Company lists · Data refreshed October 2026

Top 25 Municipal water supply contractors worldwide

RevenueBase identified 2,622 company matches for municipal water supply contractors worldwide as of October 2026 and tracks 79,295 professional contacts across them, including 24,017 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for municipal water supply contractors 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 October 18, 2026. Country and city lists for municipal water supply contractors 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 Oct 18, 2026 How this list was built
2,622Companies
79,295Contacts tracked
24,017Verified emails
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The 25 largest municipal water supply contractors worldwide

Ranked by team size
Top 25 of 2,622 company matches for municipal water supply contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 18, 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 matchSao Paulo, BrazilHQ recorded Oct 18, 202610001+11,375 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 · Oct 18, 2026 · View company records in RevenueBase
2Exact matchParramatta, AustraliaHQ recorded Oct 18, 20261,001-5,0003,858 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
3Exact matchRio De Janeiro, BrazilHQ recorded Oct 18, 20265,001-10,0002,669 contacts →

Exact match

“Somos a concessionária responsável pela água e esgoto em 27 municípios do estado do Rio, incluído as zonas Sul, Norte e Centro da Capital.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
4Exact matchSt. Louis, MO, United StatesHQ recorded Oct 18, 20261,001-5,0002,230 contacts →

Exact match

“Based in St.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
5Exact matchZwolle, NetherlandsHQ recorded Oct 18, 20261,001-5,0001,756 contacts →

Exact match

“Vitens is het grootste drinkwaterbedrijf van Nederland.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
6Exact matchAlger, AlgeriaHQ recorded Oct 18, 20265,001-10,0001,593 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 · Oct 18, 2026 · View company records in RevenueBase
7Exact matchGovernador Valadares, BrazilHQ recorded Oct 18, 2026n/a1,391 contacts →

Exact match

“Nome Completo: Serviço Autônomo de Água e Esgoto de Governador Valadares Endereço: Rua Quintino Bocaiúva, nº 41 – Centro / Governador Valadares MG CNPJ: A primeira captação de…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
8Exact matchKampala, UgandaHQ recorded Oct 18, 20261,001-5,0001,363 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 · Oct 18, 2026 · View company records in RevenueBase
9Exact matchLaurel, MD, United StatesHQ recorded Oct 18, 20261,001-5,0001,321 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 · Oct 18, 2026 · View company records in RevenueBase
10Exact matchAuckland, New ZealandHQ recorded Oct 18, 20261,001-5,0001,171 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 · Oct 18, 2026 · View company records in RevenueBase
11Exact matchHorsham, PA, United StatesHQ recorded Oct 18, 20261,001-5,0001,053 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 · Oct 18, 2026 · View company records in RevenueBase
12Exact matchHatfield, United KingdomHQ recorded Oct 18, 20261,001-5,000977 contacts →

Exact match

“Our vision is to be the leading community-focused water company.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
13Exact matchStockport, United KingdomHQ recorded Oct 18, 20261,001-5,000930 contacts →

Exact match

“MWH Treatment is a leading Design and Build non-infrastructure solution provider in the UK water sector, with a water sector heritage dating back to 1820.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
14Exact matchBrussel, BelgiumHQ recorded Oct 18, 20261,001-5,000750 contacts →

Exact match

“De Watergroep is het grootste drinkwaterbedrijf in Vlaanderen.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
15Exact matchMandaluyong, PhilippinesHQ recorded Oct 18, 2026201-500703 contacts →

Exact match

“With over 30 years of industry experience, PrimeWater has provided total professional water and sewage management solutions to all of its partner communities and Water Districts…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
16Exact matchKilcolgan, IrelandHQ recorded Oct 18, 20261,001-5,000691 contacts →

Exact match

“Since its establishment, Ward & Burke has sought to develop and adopt the ideals and aspirations to civil engineering construction and currently delivers class leading, reliable…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
17Exact matchBucharest, RomaniaHQ recorded Oct 18, 20261,001-5,000644 contacts →

Exact match

“Apa Nova Bucureşti face parte din grupul internațional Veolia, companie cu peste 150 de ani de experiență în administrarea rețelelor urbane de apă și canalizare.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
18Exact matchChicago, IL, United StatesHQ recorded Oct 18, 20261,001-5,000628 contacts →

Exact match

“Meade leads the field in design, construction and maintenance of electric, natural gas, and telecommunications delivery systems, both above and below ground and has done so for…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
19Exact matchAthens, GreeceHQ recorded Oct 18, 20261,001-5,000547 contacts →

Exact match

“Athens Water Supply & Sewerage Company S.A.(EYDAP) is the largest Greek company in the water supply, sewerage and waste water treatment sector.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
20Exact matchGhent, BelgiumHQ recorded Oct 18, 2026501-1,000407 contacts →

Exact match

“Maatschappelijke zetel: Stropstraat 1 - Gent - ondernemingsnummer (KBO): BE 0200.068.636 Activiteit: Leveren van drinkwater - saneren van afvalwater - bouwen en renoveren van…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
21Exact matchCórdoba, ArgentinaHQ recorded Oct 18, 2026201-500381 contacts →

Exact match

“Aguas Cordobesas es desde 1997 la empresa concesionaria del servicio de agua potable para la ciudad de Córdoba, Argentina.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
22Exact matchAntwerp, BelgiumHQ recorded Oct 18, 2026501-1,000373 contacts →

Exact match

“Pidpa, als integrale waterpartner, biedt een ruime waaier van producten en diensten aan: Drinkwatervoorziening In 64 gemeenten van de provincie Antwerpen staat Pidpa garant voor…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
23Exact matchChino, CA, United StatesHQ recorded Oct 18, 2026201-500337 contacts →

Exact match

“The Inland Empire Utilities Agency (IEUA) is a municipal water district that supplies imported and recycled water; collects and treats wastewater; and provides other utility…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
24Exact matchRiyadh, Saudi ArabiaHQ recorded Oct 18, 20261,001-5,000333 contacts →

Exact match

“Established in 1964, Abdullah Ibrahim Al Sayegh and Sons Company a Closed Joint Stock Co.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
25Exact matchRabat, MoroccoHQ recorded Oct 18, 20261,001-5,000297 contacts →

Exact match

“ATNER, founded in 1988, is a national leader in water and public works services.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase

Showing 25 of 2,622 municipal water supply contractors worldwide

See the full list, filter by size, metro and specialty, and access 24,017 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Municipal water supply contractors worldwide at a glance

As of Oct 18, 2026
30.3%Verified-email coverage
30.2Average contacts per company
11-50Median size (employees)
0.6%Largest-city concentration · Sao Paulo
Oct 18, 2026Page data refreshed

Companies by employee count

1-10
891
11-50
959
51-200
444
201-500
170
501-1,000
55
1,001-5,000
68
5,001-10,000
10
10001+
4

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 supply contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “municipal water supply contractors” 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 24,017 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 October 18, 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 supply contractors by location

14 lists · largest first

Every Municipal water supply contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 supply contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many municipal water supply contractors are there worldwide?

RevenueBase identified 2,622 company matches for municipal water supply contractors worldwide as of October 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 supply contractors?

The United States leads with 646 companies, followed by Italy (151) and Brazil (145). Every municipal water supply contractors list by country and city is linked on this page.

Which city has the most municipal water supply contractors?

Sao Paulo leads with 17 company records, followed by Tehran (15) and Houston (12).

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 24,017 professional contacts with verified work emails tracked across these 2,622 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 October 18, 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.