Company lists · Data refreshed September 2026

Top 25 Water infrastructure companies worldwide

Name: Water infrastructure companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 7,680 companies tracked

RevenueBase identified 7,680 company matches for water infrastructure companies worldwide as of September 2026 and tracks 248,342 professional contacts across them, including 72,009 with verified work emails. The United States is the largest market and Tehran the largest hub.

This list covers company matches for water infrastructure companies 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 water infrastructure companies 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

7,680Companies

248,342Contacts tracked

72,009Verified emails

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The 25 largest water infrastructure companies worldwide

Ranked by team size

Top 25 of 7,680 company matches for water infrastructure companies 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	SUEZ	Exact match	Paris, FranceHQ recorded Sep 22, 2026	10001+	21,549 contacts →
	Exact match “We provide essential services in the water and waste sectors to preserve resources and improve quality of life wherever we operate.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2	Sabesp	Exact match	Sao Paulo, BrazilHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
3	Pentair	Exact match	London, United KingdomHQ recorded Sep 22, 2026	5,001-10,000	6,636 contacts →
	Exact match “At Pentair, we help the world sustainably move, improve, and enjoy water, life’s most essential resource.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4	Thames Water	Exact match	Reading, United KingdomHQ recorded Sep 22, 2026	1,001-5,000	5,648 contacts →
	Exact match “Thames Water is the UK’s biggest water and wastewater services provider, providing 2.7 billion litres of drinking water and safely removing 4.6 billion litres of wastewater every…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5	Severn Trent	Exact match	Coventry, United KingdomHQ recorded Sep 22, 2026	5,001-10,000	5,563 contacts →
	Exact match “Water is wonderful.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6	Water Corporation	Exact match	Leederville, AustraliaHQ recorded Sep 22, 2026	1,001-5,000	3,828 contacts →
	Exact match “We’re the principal supplier of water, wastewater and drainage services in Western Australia to hundreds of thousands of homes, businesses and farms, as well as providing bulk…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7	SAUR	Exact match	Issy-les-moulineaux, FranceHQ recorded Sep 22, 2026	10001+	3,694 contacts →
	Exact match “As a pure player in water and essential services, Saur works to protect the environment in the heart of the territories it serves.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8	BRK Ambiental	Exact match	BrazilHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
9	American Water	Exact match	Camden, NJ, United StatesHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
10	SADE	Exact match	75685 Paris Cedex 14, FranceHQ recorded Sep 22, 2026	5,001-10,000	2,527 contacts →
	Exact match “RESEAUX ET INFRASTRUCTURES Entreprise plus que centenaire forte de quelque 7 collaborateurs, la SADE est le spécialiste de la conception, la construction, la réhabilitation et…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11	EPCOR	Exact match	Edmonton, AB, CanadaHQ recorded Sep 22, 2026	1,001-5,000	2,511 contacts →
	Exact match “Clean water, reliable electricity, drainage services and natural gas are at the heart of what we do.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12	Watts Water Technologies	Exact match	North Andover, MA, United StatesHQ recorded Sep 22, 2026	5,001-10,000	2,503 contacts →
	Exact match “We are a global leader of quality water solutions for residential, industrial, municipal, and commercial settings.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13	VA Tech Wabag LTD	Exact match	Wabag House, IndiaHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
14	Core & Main	Exact match	St. Louis, MO, United StatesHQ recorded Sep 22, 2026	1,001-5,000	2,165 contacts →
	Exact match “Based in St.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15	Copasa	Exact match	Belo Horizonte, BrazilHQ recorded Sep 22, 2026	10001+	2,034 contacts →
	Exact match “Página Oficial da COPASA -” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16	Carollo Engineers	Exact match	Walnut Creek, CA, United StatesHQ recorded Sep 22, 2026	1,001-5,000	1,718 contacts →
	Exact match “For more than 90 years, Carollo Engineers has been dedicated exclusively to water and wastewater solutions.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17	Vitens	Exact match	Zwolle, NetherlandsHQ recorded Sep 22, 2026	1,001-5,000	1,690 contacts →
	Exact match “Vitens is het grootste drinkwaterbedrijf van Nederland.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18	SEAAL	Exact match	Alger, AlgeriaHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
19	AQUA	Exact match	Bryn Mawr, PA, United StatesHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
20	Aqualia	Exact match	Madrid, SpainHQ recorded Sep 22, 2026	5,001-10,000	1,395 contacts →
	Exact match “Aqualia es la cuarta empresa de gestión del agua de Europa y la novena del Mundo por población servida, según el último ranking de Global Water Intelligence (diciembre de 2024).” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21	Grupo Águas DO Brasil	Exact match	Niterói, BrazilHQ recorded Sep 22, 2026	1,001-5,000	1,334 contacts →
	Exact match “Fundado em 1998, o Grupo Águas do Brasil é um dos principais grupos privados de saneamento básico do país, presente em 32 municípios nos estados do Rio de Janeiro, Minas Gerais e…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22	EJ	Exact match	East Jordan, MI, United StatesHQ recorded Sep 22, 2026	1,001-5,000	1,246 contacts →
	Exact match “EJ is the global leader in the design, manufacture, and distribution of access solutions for the world’s growing infrastructure.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23	Companhia DE Água E Esgoto DO Ceará - Cagece	Exact match	Fortaleza, BrazilHQ recorded Sep 22, 2026	1,001-5,000	1,202 contacts →
	Exact match “A Companhia de Água e Esgoto do Ceará (Cagece), fundada em 1971, é uma empresa de economia mista com capital aberto que tem por finalidade a prestação dos serviços de…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24	Volvo Eicher Commerical Vehical Limited	Exact match	Dhar, IndiaHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
25	EVN	Exact match	Maria Enzersdorf, AustriaHQ recorded Sep 22, 2026	5,001-10,000	1,125 contacts →
	Exact match “Wir sind ein börsennotiertes Energie- und Umweltdienstleistungsunternehmen mit Sitz in Niederösterreich.” Recorded in the RevenueBase company graph · Sep 22, 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 “water infrastructure companies”. 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 7,680 water infrastructure companies worldwide

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Water infrastructure companies worldwide at a glance

As of Sep 22, 2026

29.0%Verified-email coverage

32.3Average contacts per company

11-50Median size (employees)

0.8%Largest-city concentration · Tehran

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

2,420

11-50

2,809

51-200

1,448

201-500

515

501-1,000

201

1,001-5,000

163

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 water infrastructure companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “water infrastructure companies” 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 72,009 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.

Water infrastructure companies by location

35 lists · largest first

Every Water infrastructure companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Water infrastructure companies based in Ahmedabad, India36

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 “water infrastructure companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many water infrastructure companies are there worldwide?

RevenueBase identified 7,680 company matches for water infrastructure companies 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?

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

Which country has the most water infrastructure companies?

The United States leads with 1,330 companies, followed by India (532) and Italy (454). Every water infrastructure companies list by country and city is linked on this page.

Which city has the most water infrastructure companies?

Tehran leads with 58 company records, followed by Pune (43) and Sao Paulo (40).

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 72,009 professional contacts with verified work emails tracked across these 7,680 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.