Company lists · Data refreshed September 2026

Top 25 Sewage treatment plant operators worldwide

RevenueBase identified 5,544 company matches for sewage treatment plant operators worldwide as of September 2026 and tracks 182,913 professional contacts across them, including 49,204 with verified work emails. The United States is the largest market and Pune the largest hub.

This list covers company matches for sewage treatment plant operators 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 September 22, 2026. Country and city lists for sewage treatment plant operators 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 Sep 22, 2026 How this list was built
5,544Companies
182,913Contacts tracked
49,204Verified emails
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The 25 largest sewage treatment plant operators worldwide

Ranked by team size
Top 25 of 5,544 company matches for sewage treatment plant operators worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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 matchAubervilliers, FranceHQ recorded Sep 22, 202610001+30,019 contacts →

Exact match

“Veolia, a global leader in environmental services, works every day to build environmental security for the benefit of public health and the competitiveness of industries and…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchNorwell, MA, United StatesHQ recorded Sep 22, 202610001+8,924 contacts →

Exact match

“Clean Harbors is North America’s leading provider of environmental and industrial services.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchVaughan, ON, CanadaHQ recorded Sep 22, 202610001+6,179 contacts →

Exact match

“GFL Environmental is the only major diversified environmental services company in North America offering services in solid waste management, liquid waste management and soil…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchCoventry, United KingdomHQ recorded Sep 22, 20265,001-10,0005,563 contacts →

Exact match

“Water is wonderful.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchMumbai, IndiaHQ recorded Sep 22, 20261,001-5,0003,810 contacts →

Exact match

“At Ion Exchange India, we bring you total environment solutions - water treatment, liquid waste treatment & recycle, air pollution control, solid & hazardous waste management and…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchSao Paulo, BrazilHQ recorded Sep 22, 202610001+3,386 contacts →

Exact match

“Somos a Aegea Saneamento, empresa líder no setor.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchMelbourne, AustraliaHQ recorded Sep 22, 20265,001-10,0003,005 contacts →

Exact match

“Cleanaway Waste Management Limited is Australia’s largest, publicly listed waste management company.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchHyderabad, IndiaHQ recorded Sep 22, 202610001+2,607 contacts →

Exact match

“Re Sustainability Limited (RE), a KKR-backed company, is one of Asia’s leading providers of comprehensive environment management services.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchCuritiba, BrazilHQ recorded Sep 22, 20265,001-10,0001,736 contacts →

Exact match

“Visão e Missão Nossa Visão Consolidar a Sanepar como empresa pública, comprometida com a universalização do acesso aos serviços de saneamento ambiental.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchHebron, OH, PalestineHQ recorded Sep 22, 20261,001-5,0001,485 contacts →

Exact match

“As the leading provider of integrated, technology-based industrial cleaning, water purification, facility management, and total waste services in North America, MPW assists in…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchQuezon City, PhilippinesHQ recorded Sep 22, 20261,001-5,0001,471 contacts →

Exact match

“Manila Water Company, Inc.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchTokyo, JapanHQ recorded Sep 22, 20265,001-10,0001,360 contacts →

Exact match

“For more than 70 years, since its founding in 1949, Kurita Water Industries has been consistently operating in two areas of "water and the environment." Kurita Group provides…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchUnited StatesHQ recorded Sep 22, 20265,001-10,0001,311 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchKing Of Prussia, PA, United StatesHQ recorded Sep 22, 20261,001-5,0001,275 contacts →

Exact match

“Veolia has completed the acquisition of Clean Earth, bringing together two organizations with a shared commitment to environmental stewardship, safety and operational excellence.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchCalgary, AB, CanadaHQ recorded Sep 22, 20261,001-5,0001,261 contacts →

Exact match

“SECURE is a leading waste management and energy infrastructure business headquartered in Calgary, Alberta.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchDhar, IndiaHQ recorded Sep 22, 2026n/a1,196 contacts →

Exact match

“Volvo Eicher Commerical Vehical Limited Service Provider of waste water recycling systems, drinking water plant & industrial water treatment in Indore, Madhya Pradesh.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchFortitude Valley, AustraliaHQ recorded Sep 22, 20261,001-5,0001,064 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchHorsham, PA, United StatesHQ recorded Sep 22, 20261,001-5,000973 contacts →

Exact match

“As an Azuria owned company, Inframark is a widely recognized leader in Water Infrastructure Operations and Infrastructure Management Services.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchSao Paulo, BrazilHQ recorded Sep 22, 20265,001-10,000944 contacts →

Exact match

“Estre is one of the largest environmental services companies in Brazil and Latin America.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchAartselaar, BelgiumHQ recorded Sep 22, 20261,001-5,000920 contacts →

Exact match

“Aquafin is in 1990 opgericht door het Vlaamse Gewest om de rioolwaterzuiveringsinfrastructuur in Vlaanderen verder uit te bouwen, te exploiteren en te financieren.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchHoffman Estates, IL, United StatesHQ recorded Sep 22, 20261,001-5,000899 contacts →

Exact match

“Crystal Clean is a national leader in the environmental services market, providing the smart alternative.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchChangé, FranceHQ recorded Sep 22, 20265,001-10,000882 contacts →

Exact match

“Séché Environnement is an agile, high performing company that draws its strength from the breadth of its different business lines.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchMontreal, QC, CanadaHQ recorded Sep 22, 2026501-1,000829 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 · Sep 22, 2026 · View company records in RevenueBase
24Exact matchWoburn, MA, United StatesHQ recorded Sep 22, 20261,001-5,000813 contacts →

Exact match

“Gradiant is a Different Kind of Water Company.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchIndaiatuba, BrazilHQ recorded Sep 22, 20265,001-10,000765 contacts →

Exact match

“Founded in 1987, Corpus Saneamento e Obras was created by Engineer Cineas Feijó Valente.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 5,544 sewage treatment plant operators worldwide

See the full list, filter by size, metro and specialty, and access 49,204 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sewage treatment plant operators worldwide at a glance

As of Sep 22, 2026
26.9%Verified-email coverage
33.0Average contacts per company
11-50Median size (employees)
1.0%Largest-city concentration · Pune
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
1,837
11-50
2,095
51-200
1,019
201-500
306
501-1,000
95
1,001-5,000
88
5,001-10,000
29
10001+
25

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 sewage treatment plant operators are linked below.
What qualifies
Company records worldwide whose business descriptions match “sewage treatment plant operators” 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 49,204 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 22, 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.

Sewage treatment plant operators by location

29 lists · largest first

Every Sewage treatment plant operators 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 “sewage treatment plant operators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sewage treatment plant operators are there worldwide?

RevenueBase identified 5,544 company matches for sewage treatment plant operators worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

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

Which country has the most sewage treatment plant operators?

The United States leads with 759 companies, followed by India (567) and Italy (383). Every sewage treatment plant operators list by country and city is linked on this page.

Which city has the most sewage treatment plant operators?

Pune leads with 56 company records, followed by Ahmedabad (43) and Sao Paulo (36).

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 49,204 professional contacts with verified work emails tracked across these 5,544 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 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 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.