Company lists · Data refreshed September 2026

Top 25 Water management companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 12,512 companies tracked

RevenueBase identified 12,512 water management companies worldwide as of September 2026 and tracks 431,268 professional contacts across them, including 127,317 with verified work emails and 0 with mobile numbers. The United States is the largest market and Pune the largest hub.

This list covers water management companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026. Country and city lists for water management companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

12,512Companies

431,268Contacts tracked

127,317Verified emails

0Mobile numbers

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The 25 largest water management companies worldwide

Ranked by team size

Top 25 of 12,512 water management companies worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to water management companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Veolia	Indirect evidence	Aubervilliers, FranceHQ checked Sep 19, 2026	10001+	30,019 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026
2	SUEZ	Partial evidence	Paris, FranceHQ checked Sep 19, 2026	10001+	21,549 contacts →
	Partial evidence “We provide essential services in the water and waste sectors to preserve resources and improve quality of life wherever we operate.” Source: RevenueBase Database · checked Sep 19, 2026
3	Tetra Tech	Partial evidence	Pasadena, CA, United StatesHQ checked Sep 19, 2026	10001+	12,999 contacts →
	Partial evidence “Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.” Source: RevenueBase Database · checked Sep 19, 2026
4	Nalco Water, An Ecolab Company	Strong evidence	Naperville, IL, United StatesHQ checked Sep 19, 2026	10001+	11,500 contacts →
	Strong evidence “A global leader in water and process management solutions, Nalco Water, an Ecolab company, works with customers across a wide range of industries to help meet their specific…” Source: RevenueBase Database · checked Sep 19, 2026
5	Sabesp	Partial evidence	Sao Paulo, BrazilHQ checked Sep 19, 2026	10001+	10,050 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026
6	XYLEM	Partial evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	10001+	9,320 contacts →
	Partial evidence “Xylem is the global leader in advanced technologies, solutions and services that address the world’s biggest water challenges.” Source: RevenueBase Database · checked Sep 19, 2026
7	CDM Smith	Partial evidence	Boston, MA, United StatesHQ checked Sep 19, 2026	5,001-10,000	7,527 contacts →
	Partial evidence “CDM Smith is shaping what’s next, now, with world class solutions in water, environment, transportation and energy to public and private clients worldwide.” Source: RevenueBase Database · checked Sep 19, 2026
8	Pentair	Partial evidence	London, United KingdomHQ checked Sep 19, 2026	5,001-10,000	6,636 contacts →
	Partial evidence “At Pentair, we help the world sustainably move, improve, and enjoy water, life’s most essential resource.” Source: RevenueBase Database · checked Sep 19, 2026
9	Solenis	Partial evidence	Wilmington, DE, United StatesHQ checked Sep 19, 2026	10001+	6,128 contacts →
	Partial evidence “Solenis is a leading global provider of water and hygiene solutions.” Source: RevenueBase Database · checked Sep 19, 2026
10	Thames Water	Partial evidence	Reading, United KingdomHQ checked Sep 19, 2026	1,001-5,000	5,648 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026
11	Severn Trent	Partial evidence	Coventry, United KingdomHQ checked Sep 19, 2026	5,001-10,000	5,563 contacts →
	Partial evidence “Water is wonderful.” Source: RevenueBase Database · checked Sep 19, 2026
12	Veolia France	Indirect evidence	Aubervilliers, FranceHQ checked Sep 19, 2026	10001+	4,214 contacts →
	Indirect evidence “Partenaire des territoires, Veolia propose des solutions pour la gestion de l'eau, des déchets et de l'énergie qui participent au développement durable des villes et des…” Source: RevenueBase Database · checked Sep 19, 2026
13	FCC	Indirect evidence	Madrid, SpainHQ checked Sep 19, 2026	10001+	4,000 contacts →
	Indirect evidence “A citizen services sustainability-oriented Company.” Source: RevenueBase Database · checked Sep 19, 2026
14	ION Exchange India LTD	Strong evidence	Mumbai, IndiaHQ checked Sep 19, 2026	1,001-5,000	3,810 contacts →
	Strong evidence “At Ion Exchange India, we bring you total environment solutions - water treatment, liquid waste treatment & recycle, air pollution control, solid & hazardous waste management and…” Source: RevenueBase Database · checked Sep 19, 2026
15	SAUR	Partial evidence	Issy-les-moulineaux, FranceHQ checked Sep 19, 2026	10001+	3,694 contacts →
	Partial evidence “As a pure player in water and essential services, Saur works to protect the environment in the heart of the territories it serves.” Source: RevenueBase Database · checked Sep 19, 2026
16	Sydney Water	Partial evidence	Parramatta, AustraliaHQ checked Sep 19, 2026	1,001-5,000	3,609 contacts →
	Partial evidence “We deliver essential and sustainable water services for the benefit of the community.” Source: RevenueBase Database · checked Sep 19, 2026
17	Coxabengoa	Partial evidence	Seville, SpainHQ checked Sep 19, 2026	10001+	3,545 contacts →
	Partial evidence “Coxabengoa is a vertically integrated global utility in water and energy at the forefront of solving the greatest global challenges of the green transition by applying…” Source: RevenueBase Database · checked Sep 19, 2026
18	Aegea Saneamento	Indirect evidence	Sao Paulo, BrazilHQ checked Sep 19, 2026	10001+	3,386 contacts →
	Indirect evidence “Somos a Aegea Saneamento, empresa líder no setor.” Source: RevenueBase Database · checked Sep 19, 2026
19	SADE	Indirect evidence	75685 Paris Cedex 14, FranceHQ checked Sep 19, 2026	5,001-10,000	2,527 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026
20	Veolia Australia & NEW Zealand	Strong evidence	Pyrmont, AustraliaHQ checked Sep 19, 2026	5,001-10,000	2,476 contacts →
	Strong evidence “Veolia Australia and New Zealand is a leading provider of environmental solutions across water and wastewater services, industrial cleaning, waste management and resource recovery…” Source: RevenueBase Database · checked Sep 19, 2026
21	Brown And Caldwell	Indirect evidence	Walnut Creek, CA, United StatesHQ checked Sep 19, 2026	1,001-5,000	2,473 contacts →
	Indirect evidence “Headquartered in Walnut Creek, Calif, Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations.” Source: RevenueBase Database · checked Sep 19, 2026
22	VA Tech Wabag LTD	Partial evidence	Wabag House, IndiaHQ checked Sep 19, 2026	1,001-5,000	2,375 contacts →
	Partial evidence “WABAG, a global leader in the water industry, is backed by rich experience spanning over 100 years.” Source: RevenueBase Database · checked Sep 19, 2026
23	NCH	Partial evidence	Wilmington, DE, United StatesHQ checked Sep 19, 2026	10001+	2,361 contacts →
	Partial evidence “Cleaning water, conserving energy and delivering maintenance solutions since 1919.” Source: RevenueBase Database · checked Sep 19, 2026
24	Core & Main	Indirect evidence	St. Louis, MO, United StatesHQ checked Sep 19, 2026	1,001-5,000	2,165 contacts →
	Indirect evidence “Based in St.” Source: RevenueBase Database · checked Sep 19, 2026
25	Hazen And Sawyer	Indirect evidence	New York, NY, United StatesHQ checked Sep 19, 2026	1,001-5,000	2,100 contacts →
	Indirect evidence “As Hazen marks 75 years, we celebrate a legacy of absolute commitment to our clients while delivering the best technical work available anywhere.” Source: RevenueBase Database · checked Sep 19, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: water management companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names water management companies.
Partial evidence: Its own public description names part of water management companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name water management companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 12,512 water management companies worldwide

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Water management companies worldwide at a glance

As of Sep 19, 2026

29.5%Verified-email coverage

34.5Average contacts per company

11-50Median size (employees)

1.2%Largest-city concentration · Pune

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

4,872

11-50

4,658

51-200

1,920

201-500

545

501-1,000

192

1,001-5,000

155

5,001-10,000

10001+

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among water management companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage: 45 countries, largest first: the United States, India, Brazil, Italy, Germany, France, the United Kingdom, Spain, Canada, Australia and 35 more. Country and city lists for water management companies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “water management companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names water management companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among water management companies, and records with no verified work email.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 127,317 across the full list. 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 19, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Water management companies by location

52 lists · largest first

Every Water management companies 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names water management companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many water management companies are there worldwide?

RevenueBase identified 12,512 water management companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Veolia, headquartered in Aubervilliers, tops this list with the largest team on record.

Which country has the most water management companies?

The United States leads with 2,553 companies, followed by India (1,588) and Brazil (865). Every water management companies list by country and city is linked on this page.

Which city has the most water management companies?

Pune leads with 145 headquartered companies, followed by Sao Paulo (125) and Chennai (109).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 127,317 verified decision-maker contacts tracked across these 12,512 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 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 Smart Search, 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.