Company lists · Data refreshed November 2026

Top 25 District water reuse operators worldwide

RevenueBase identified 1,424 company matches for district water reuse operators worldwide as of November 2026 and tracks 93,105 professional contacts across them, including 31,643 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for district water reuse 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 district water reuse 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
1,424Companies
93,105Contacts tracked
31,643Verified emails
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The 25 largest district water reuse operators worldwide

Ranked by team size
Top 25 of 1,424 company matches for district water reuse operators worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLeederville, AustraliaHQ recorded Nov 6, 20261,001-5,0004,033 contacts →

Exact match

“We’re the principal supplier of water, wastewater and drainage services in Western Australia to hundreds of thousands of homes, businesses and farms, as well as providing bulk…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchParramatta, AustraliaHQ recorded Nov 6, 20261,001-5,0003,922 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
3Exact matchHuntingdon, United KingdomHQ recorded Nov 6, 20265,001-10,0003,747 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 20261,001-5,0002,659 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
5Exact matchDublin, IrelandHQ recorded Nov 6, 20261,001-5,0002,046 contacts →

Exact match

“We are Uisce Éireann.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLa Pintana, ChileHQ recorded Nov 6, 20261,001-5,0001,703 contacts →

Exact match

“Nuestra gestión se sustenta en altos estándares de profesionalismo y experiencia que nos permite entregar un servicio de gran calidad, cautelando la sostenibilidad de los recursos…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchAlger, AlgeriaHQ recorded Nov 6, 20265,001-10,0001,656 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
8Exact matchAmsterdam, NetherlandsHQ recorded Nov 6, 20261,001-5,0001,528 contacts →

Exact match

“Water is overal om ons heen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchOakland, CA, United StatesHQ recorded Nov 6, 20261,001-5,0001,504 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
10Exact matchKampala, UgandaHQ recorded Nov 6, 20261,001-5,0001,428 contacts →

Exact match

“Established in 1972, the mandate of the National Water and Sewerage Corporation (NWSC) as defined in the NWSC Act Cap 317, is to operate and provide water and sewerage services in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLaurel, MD, United StatesHQ recorded Nov 6, 20261,001-5,0001,263 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
12Exact matchFortitude Valley, AustraliaHQ recorded Nov 6, 20261,001-5,0001,112 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
13Exact matchHorsham, PA, United StatesHQ recorded Nov 6, 20261,001-5,0001,107 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
14Exact matchParis, FranceHQ recorded Nov 6, 20261,001-5,0001,054 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
15Exact matchDenver, CO, United StatesHQ recorded Nov 6, 20261,001-5,000976 contacts →

Exact match

“Denver Water proudly serves high-quality water and promotes its efficient use to 1.5 million people in the city of Denver and many surrounding suburbs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMelbourne, AustraliaHQ recorded Nov 6, 2026501-1,000903 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
17Exact matchSydney, AustraliaHQ recorded Nov 6, 2026501-1,000850 contacts →

Exact match

“At WaterNSW we are custodians of the state’s water, a vital natural resource.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchRotterdam, NetherlandsHQ recorded Nov 6, 2026501-1,000839 contacts →

Exact match

“Duurzaam, innovatief en in verbinding met de omgeving; zo werkt Evides Waterbedrijf.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBari, ItalyHQ recorded Nov 6, 20261,001-5,000827 contacts →

Exact match

“Da oltre un secolo portiamo acqua di qualità, un bene prezioso per la vita e lo sviluppo del territorio, a milioni di persone.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMaroochydore, AustraliaHQ recorded Nov 6, 2026501-1,000761 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
21Exact matchMandaluyong, PhilippinesHQ recorded Nov 6, 2026201-500736 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchUnited StatesHQ recorded Nov 6, 20261,001-5,000695 contacts →

Exact match

“California Water Service (Cal Water) is the largest regulated American water utility west of the Mississippi River and the third-largest in the country.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchFortitude Valley, AustraliaHQ recorded Nov 6, 2026501-1,000686 contacts →

Exact match

“Sunwater is a water solutions and service provider delivering the most essential of resources in regional communities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchParis, FranceHQ recorded Nov 6, 2026501-1,000633 contacts →

Exact match

“Première entreprise publique d’eau en France, Eau de Paris délivre chaque jour une eau d’excellente qualité, au prix le plus juste à ses 3 millions d’usagers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBucharest, RomaniaHQ recorded Nov 6, 20261,001-5,000629 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,424 district water reuse operators worldwide

See the full list, filter by size, metro and specialty, and access 31,643 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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District water reuse operators worldwide at a glance

As of Nov 6, 2026
34.0%Verified-email coverage
65.4Average contacts per company
11-50Median size (employees)
0.5%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
454
11-50
344
51-200
304
201-500
141
501-1,000
71
1,001-5,000
72
5,001-10,000
5
10001+
6

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 district water reuse operators are linked below.
What qualifies
Company records worldwide whose business descriptions match “district water reuse 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 31,643 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.

District water reuse operators by location

8 lists · largest first

Every District water reuse 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 “district water reuse operators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many district water reuse operators are there worldwide?

RevenueBase identified 1,424 company matches for district water reuse 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?

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

Which country has the most district water reuse operators?

The United States leads with 535 companies, followed by Germany (95) and Brazil (64). Every district water reuse operators list by country and city is linked on this page.

Which city has the most district water reuse operators?

Houston leads with 7 company records, followed by Paris (6) and Bakersfield (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 31,643 professional contacts with verified work emails tracked across these 1,424 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.

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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.