Company lists · Data refreshed November 2026
Top 25 Municipal water system operators worldwide
RevenueBase identified 1,898 company matches for municipal water system operators worldwide as of November 2026 and tracks 148,902 professional contacts across them, including 46,201 with verified work emails. The United States is the largest market and Tehran the largest hub.
This list covers company matches for municipal water system operators 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 November 6, 2026. Country and city lists for municipal water system operators 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.
The 25 largest municipal water system operators worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 11,763 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 6,329 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 6,089 contacts → | ||||
Exact match “Water is wonderful.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 3,922 contacts → | ||||
Exact match “We deliver essential and sustainable water services for the benefit of the community.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 3,921 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 3,589 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 2,659 contacts → | ||||
Exact match “Constituída oficialmente em 1º de agosto de 1975, a Companhia Estadual de Águas e Esgotos (CEDAE) é oriunda da fusão da Empresa de Águas do Estado da Guanabara (CEDAG), da Empresa…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 2,046 contacts → | ||||
Exact match “We are Uisce Éireann.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 1,970 contacts → | ||||
Exact match “Bath-times, half-times, party-times, meeting-times, and cooking-times.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 1,811 contacts → | ||||
Exact match “Vitens is het grootste drinkwaterbedrijf van Nederland.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 1,679 contacts → | ||||
Exact match “Manila Water Company, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 1,656 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 1,606 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 1,528 contacts → | ||||
Exact match “Water is overal om ons heen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 1,504 contacts → | ||||
Exact match “East Bay Municipal Utility District is a California public utility that supplies high-quality drinking water, generates renewable energy and provides wastewater treatment and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 1,492 contacts → | ||||
Exact match “The Water Utilities Corporation (WUC) is a parastatal organisation, wholly owned by the Botswana Government.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 1,481 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 1,263 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 1,196 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 1,193 contacts → | ||||
Exact match “Pengurusan Air Selangor Sdn Bhd (Air Selangor) is the largest water services provider in Malaysia, providing clean and safe treated water to 9.62 million consumers in Selangor…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 1,112 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 1,107 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 1,054 contacts → | ||||
Exact match “Une entreprise publique unique en Europe Son périmètre d'intervention englobe quatre départements et 180 communes reparties sur quatre autres départements, le SIAAP est - le seul…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 1,028 contacts → | ||||
Exact match “Our vision is to be the leading community-focused water company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 1,007 contacts → | ||||
Exact match “Essbio es la segunda empresa sanitaria más importante de Chile.” Recorded in the RevenueBase company graph · Nov 6, 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 system operators”. 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 1,898 municipal water system operators worldwide
See the full list, filter by size, metro and specialty, and access 46,201 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Municipal water system operators worldwide at a glance
As of Nov 6, 2026Companies by employee count
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 system operators are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “municipal water system operators” 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 46,201 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 November 6, 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 system operators by location
12 lists · largest firstEvery Municipal water system operators list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Municipal water system operators based in the United States446
- Municipal water system operators based in Germany140
- Municipal water system operators based in Brazil129
- Municipal water system operators based in Italy127
- Municipal water system operators based in France81
- Municipal water system operators based in Spain55
- Municipal water system operators based in Denmark32
- Municipal water system operators based in Australia29
- Municipal water system operators based in Sweden29
- Municipal water system operators based in Portugal28
- Municipal water system operators based in Canada27
- Municipal water system operators based in the United Kingdom27
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 system operators”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many municipal water system operators are there worldwide?
RevenueBase identified 1,898 company matches for municipal water system operators worldwide as of November 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 system operators?
The United States leads with 446 companies, followed by Germany (140) and Brazil (129). Every municipal water system operators list by country and city is linked on this page.
Which city has the most municipal water system operators?
Tehran leads with 7 company records, followed by Pune (6) and Littleton (5).
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 46,201 professional contacts with verified work emails tracked across these 1,898 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,898 municipal water system operators worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 municipal water system operators worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,898 matching company records for municipal water system operators worldwide, with 148,902 tracked contacts and 46,201 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 municipal water system operators worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Sabespsabesp.com.brHQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 11,763 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Thames Waterthameswater.co.ukHQ: Reading, United KingdomReported employees: 1,001-5,000 | Reading, United Kingdom | 1,001-5,000 | Exact match | 6,329 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Severn Trentseverntrent.comHQ: Coventry, United KingdomReported employees: 5,001-10,000 | Coventry, United Kingdom | 5,001-10,000 | Exact match | 6,089 contacts → |
“Water is wonderful.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Sydney Watersydneywater.com.auHQ: Parramatta, AustraliaReported employees: 1,001-5,000 | Parramatta, Australia | 1,001-5,000 | Exact match | 3,922 contacts → |
“We deliver essential and sustainable water services for the benefit of the community.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  SAURsaur.comHQ: Issy-les-moulineaux, FranceReported employees: 10001+ | Issy-les-moulineaux, France | 10001+ | Exact match | 3,921 contacts → |
“As a pure player in water and essential services, Saur works to protect the environment in the heart of the territories it serves.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  BRK Ambientalbrkambiental.com.brHQ: BrazilReported employees: 5,001-10,000 | Brazil | 5,001-10,000 | Exact match | 3,589 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  CEDAEcedae.com.brHQ: Rio De Janeiro, BrazilReported employees: 1,001-5,000 | Rio De Janeiro, Brazil | 1,001-5,000 | Exact match | 2,659 contacts → |
“Constituída oficialmente em 1º de agosto de 1975, a Companhia Estadual de Águas e Esgotos (CEDAE) é oriunda da fusão da Empresa de Águas do Estado da Guanabara (CEDAG), da Empresa…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Uisce Éireann Irish Waterwater.ieHQ: Dublin, IrelandReported employees: 1,001-5,000 | Dublin, Ireland | 1,001-5,000 | Exact match | 2,046 contacts → |
“We are Uisce Éireann.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  DŴR Cymru Welsh Waterdwrcymru.comHQ: Cardiff, United KingdomReported employees: 1,001-5,000 | Cardiff, United Kingdom | 1,001-5,000 | Exact match | 1,970 contacts → |
“Bath-times, half-times, party-times, meeting-times, and cooking-times.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Vitensvitens.nlHQ: Zwolle, NetherlandsReported employees: 1,001-5,000 | Zwolle, Netherlands | 1,001-5,000 | Exact match | 1,811 contacts → |
“Vitens is het grootste drinkwaterbedrijf van Nederland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Manila Watermanilawater.comHQ: Quezon City, PhilippinesReported employees: 1,001-5,000 | Quezon City, Philippines | 1,001-5,000 | Exact match | 1,679 contacts → |
“Manila Water Company, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  SEAALseaal.dzHQ: Alger, AlgeriaReported employees: 5,001-10,000 | Alger, Algeria | 5,001-10,000 | Exact match | 1,656 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Aqualiaaqualia.comHQ: Madrid, SpainReported employees: 5,001-10,000 | Madrid, Spain | 5,001-10,000 | Exact match | 1,606 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Waternetwaternet.nlHQ: Amsterdam, NetherlandsReported employees: 1,001-5,000 | Amsterdam, Netherlands | 1,001-5,000 | Exact match | 1,528 contacts → |
“Water is overal om ons heen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  EBMUDebmud.comHQ: Oakland, CA, United StatesReported employees: 1,001-5,000 | Oakland, CA, United States | 1,001-5,000 | Exact match | 1,504 contacts → |
“East Bay Municipal Utility District is a California public utility that supplies high-quality drinking water, generates renewable energy and provides wastewater treatment and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Gaborone, BotswanaReported employees: 1,001-5,000 | Gaborone, Botswana | 1,001-5,000 | Exact match | 1,492 contacts → |
“The Water Utilities Corporation (WUC) is a parastatal organisation, wholly owned by the Botswana Government.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Grupo Águas DO Brasilgrupoaguasdobrasil.com.brHQ: Niterói, BrazilReported employees: 1,001-5,000 | Niterói, Brazil | 1,001-5,000 | Exact match | 1,481 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Wssc Waterwsscwater.comHQ: Laurel, MD, United StatesReported employees: 1,001-5,000 | Laurel, MD, United States | 1,001-5,000 | Exact match | 1,263 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Watercare Services Limitedwatercare.co.nzHQ: Auckland, New ZealandReported employees: 1,001-5,000 | Auckland, New Zealand | 1,001-5,000 | Exact match | 1,196 contacts → |
“At Watercare we’re proud to provide a lifeline service to the people of Auckland, while protecting the environment for future generations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  AIR Selangorairselangor.comHQ: Kuala Lumpur, MalaysiaReported employees: 5,001-10,000 | Kuala Lumpur, Malaysia | 5,001-10,000 | Exact match | 1,193 contacts → |
“Pengurusan Air Selangor Sdn Bhd (Air Selangor) is the largest water services provider in Malaysia, providing clean and safe treated water to 9.62 million consumers in Selangor…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Urban Utilitiesurbanutilities.com.auHQ: Fortitude Valley, AustraliaReported employees: 1,001-5,000 | Fortitude Valley, Australia | 1,001-5,000 | Exact match | 1,112 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Inframarkinframark.comHQ: Horsham, PA, United StatesReported employees: 1,001-5,000 | Horsham, PA, United States | 1,001-5,000 | Exact match | 1,107 contacts → |
“As an Azuria owned company, Inframark is a widely recognized leader in Water Infrastructure Operations and Infrastructure Management Services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  SIAAPsiaap.frHQ: Paris, FranceReported employees: 1,001-5,000 | Paris, France | 1,001-5,000 | Exact match | 1,054 contacts → |
“Une entreprise publique unique en Europe Son périmètre d'intervention englobe quatre départements et 180 communes reparties sur quatre autres départements, le SIAAP est - le seul…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Affinity Wateraffinitywater.co.ukHQ: Hatfield, United KingdomReported employees: 1,001-5,000 | Hatfield, United Kingdom | 1,001-5,000 | Exact match | 1,028 contacts → |
“Our vision is to be the leading community-focused water company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Essbioessbio.clHQ: Concepcion, ChileReported employees: 1,001-5,000 | Concepcion, Chile | 1,001-5,000 | Exact match | 1,007 contacts → |
“Essbio es la segunda empresa sanitaria más importante de Chile.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,898 company matches
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Municipal water system operators: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,860 records in the displayed employee bands.
38 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,898 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Municipal water system operators by location
12 lists · largest firstEvery Municipal water system operators list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Municipal water system operators based in the United States446
- Municipal water system operators based in Germany140
- Municipal water system operators based in Brazil129
- Municipal water system operators based in Italy127
- Municipal water system operators based in France81
- Municipal water system operators based in Spain55
- Municipal water system operators based in Denmark32
- Municipal water system operators based in Australia29
- Municipal water system operators based in Sweden29
- Municipal water system operators based in Portugal28
- Municipal water system operators based in Canada27
- Municipal water system operators based in the United Kingdom27
Questions about this company list
What does Exact match mean for municipal water system operators?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many municipal water system operators did RevenueBase find worldwide?
The saved snapshot records 1,898 matching company records, 148,902 tracked contacts and 46,201 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 municipal water system operators worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/municipal-water-system-operators.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 municipal water system operators worldwide
RevenueBase records 1,898 matching company records for municipal water system operators worldwide, with 148,902 tracked contacts and 46,201 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 municipal water system operators worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Sabespsabesp.com.br HQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 11,763 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Thames Waterthameswater.co.uk HQ: Reading, United KingdomReported employees: 1,001-5,000 | Reading, United Kingdom | 1,001-5,000 | Exact match | 6,329 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Severn Trentseverntrent.com HQ: Coventry, United KingdomReported employees: 5,001-10,000 | Coventry, United Kingdom | 5,001-10,000 | Exact match | 6,089 contacts → |
“Water is wonderful.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Sydney Watersydneywater.com.au HQ: Parramatta, AustraliaReported employees: 1,001-5,000 | Parramatta, Australia | 1,001-5,000 | Exact match | 3,922 contacts → |
“We deliver essential and sustainable water services for the benefit of the community.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | SAURsaur.com HQ: Issy-les-moulineaux, FranceReported employees: 10001+ | Issy-les-moulineaux, France | 10001+ | Exact match | 3,921 contacts → |
“As a pure player in water and essential services, Saur works to protect the environment in the heart of the territories it serves.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | BRK Ambientalbrkambiental.com.br HQ: BrazilReported employees: 5,001-10,000 | Brazil | 5,001-10,000 | Exact match | 3,589 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | CEDAEcedae.com.br HQ: Rio De Janeiro, BrazilReported employees: 1,001-5,000 | Rio De Janeiro, Brazil | 1,001-5,000 | Exact match | 2,659 contacts → |
“Constituída oficialmente em 1º de agosto de 1975, a Companhia Estadual de Águas e Esgotos (CEDAE) é oriunda da fusão da Empresa de Águas do Estado da Guanabara (CEDAG), da Empresa…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Uisce Éireann Irish Waterwater.ie HQ: Dublin, IrelandReported employees: 1,001-5,000 | Dublin, Ireland | 1,001-5,000 | Exact match | 2,046 contacts → |
“We are Uisce Éireann.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | DŴR Cymru Welsh Waterdwrcymru.com HQ: Cardiff, United KingdomReported employees: 1,001-5,000 | Cardiff, United Kingdom | 1,001-5,000 | Exact match | 1,970 contacts → |
“Bath-times, half-times, party-times, meeting-times, and cooking-times.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Vitensvitens.nl HQ: Zwolle, NetherlandsReported employees: 1,001-5,000 | Zwolle, Netherlands | 1,001-5,000 | Exact match | 1,811 contacts → |
“Vitens is het grootste drinkwaterbedrijf van Nederland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Manila Watermanilawater.com HQ: Quezon City, PhilippinesReported employees: 1,001-5,000 | Quezon City, Philippines | 1,001-5,000 | Exact match | 1,679 contacts → |
“Manila Water Company, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | SEAALseaal.dz HQ: Alger, AlgeriaReported employees: 5,001-10,000 | Alger, Algeria | 5,001-10,000 | Exact match | 1,656 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Aqualiaaqualia.com HQ: Madrid, SpainReported employees: 5,001-10,000 | Madrid, Spain | 5,001-10,000 | Exact match | 1,606 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Waternetwaternet.nl HQ: Amsterdam, NetherlandsReported employees: 1,001-5,000 | Amsterdam, Netherlands | 1,001-5,000 | Exact match | 1,528 contacts → |
“Water is overal om ons heen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | EBMUDebmud.com HQ: Oakland, CA, United StatesReported employees: 1,001-5,000 | Oakland, CA, United States | 1,001-5,000 | Exact match | 1,504 contacts → |
“East Bay Municipal Utility District is a California public utility that supplies high-quality drinking water, generates renewable energy and provides wastewater treatment and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Gaborone, BotswanaReported employees: 1,001-5,000 | Gaborone, Botswana | 1,001-5,000 | Exact match | 1,492 contacts → |
“The Water Utilities Corporation (WUC) is a parastatal organisation, wholly owned by the Botswana Government.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Grupo Águas DO Brasilgrupoaguasdobrasil.com.br HQ: Niterói, BrazilReported employees: 1,001-5,000 | Niterói, Brazil | 1,001-5,000 | Exact match | 1,481 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Wssc Waterwsscwater.com HQ: Laurel, MD, United StatesReported employees: 1,001-5,000 | Laurel, MD, United States | 1,001-5,000 | Exact match | 1,263 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Watercare Services Limitedwatercare.co.nz HQ: Auckland, New ZealandReported employees: 1,001-5,000 | Auckland, New Zealand | 1,001-5,000 | Exact match | 1,196 contacts → |
“At Watercare we’re proud to provide a lifeline service to the people of Auckland, while protecting the environment for future generations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | AIR Selangorairselangor.com HQ: Kuala Lumpur, MalaysiaReported employees: 5,001-10,000 | Kuala Lumpur, Malaysia | 5,001-10,000 | Exact match | 1,193 contacts → |
“Pengurusan Air Selangor Sdn Bhd (Air Selangor) is the largest water services provider in Malaysia, providing clean and safe treated water to 9.62 million consumers in Selangor…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Urban Utilitiesurbanutilities.com.au HQ: Fortitude Valley, AustraliaReported employees: 1,001-5,000 | Fortitude Valley, Australia | 1,001-5,000 | Exact match | 1,112 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Inframarkinframark.com HQ: Horsham, PA, United StatesReported employees: 1,001-5,000 | Horsham, PA, United States | 1,001-5,000 | Exact match | 1,107 contacts → |
“As an Azuria owned company, Inframark is a widely recognized leader in Water Infrastructure Operations and Infrastructure Management Services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | SIAAPsiaap.fr HQ: Paris, FranceReported employees: 1,001-5,000 | Paris, France | 1,001-5,000 | Exact match | 1,054 contacts → |
“Une entreprise publique unique en Europe Son périmètre d'intervention englobe quatre départements et 180 communes reparties sur quatre autres départements, le SIAAP est - le seul…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Affinity Wateraffinitywater.co.uk HQ: Hatfield, United KingdomReported employees: 1,001-5,000 | Hatfield, United Kingdom | 1,001-5,000 | Exact match | 1,028 contacts → |
“Our vision is to be the leading community-focused water company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Essbioessbio.cl HQ: Concepcion, ChileReported employees: 1,001-5,000 | Concepcion, Chile | 1,001-5,000 | Exact match | 1,007 contacts → |
“Essbio es la segunda empresa sanitaria más importante de Chile.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,898 company matches
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Municipal water system operators: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,860 records in the displayed employee bands.
38 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,898 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Municipal water system operators by location
12 lists · largest firstEvery Municipal water system operators list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Municipal water system operators based in the United States446
- Municipal water system operators based in Germany140
- Municipal water system operators based in Brazil129
- Municipal water system operators based in Italy127
- Municipal water system operators based in France81
- Municipal water system operators based in Spain55
- Municipal water system operators based in Denmark32
- Municipal water system operators based in Australia29
- Municipal water system operators based in Sweden29
- Municipal water system operators based in Portugal28
- Municipal water system operators based in Canada27
- Municipal water system operators based in the United Kingdom27
Questions about this company list
What does Exact match mean for municipal water system operators?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many municipal water system operators did RevenueBase find worldwide?
The saved snapshot records 1,898 matching company records, 148,902 tracked contacts and 46,201 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
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Cite this list
RevenueBase Data Team. Top 25 municipal water system operators worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/municipal-water-system-operators.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗