Company lists · Data refreshed September 2026

Top 25 Water resources management companies worldwide

RevenueBase identified 6,708 company matches for water resources management companies worldwide as of September 2026 and tracks 290,996 professional contacts across them, including 93,636 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for water resources management 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 resources management 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
6,708Companies
290,996Contacts tracked
93,636Verified emails
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The 25 largest water resources management companies worldwide

Ranked by team size
Top 25 of 6,708 company matches for water resources management 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchParis, FranceHQ recorded Sep 22, 202610001+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
2Exact matchPasadena, CA, United StatesHQ recorded Sep 22, 202610001+12,999 contacts →

Exact match

“Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchSao Paulo, BrazilHQ recorded Sep 22, 202610001+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
4Exact matchNew York, NY, United StatesHQ recorded Sep 22, 202610001+9,318 contacts →

Exact match

“What if you could shape built and natural environments – and the future of those that use them?”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 22, 20265,001-10,0006,636 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
6Exact matchReading, United KingdomHQ recorded Sep 22, 20261,001-5,0005,648 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
7Exact 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
8Exact matchCapellen, LuxembourgHQ recorded Sep 22, 20265,001-10,0005,424 contacts →

Exact match

“We are World Builders shaping water, land and energy.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchAubervilliers, FranceHQ recorded Sep 22, 202610001+4,214 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchIssy-les-moulineaux, FranceHQ recorded Sep 22, 202610001+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
11Exact matchParramatta, AustraliaHQ recorded Sep 22, 20261,001-5,0003,609 contacts →

Exact match

“We deliver essential and sustainable water services for the benefit of the community.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchSeville, SpainHQ recorded Sep 22, 202610001+3,545 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchHuntingdon, United KingdomHQ recorded Sep 22, 20265,001-10,0003,430 contacts →

Exact match

“Anglian Water supply water and water recycling services to more than six million domestic and business customers in the east of England and Hartlepool.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchAllerød, DenmarkHQ recorded Sep 22, 20261,001-5,0002,699 contacts →

Exact match

“At NIRAS, we engineer solutions for a shared future.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchWashington, DC, United StatesHQ recorded Sep 22, 202610001+2,639 contacts →

Exact match

“Evoqua has now joined Xylem.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchWalnut Creek, CA, United StatesHQ recorded Sep 22, 20261,001-5,0002,473 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Sep 22, 20261,001-5,0002,100 contacts →

Exact match

“As Hazen marks 75 years, we celebrate a legacy of absolute commitment to our clients while delivering the best technical work available anywhere.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchBelo Horizonte, BrazilHQ recorded Sep 22, 202610001+2,034 contacts →

Exact match

“Página Oficial da COPASA -”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchDeventer, NetherlandsHQ recorded Sep 22, 20261,001-5,0001,762 contacts →

Exact match

“As an engineering and consultancy firm, we advise and help clients all over the world in resolving today’s complex challenges.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchWalnut Creek, CA, United StatesHQ recorded Sep 22, 20261,001-5,0001,718 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
21Exact matchAmsterdam, NetherlandsHQ recorded Sep 22, 20261,001-5,0001,627 contacts →

Exact match

“Water is overal om ons heen.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchLas Condes, ChileHQ recorded Sep 22, 20261,001-5,0001,553 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 22, 2026 · View company records in RevenueBase
23Exact matchAlger, AlgeriaHQ recorded Sep 22, 20265,001-10,0001,543 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
24Exact matchFort Worth, TX, United StatesHQ recorded Sep 22, 20261,001-5,0001,496 contacts →

Exact match

“Freese and Nichols is a professional planning, consulting and engineering firm serving clients across the United States.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchBryn Mawr, PA, United StatesHQ recorded Sep 22, 20261,001-5,0001,478 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

Showing 25 of 6,708 water resources management companies worldwide

See the full list, filter by size, metro and specialty, and access 93,636 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Water resources management companies worldwide at a glance

As of Sep 22, 2026
32.2%Verified-email coverage
43.4Average contacts per company
11-50Median size (employees)
1.1%Largest-city concentration · Sao Paulo
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
3,172
11-50
2,034
51-200
841
201-500
303
501-1,000
123
1,001-5,000
129
5,001-10,000
38
10001+
32

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 resources management companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “water resources management 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 93,636 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 resources management companies by location

33 lists · largest first

Every Water resources 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 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 resources management companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many water resources management companies are there worldwide?

RevenueBase identified 6,708 company matches for water resources management 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 resources management companies?

The United States leads with 820 companies, followed by Brazil (562) and India (399). Every water resources management companies list by country and city is linked on this page.

Which city has the most water resources management companies?

Sao Paulo leads with 74 company records, followed by Belo Horizonte (45) and Tehran (44).

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 93,636 professional contacts with verified work emails tracked across these 6,708 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.