Company lists · Data refreshed October 2026

Top 25 Municipal water contractors worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 18, 2026 6,967 companies tracked

RevenueBase identified 6,967 company matches for municipal water contractors worldwide as of October 2026 and tracks 219,496 professional contacts across them, including 65,913 with verified work emails. The United States is the largest market and Tehran the largest hub.

This list covers company matches for municipal water 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 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

6,967Companies

219,496Contacts tracked

65,913Verified emails

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The 25 largest municipal water contractors worldwide

Ranked by team size

Top 25 of 6,967 company matches for municipal water 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	SUEZ	Exact match	Paris, FranceHQ recorded Oct 18, 2026	10001+	23,026 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 · Oct 18, 2026 · View company records in RevenueBase
2	Tetra Tech	Exact match	Pasadena, CA, United StatesHQ recorded Oct 18, 2026	10001+	13,725 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 · Oct 18, 2026 · View company records in RevenueBase
3	Thames Water	Exact match	Reading, United KingdomHQ recorded Oct 18, 2026	1,001-5,000	6,151 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 · Oct 18, 2026 · View company records in RevenueBase
4	Sydney Water	Exact match	Parramatta, AustraliaHQ recorded Oct 18, 2026	1,001-5,000	3,858 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
5	BRK Ambiental	Exact match	BrazilHQ recorded Oct 18, 2026	5,001-10,000	3,459 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 · Oct 18, 2026 · View company records in RevenueBase
6	Águas DO RIO	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 18, 2026	5,001-10,000	2,669 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
7	SADE	Exact match	75685 Paris Cedex 14, FranceHQ recorded Oct 18, 2026	5,001-10,000	2,639 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 · Oct 18, 2026 · View company records in RevenueBase
8	VA Tech Wabag LTD	Exact match	Wabag House, IndiaHQ recorded Oct 18, 2026	1,001-5,000	2,412 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 · Oct 18, 2026 · View company records in RevenueBase
9	Core & Main	Exact match	St. Louis, MO, United StatesHQ recorded Oct 18, 2026	1,001-5,000	2,230 contacts →
	Exact match “Based in St.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
10	Carollo Engineers	Exact match	Walnut Creek, CA, United StatesHQ recorded Oct 18, 2026	1,001-5,000	1,811 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 · Oct 18, 2026 · View company records in RevenueBase
11	Vitens	Exact match	Zwolle, NetherlandsHQ recorded Oct 18, 2026	1,001-5,000	1,756 contacts →
	Exact match “Vitens is het grootste drinkwaterbedrijf van Nederland.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
12	Manila Water	Exact match	Quezon City, PhilippinesHQ recorded Oct 18, 2026	1,001-5,000	1,631 contacts →
	Exact match “Manila Water Company, Inc.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
13	Maynilad Water Services, INC	Exact match	Quezon City, PhilippinesHQ recorded Oct 18, 2026	1,001-5,000	1,602 contacts →
	Exact match “Maynilad Water Services, Inc.(Maynilad) is the largest private water concessionaire in the Philippines in terms of customer base.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
14	SEAAL	Exact match	Alger, AlgeriaHQ recorded Oct 18, 2026	5,001-10,000	1,593 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
15	Aqualia	Exact match	Madrid, SpainHQ recorded Oct 18, 2026	5,001-10,000	1,507 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 · Oct 18, 2026 · View company records in RevenueBase
16	Grupo Águas DO Brasil	Exact match	Niterói, BrazilHQ recorded Oct 18, 2026	1,001-5,000	1,436 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 · Oct 18, 2026 · View company records in RevenueBase
17	SAAE	Exact match	Governador Valadares, BrazilHQ recorded Oct 18, 2026	n/a	1,391 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
18	National Water & Sewerage Corporation Nwsc	Exact match	Kampala, UgandaHQ recorded Oct 18, 2026	1,001-5,000	1,363 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
19	Wssc Water	Exact match	Laurel, MD, United StatesHQ recorded Oct 18, 2026	1,001-5,000	1,321 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
20	Volvo Eicher Commerical Vehical Limited	Exact match	Dhar, IndiaHQ recorded Oct 18, 2026	n/a	1,155 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 · Oct 18, 2026 · View company records in RevenueBase
21	Urban Utilities	Exact match	Fortitude Valley, AustraliaHQ recorded Oct 18, 2026	1,001-5,000	1,092 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 · Oct 18, 2026 · View company records in RevenueBase
22	Inframark	Exact match	Horsham, PA, United StatesHQ recorded Oct 18, 2026	1,001-5,000	1,053 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
23	Affinity Water	Exact match	Hatfield, United KingdomHQ recorded Oct 18, 2026	1,001-5,000	977 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
24	Denver Water	Exact match	Denver, CO, United StatesHQ recorded Oct 18, 2026	1,001-5,000	952 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 · Oct 18, 2026 · View company records in RevenueBase
25	MWH Treatment	Exact match	Stockport, United KingdomHQ recorded Oct 18, 2026	1,001-5,000	930 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

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 contractors”. 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 6,967 municipal water contractors worldwide

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Municipal water contractors worldwide at a glance

As of Oct 18, 2026

30.0%Verified-email coverage

31.5Average contacts per company

11-50Median size (employees)

0.8%Largest-city concentration · Tehran

Oct 18, 2026Page data refreshed

Companies by employee count

1-10

2,281

11-50

2,599

51-200

1,246

201-500

458

501-1,000

169

1,001-5,000

130

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 contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “municipal water 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 65,913 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 contractors by location

41 lists · largest first

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

How many municipal water contractors are there worldwide?

RevenueBase identified 6,967 company matches for municipal water 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?

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

Which country has the most municipal water contractors?

The United States leads with 1,167 companies, followed by India (548) and Italy (389). Every municipal water contractors list by country and city is linked on this page.

Which city has the most municipal water contractors?

Tehran leads with 59 company records, followed by Sao Paulo (53) and Pune (49).

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 65,913 professional contacts with verified work emails tracked across these 6,967 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.