Company lists · Data refreshed November 2026
Top 25 Sewer system operators worldwide
RevenueBase identified 947 company matches for sewer system operators worldwide as of November 2026 and tracks 40,613 professional contacts across them, including 12,683 with verified work emails. The United States is the largest market and Xian the largest hub.
This list covers company matches for sewer 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 sewer 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 sewer system operators worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 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 | |||||
| 3 | 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 | |||||
| 4 | 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 | |||||
| 5 | 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 | |||||
| 6 | 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 | |||||
| 7 | 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 | |||||
| 8 | 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 | |||||
| 9 | 903 contacts → | ||||
Exact match “We service 2 million people and businesses across a area, from Wallan in the north to Warburton in the east.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 761 contacts → | ||||
Exact match “Unitywater provides essential water supply and sewage treatment services to residents and businesses in the Moreton Bay, Sunshine Coast and Noosa regions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 564 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 488 contacts → | ||||
Exact match “The Northeast Ohio Regional Sewer District protects public health and the environment by leading effective wastewater and stormwater management.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 485 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 405 contacts → | ||||
Exact match “Rent vatten i kranen, avlopp och sophämtning måste fungera dygnet runt, året runt.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 380 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 323 contacts → | ||||
Exact match “Veritas è la società per azioni a capitale interamente pubblico che fornisce servizi ambientali ai 51 Comuni soci (la Città metropolitana di Venezia e parte della provincia di…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 314 contacts → | ||||
Exact match “A Ambiental Ceará é a de esgoto da Cagece, a maior do país no setor de saneamento básico, e chega para somar na vida do cearense, ficando responsável pela ampliação, operação e…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 300 contacts → | ||||
Exact match “Akcionáři společnosti: Hlavní činnosti: Provozování vodovodů a kanalizací Úprava vod a čistění odpadních vod Poradenství ve vodohospodářské činnosti Investorsko-inženýrská činnost…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 283 contacts → | ||||
Exact match “Toho Water Authority was established in 2003 by a special act of the Florida legislature and provides a full range of water, wastewater and reclaimed water services to its…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 261 contacts → | ||||
Exact match “Uppsala Vatten och Avfall AB är ett kommunalt bolag med cirka 370 medarbetare.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 248 contacts → | ||||
Exact match “ALCOSAN is one of the Pittsburgh region’s premiere environmental and public health organizations, treating wastewater for 83 Allegheny County communities, including the City of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 207 contacts → | ||||
Exact match “Aarhus Vand is a Danish public limited company owned by Aarhus Municipality.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 202 contacts → | ||||
Exact match “Rent vatten.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 198 contacts → | ||||
Exact match “A healthy region enabled by water Our vision is for a region where people can live well, communities are supported, and economies thrive, with water playing a vital role in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 180 contacts → | ||||
Exact match “Water and Waste company” 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 “sewer 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 947 sewer system operators worldwide
See the full list, filter by size, metro and specialty, and access 12,683 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Sewer 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 sewer system operators are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “sewer 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 12,683 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.
Sewer system operators by location
6 lists · largest firstEvery Sewer system operators 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 “sewer system operators”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many sewer system operators are there worldwide?
RevenueBase identified 947 company matches for sewer 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?
BRK Ambiental tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most sewer system operators?
The United States leads with 220 companies, followed by Germany (104) and Italy (80). Every sewer system operators list by country and city is linked on this page.
Which city has the most sewer system operators?
Xian leads with 5 company records, followed by Atibaia (3) and Caxias Do Sul (3).
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 12,683 professional contacts with verified work emails tracked across these 947 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 947 sewer 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 sewer 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 947 matching company records for sewer system operators worldwide, with 40,613 tracked contacts and 12,683 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 sewer 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 | 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. | |||||
| 2 | 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. | |||||
| 3 | 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. | |||||
| 4 | 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. | |||||
| 5 | 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. | |||||
| 6 | 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. | |||||
| 7 | 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. | |||||
| 8 | 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. | |||||
| 9 | HQ: Melbourne, AustraliaReported employees: 501-1,000 | Melbourne, Australia | 501-1,000 | Exact match | 903 contacts → |
“We service 2 million people and businesses across a area, from Wallan in the north to Warburton in the east.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Maroochydore, AustraliaReported employees: 501-1,000 | Maroochydore, Australia | 501-1,000 | Exact match | 761 contacts → |
“Unitywater provides essential water supply and sewage treatment services to residents and businesses in the Moreton Bay, Sunshine Coast and Noosa regions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Athens, GreeceReported employees: 1,001-5,000 | Athens, Greece | 1,001-5,000 | Exact match | 564 contacts → |
“Athens Water Supply & Sewerage Company S.A.(EYDAP) is the largest Greek company in the water supply, sewerage and waste water treatment sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Cleveland, OH, United StatesReported employees: 501-1,000 | Cleveland, OH, United States | 501-1,000 | Exact match | 488 contacts → |
“The Northeast Ohio Regional Sewer District protects public health and the environment by leading effective wastewater and stormwater management.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 485 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | HQ: Gothenburg, SwedenReported employees: 501-1,000 | Gothenburg, Sweden | 501-1,000 | Exact match | 405 contacts → |
“Rent vatten i kranen, avlopp och sophämtning måste fungera dygnet runt, året runt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Antwerp, BelgiumReported employees: 501-1,000 | Antwerp, Belgium | 501-1,000 | Exact match | 380 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Venice, ItalyReported employees: 1,001-5,000 | Venice, Italy | 1,001-5,000 | Exact match | 323 contacts → |
“Veritas è la società per azioni a capitale interamente pubblico che fornisce servizi ambientali ai 51 Comuni soci (la Città metropolitana di Venezia e parte della provincia di…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Cariri Ao Litoral, BrazilReported employees: 501-1,000 | Cariri Ao Litoral, Brazil | 501-1,000 | Exact match | 314 contacts → |
“A Ambiental Ceará é a de esgoto da Cagece, a maior do país no setor de saneamento básico, e chega para somar na vida do cearense, ficando responsável pela ampliação, operação e…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Praha 1, Czech RepublicReported employees: 1,001-5,000 | Praha 1, Czech Republic | 1,001-5,000 | Exact match | 300 contacts → |
“Akcionáři společnosti: Hlavní činnosti: Provozování vodovodů a kanalizací Úprava vod a čistění odpadních vod Poradenství ve vodohospodářské činnosti Investorsko-inženýrská činnost…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Kissimmee, FL, United StatesReported employees: 501-1,000 | Kissimmee, FL, United States | 501-1,000 | Exact match | 283 contacts → |
“Toho Water Authority was established in 2003 by a special act of the Florida legislature and provides a full range of water, wastewater and reclaimed water services to its…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Uppsala, SwedenReported employees: 201-500 | Uppsala, Sweden | 201-500 | Exact match | 261 contacts → |
“Uppsala Vatten och Avfall AB är ett kommunalt bolag med cirka 370 medarbetare.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Pittsburgh, United StatesReported employees: 201-500 | Pittsburgh, United States | 201-500 | Exact match | 248 contacts → |
“ALCOSAN is one of the Pittsburgh region’s premiere environmental and public health organizations, treating wastewater for 83 Allegheny County communities, including the City of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Århus, DenmarkReported employees: 201-500 | Århus, Denmark | 201-500 | Exact match | 207 contacts → |
“Aarhus Vand is a Danish public limited company owned by Aarhus Municipality.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Helsingborg, SwedenReported employees: 51-200 | Helsingborg, Sweden | 51-200 | Exact match | 202 contacts → |
“Rent vatten.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Warrnambool, AustraliaReported employees: 201-500 | Warrnambool, Australia | 201-500 | Exact match | 198 contacts → |
“A healthy region enabled by water Our vision is for a region where people can live well, communities are supported, and economies thrive, with water playing a vital role in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Åkersberga, SwedenReported employees: 201-500 | Åkersberga, Sweden | 201-500 | Exact match | 180 contacts → |
“Water and Waste company” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 947 company matches
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Sewer 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
915 records in the displayed employee bands.
32 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 947 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 ↗
Sewer system operators by location
6 lists · largest firstEvery Sewer system operators list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for sewer 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 sewer system operators did RevenueBase find worldwide?
The saved snapshot records 947 matching company records, 40,613 tracked contacts and 12,683 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.
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Cite this list
RevenueBase Data Team. Top 25 sewer system operators worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/sewer-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 sewer system operators worldwide
RevenueBase records 947 matching company records for sewer system operators worldwide, with 40,613 tracked contacts and 12,683 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 sewer 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 | 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. | |||||
| 2 | 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. | |||||
| 3 | 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. | |||||
| 4 | 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. | |||||
| 5 | 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. | |||||
| 6 | 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. | |||||
| 7 | 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. | |||||
| 8 | 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. | |||||
| 9 | HQ: Melbourne, AustraliaReported employees: 501-1,000 | Melbourne, Australia | 501-1,000 | Exact match | 903 contacts → |
“We service 2 million people and businesses across a area, from Wallan in the north to Warburton in the east.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Maroochydore, AustraliaReported employees: 501-1,000 | Maroochydore, Australia | 501-1,000 | Exact match | 761 contacts → |
“Unitywater provides essential water supply and sewage treatment services to residents and businesses in the Moreton Bay, Sunshine Coast and Noosa regions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Athens, GreeceReported employees: 1,001-5,000 | Athens, Greece | 1,001-5,000 | Exact match | 564 contacts → |
“Athens Water Supply & Sewerage Company S.A.(EYDAP) is the largest Greek company in the water supply, sewerage and waste water treatment sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Cleveland, OH, United StatesReported employees: 501-1,000 | Cleveland, OH, United States | 501-1,000 | Exact match | 488 contacts → |
“The Northeast Ohio Regional Sewer District protects public health and the environment by leading effective wastewater and stormwater management.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 485 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | HQ: Gothenburg, SwedenReported employees: 501-1,000 | Gothenburg, Sweden | 501-1,000 | Exact match | 405 contacts → |
“Rent vatten i kranen, avlopp och sophämtning måste fungera dygnet runt, året runt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Antwerp, BelgiumReported employees: 501-1,000 | Antwerp, Belgium | 501-1,000 | Exact match | 380 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Venice, ItalyReported employees: 1,001-5,000 | Venice, Italy | 1,001-5,000 | Exact match | 323 contacts → |
“Veritas è la società per azioni a capitale interamente pubblico che fornisce servizi ambientali ai 51 Comuni soci (la Città metropolitana di Venezia e parte della provincia di…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Cariri Ao Litoral, BrazilReported employees: 501-1,000 | Cariri Ao Litoral, Brazil | 501-1,000 | Exact match | 314 contacts → |
“A Ambiental Ceará é a de esgoto da Cagece, a maior do país no setor de saneamento básico, e chega para somar na vida do cearense, ficando responsável pela ampliação, operação e…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Praha 1, Czech RepublicReported employees: 1,001-5,000 | Praha 1, Czech Republic | 1,001-5,000 | Exact match | 300 contacts → |
“Akcionáři společnosti: Hlavní činnosti: Provozování vodovodů a kanalizací Úprava vod a čistění odpadních vod Poradenství ve vodohospodářské činnosti Investorsko-inženýrská činnost…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Kissimmee, FL, United StatesReported employees: 501-1,000 | Kissimmee, FL, United States | 501-1,000 | Exact match | 283 contacts → |
“Toho Water Authority was established in 2003 by a special act of the Florida legislature and provides a full range of water, wastewater and reclaimed water services to its…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Uppsala, SwedenReported employees: 201-500 | Uppsala, Sweden | 201-500 | Exact match | 261 contacts → |
“Uppsala Vatten och Avfall AB är ett kommunalt bolag med cirka 370 medarbetare.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Pittsburgh, United StatesReported employees: 201-500 | Pittsburgh, United States | 201-500 | Exact match | 248 contacts → |
“ALCOSAN is one of the Pittsburgh region’s premiere environmental and public health organizations, treating wastewater for 83 Allegheny County communities, including the City of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Århus, DenmarkReported employees: 201-500 | Århus, Denmark | 201-500 | Exact match | 207 contacts → |
“Aarhus Vand is a Danish public limited company owned by Aarhus Municipality.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Helsingborg, SwedenReported employees: 51-200 | Helsingborg, Sweden | 51-200 | Exact match | 202 contacts → |
“Rent vatten.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Warrnambool, AustraliaReported employees: 201-500 | Warrnambool, Australia | 201-500 | Exact match | 198 contacts → |
“A healthy region enabled by water Our vision is for a region where people can live well, communities are supported, and economies thrive, with water playing a vital role in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Åkersberga, SwedenReported employees: 201-500 | Åkersberga, Sweden | 201-500 | Exact match | 180 contacts → |
“Water and Waste company” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 947 company matches
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Sewer 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
915 records in the displayed employee bands.
32 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 947 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.
Publisher-reported method study
The published RevenueBase SmartSearch benchmark
86% good or better at Exact
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. It reports 86% of Exact matches judged good or better, and 77% for a 240-pair sample of one- or two-word categories. This evaluates the method across study queries rather than auditing this individual list.
Read the study and full methodology ↗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 ↗
Sewer system operators by location
6 lists · largest firstEvery Sewer system operators list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for sewer 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 sewer system operators did RevenueBase find worldwide?
The saved snapshot records 947 matching company records, 40,613 tracked contacts and 12,683 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 sewer system operators worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/sewer-system-operators.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗