-500195 contacts →

Exact match

“Newterra designs, engineers, manufactures, and services environmental, water and wastewater treatment solutions that assure great performance, superb reliability, and the highest…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMinneapolis, MN, United StatesHQ recorded Nov 6, 2026201-500195 contacts →

Exact match

“Formed in 2017 following the consolidation of independent water treatment solution providers Emefcy and RWL Water, Fluence Corporation was established with the vision of becoming…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSão Paulo, BrazilHQ recorded Nov 6, 2026501-1,000193 contacts →

Exact match

“Juntas, aLBriggs e aQuamec disponibilizam soluções completas e inovadoras para descontaminação e tratamento de águas e solos, através da oferta de serviços e equipamentos de alta…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchPune, IndiaHQ recorded Nov 6, 2026201-500193 contacts →

Exact match

“HNB ENGINEERS PVT.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchGurgaon, IndiaHQ recorded Nov 6, 2026501-1,000189 contacts →

Exact match

“Water is life.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSingaporeHQ recorded Nov 6, 2026201-500183 contacts →

Exact match

“Founded in 2006, SANLI is an environmental engineering company with more than 10 years of experience in the field of water and waste management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBalk, NetherlandsHQ recorded Nov 6, 2026201-500180 contacts →

Exact match

“Paques helps companies and municipalities contribute to the major challenges of today: to reduce their water and carbon footprints and reclaim valuable resources.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchAarbergen, GermanyHQ recorded Nov 6, 20261,001-5,000178 contacts →

Exact match

“Water is becoming one of the defining challenges of our century.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSeclin, FranceHQ recorded Nov 6, 202651-200177 contacts →

Exact match

“Traitement des Eaux Industrielles et Lixiviats Location de Matériel et Prestations d'Exploitation Industry wastewater and Leachate treatment Equipment rental and operation…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchShepparton, AustraliaHQ recorded Nov 6, 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 · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLenexa, KS, United StatesHQ recorded Nov 6, 2026201-500177 contacts →

Exact match

“S&L delivers long-lasting, reliable and easy-to-operate wastewater pumping and treatment systems for municipal, federal, and industrial-commercial applications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 3,553 activated sludge technology providers worldwide

See the full list, filter by size, metro and specialty, and access 10,580 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Activated sludge technology providers worldwide at a glance

As of Nov 6, 2026
25.6%Verified-email coverage
11.6Average contacts per company
11-50Median size (employees)
1.3%Largest-city concentration · Pune
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,397
11-50
1,393
51-200
502
201-500
134
501-1,000
38
1,001-5,000
19
5,001-10,000
5
10001+
2

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for activated sludge technology providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “activated sludge technology providers” 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. 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 10,580 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 6, 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.

Activated sludge technology providers by location

21 lists · largest first

Every Activated sludge technology providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “activated sludge technology providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many activated sludge technology providers are there worldwide?

RevenueBase identified 3,553 company matches for activated sludge technology providers worldwide 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?

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

Which country has the most activated sludge technology providers?

India leads with 486 companies, followed by the United States (449) and Germany (170). Every activated sludge technology providers list by country and city is linked on this page.

Which city has the most activated sludge technology providers?

Pune leads with 46 company records, followed by Chennai (35) and Ahmedabad (32).

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 10,580 professional contacts with verified work emails tracked across these 3,553 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 6, 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.