Company lists · Data refreshed September 2026

Top 25 Municipal water treatment providers worldwide

Name: Municipal water treatment providers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 5,650 companies tracked

RevenueBase identified 5,650 company matches for municipal water treatment providers worldwide as of September 2026 and tracks 157,946 professional contacts across them, including 47,033 with verified work emails. The United States is the largest market and Pune the largest hub.

This list covers company matches for municipal water treatment 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 September 20, 2026. Country and city lists for municipal water treatment 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 Sep 20, 2026 How this list was built

5,650Companies

157,946Contacts tracked

47,033Verified emails

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The 25 largest municipal water treatment providers worldwide

Ranked by team size

Top 25 of 5,650 company matches for municipal water treatment providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Sabesp	Exact match	Sao Paulo, BrazilHQ recorded Sep 20, 2026	10001+	10,050 contacts →
	Exact match “Sabesp is a mixed capital company that was founded in 1973 and is currently responsible for supplying water and collecting and treating sewage in the 375 municipalities of São…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	Severn Trent	Exact match	Coventry, United KingdomHQ recorded Sep 20, 2026	5,001-10,000	5,563 contacts →
	Exact match “Water is wonderful.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	Sydney Water	Exact match	Parramatta, AustraliaHQ recorded Sep 20, 2026	1,001-5,000	3,609 contacts →
	Exact match “We deliver essential and sustainable water services for the benefit of the community.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	BRK Ambiental	Exact match	BrazilHQ recorded Sep 20, 2026	5,001-10,000	3,306 contacts →
	Exact match “A BRK é uma das maiores empresas privadas de saneamento do país e está presente em 13 estados e mais de 100 municípios, beneficiando a vida de mais de 16 milhões de pessoas.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	American Water	Exact match	Camden, NJ, United StatesHQ recorded Sep 20, 2026	5,001-10,000	2,876 contacts →
	Exact match “American Water (NYSE: AWK) is the largest regulated water and wastewater utility company in the United States.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	Corsan	Exact match	Porto Alegre, BrazilHQ recorded Sep 20, 2026	1,001-5,000	2,788 contacts →
	Exact match “Atendendo a mais de 6,5 milhões de clientes, a Corsan é responsável pelo saneamento básico em 317 cidades do Rio Grande do Sul.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	CEDAE	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 20, 2026	1,001-5,000	2,478 contacts →
	Exact match “Constituída oficialmente em 1º de agosto de 1975, a Companhia Estadual de Águas e Esgotos (CEDAE) é oriunda da fusão da Empresa de Águas do Estado da Guanabara (CEDAG), da Empresa…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	VA Tech Wabag LTD	Exact match	Wabag House, IndiaHQ recorded Sep 20, 2026	1,001-5,000	2,375 contacts →
	Exact match “WABAG, a global leader in the water industry, is backed by rich experience spanning over 100 years.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	DŴR Cymru Welsh Water	Exact match	Cardiff, United KingdomHQ recorded Sep 20, 2026	1,001-5,000	1,868 contacts →
	Exact match “Bath-times, half-times, party-times, meeting-times, and cooking-times.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10	Uisce Éireann Irish Water	Exact match	Dublin, IrelandHQ recorded Sep 20, 2026	1,001-5,000	1,763 contacts →
	Exact match “We are Uisce Éireann.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	Vitens	Exact match	Zwolle, NetherlandsHQ recorded Sep 20, 2026	1,001-5,000	1,690 contacts →
	Exact match “Vitens is het grootste drinkwaterbedrijf van Nederland.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	Aguas Andinas	Exact match	Las Condes, ChileHQ recorded Sep 20, 2026	1,001-5,000	1,553 contacts →
	Exact match “Nuestra gestión se sustenta en altos estándares de profesionalismo y experiencia que nos permite entregar un servicio de gran calidad, cautelando la sostenibilidad de los recursos…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	SEAAL	Exact match	Alger, AlgeriaHQ recorded Sep 20, 2026	5,001-10,000	1,543 contacts →
	Exact match “La Société des Eaux et de l’Assainissement d’Alger (SEAAL), est une Société Publique par actions, détenue à 70% par l’Algérienne des Eaux (ADE) et à 30% par l’Office National de…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	AQUA	Exact match	Bryn Mawr, PA, United StatesHQ recorded Sep 20, 2026	1,001-5,000	1,478 contacts →
	Exact match “Aqua is one of the largest U.S-based, publicly traded water and wastewater utilities, serving more than 3 million people in Illinois, Indiana, New Jersey, North Carolina…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	Manila Water	Exact match	Quezon City, PhilippinesHQ recorded Sep 20, 2026	1,001-5,000	1,471 contacts →
	Exact match “Manila Water Company, Inc.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	EBMUD	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	1,001-5,000	1,434 contacts →
	Exact match “East Bay Municipal Utility District is a California public utility that supplies high-quality drinking water, generates renewable energy and provides wastewater treatment and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	National Water & Sewerage Corporation Nwsc	Exact match	Kampala, UgandaHQ recorded Sep 20, 2026	1,001-5,000	1,364 contacts →
	Exact match “Established in 1972, the mandate of the National Water and Sewerage Corporation (NWSC) as defined in the NWSC Act Cap 317, is to operate and provide water and sewerage services in…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	Wssc Water	Exact match	Laurel, MD, United StatesHQ recorded Sep 20, 2026	1,001-5,000	1,288 contacts →
	Exact match “Established in 1918, WSSC Water is currently among the largest water and wastewater utilities in the nation, with a network of nearly miles of drinking water pipeline and over…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Volvo Eicher Commerical Vehical Limited	Exact match	Dhar, IndiaHQ recorded Sep 20, 2026	n/a	1,196 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 20, 2026 · View company records in RevenueBase
20	Watercare Services Limited	Exact match	Auckland, New ZealandHQ recorded Sep 20, 2026	1,001-5,000	1,116 contacts →
	Exact match “At Watercare we’re proud to provide a lifeline service to the people of Auckland, while protecting the environment for future generations.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	Urban Utilities	Exact match	Fortitude Valley, AustraliaHQ recorded Sep 20, 2026	1,001-5,000	1,064 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 20, 2026 · View company records in RevenueBase
22	AIR Selangor	Exact match	Kuala Lumpur, MalaysiaHQ recorded Sep 20, 2026	5,001-10,000	1,061 contacts →
	Exact match “Pengurusan Air Selangor Sdn Bhd (Air Selangor) is the largest water services provider in Malaysia, providing clean and safe treated water to 9.62 million consumers in Selangor…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	Inframark	Exact match	Horsham, PA, United StatesHQ recorded Sep 20, 2026	1,001-5,000	973 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 20, 2026 · View company records in RevenueBase
24	SIAAP	Exact match	Paris, FranceHQ recorded Sep 20, 2026	1,001-5,000	968 contacts →
	Exact match “Une entreprise publique unique en Europe Son périmètre d'intervention englobe quatre départements et 180 communes reparties sur quatre autres départements, le SIAAP est - le seul…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	Denver Water	Exact match	Denver, CO, United StatesHQ recorded Sep 20, 2026	1,001-5,000	931 contacts →
	Exact match “Denver Water proudly serves high-quality water and promotes its efficient use to 1.5 million people in the city of Denver and many surrounding suburbs.” Recorded in the RevenueBase company graph · Sep 20, 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 “municipal water treatment providers”. 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 5,650 municipal water treatment providers worldwide

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Municipal water treatment providers worldwide at a glance

As of Sep 20, 2026

29.8%Verified-email coverage

28.0Average contacts per company

11-50Median size (employees)

0.9%Largest-city concentration · Pune

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

2,163

11-50

1,969

51-200

906

201-500

315

501-1,000

112

1,001-5,000

108

5,001-10,000

10001+

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 municipal water treatment providers are linked below.
What qualifies: Company records worldwide whose business descriptions match “municipal water treatment 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 47,033 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 20, 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.

Municipal water treatment providers by location

34 lists · largest first

Every Municipal water treatment 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 “municipal water treatment providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many municipal water treatment providers are there worldwide?

RevenueBase identified 5,650 company matches for municipal water treatment providers 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?

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

Which country has the most municipal water treatment providers?

The United States leads with 1,244 companies, followed by India (490) and Brazil (274). Every municipal water treatment providers list by country and city is linked on this page.

Which city has the most municipal water treatment providers?

Pune leads with 50 company records, followed by Ahmedabad (41) and New Delhi (34).

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 47,033 professional contacts with verified work emails tracked across these 5,650 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 20, 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.