Company lists · Data refreshed November 2026

Top 25 Water sanitation organizations based in the Netherlands

RevenueBase identified 191 company matches for water sanitation organizations associated with the Netherlands as of November 2026 and tracks 9,531 professional contacts across them, including 4,250 with verified work emails. Amsterdam is the largest hub.

This list covers company matches for water sanitation organizations associated with the Netherlands, 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.

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
191Companies
9,531Contacts tracked
4,250Verified emails
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The 25 largest water sanitation organizations based in the Netherlands

Ranked by team size
Top 25 of 191 company matches for water sanitation organizations based in the Netherlands, 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 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
2Exact 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
3Exact matchVelserbroek, NetherlandsHQ recorded Nov 6, 2026501-1,000730 contacts →

Exact match

“PWN staat voor drinkwater en natuur en zet deze krachtige combinatie in om de leveringszekerheid van ons drinkwater voor onze klanten te borgen en de natuur in onze duinen te…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBreda, NetherlandsHQ recorded Nov 6, 2026201-500644 contacts →

Exact match

“Waterschap Brabantse Delta zorgt voor veilige dijken en kades, zuivert rioolwater, verbetert en bewaakt de kwaliteit van het oppervlaktewater en regelt de hoogte van het water in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchAlmelo, NetherlandsHQ recorded Nov 6, 2026201-500538 contacts →

Exact match

“Schoon, veilig en voldoende water: dat is onze missie.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchDoetinchem, NetherlandsHQ recorded Nov 6, 2026501-1,000512 contacts →

Exact match

“Waterschap Rijn en IJssel zorgt voor het water in Oost-Gelderland, het zuiden van Overijssel en het zuidoosten van de Veluwe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchOpheusden, NetherlandsHQ recorded Nov 6, 2026501-1,000464 contacts →

Exact match

“Al ruim een halve eeuw zetten we ons in voor duurzame oplossingen op het gebied van waterkwaliteit, waterveiligheid, bio-energie en industriële bouw en infra.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchDelft, NetherlandsHQ recorded Nov 6, 202651-200420 contacts →

Exact match

“IHE Delft is the largest international graduate water education facility in the world and is based in Delft, the Netherlands.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLelystad, NetherlandsHQ recorded Nov 6, 2026201-500417 contacts →

Exact match

“Wij zijn Waterschap Zuiderzeeland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchGroningen, NetherlandsHQ recorded Nov 6, 2026201-500271 contacts →

Exact match

“Schoon drinkwater leveren aan alle Groningers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchGouda, NetherlandsHQ recorded Nov 6, 2026201-500271 contacts →

Exact match

“Oasen is een maatschappelijk drinkwaterbedrijf.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchHouten, NetherlandsHQ recorded Nov 6, 202651-200206 contacts →

Exact match

“AQUON is de ideale partner voor watergerelateerd onderzoek.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLeeuwarden, NetherlandsHQ recorded Nov 6, 202651-200201 contacts →

Exact match

“Wetsus, European centre of excellence for sustainable water technology, is a facilitating intermediary for trend-setting know-how development.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchThe Hague, NetherlandsHQ recorded Nov 6, 2026n/a186 contacts →

Exact match

“Join us to build a world in which all people live in a clean environment with access to appropriate and sustainable sanitation and waste services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchUtrecht, NetherlandsHQ recorded Nov 6, 202651-200132 contacts →

Exact match

“VEI - Dutch Water Operators Providing universal access to potable water positively boosts the economic and social development of a region.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchPoeldijk, NetherlandsHQ recorded Nov 6, 2026201-500118 contacts →

Exact match

“Sinds 1962 is vandervalk+degroot uitgegroeid tot marktleider op het gebied van reiniging, inspectie en renovatie van diverse infrastructuurprojecten.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHaarlem, NetherlandsHQ recorded Nov 6, 202651-200109 contacts →

Exact match

“Het Waterlaboratorium is een zelfstandig opererend semipubliek bedrijf met drie sterke aandeelhouders: Dunea Duin en Water, PWN Waterleidingbedrijf Noord-Holland en Waternet…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchGlimmen, NetherlandsHQ recorded Nov 6, 202651-200104 contacts →

Exact match

“WLN is een onafhankelijk partner in onderzoek en advies voor drink, industrie- en afvalwater.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAlmelo, NetherlandsHQ recorded Nov 6, 202651-20091 contacts →

Exact match

“RWB Water is a multidisciplinary organisation with extra know how in the field of water treatment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchDeventer, NetherlandsHQ recorded Nov 6, 202651-20071 contacts →

Exact match

“C mark is leading in research and consulting in the fields of water safety and water quality.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchVeghel, NetherlandsHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“Kanters is specialist op het gebied van afvalwatertechniek en infratechniek.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchEdam, NetherlandsHQ recorded Nov 6, 202651-20062 contacts →

Exact match

“Wij zijn één van de vijf waterschapslaboratoria in Nederland en een stichting zonder winstoogmerk.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSneek, NetherlandsHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“Together, over 250 years of experience in moving and treating water.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchThe Hague, NetherlandsHQ recorded Nov 6, 202651-20057 contacts →

Exact match

“It's not just about scarcity: the systems that should give people access to safe water and sanitation either don't exist or are breaking down, on a massive scale, across the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchOud-gastel, NetherlandsHQ recorded Nov 6, 202651-20055 contacts →

Exact match

“Er is niets dat zo essentieel is voor het leven op aarde als water.”

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

Showing 25 of 191 water sanitation organizations based in the Netherlands

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Water sanitation organizations based in the Netherlands at a glance

As of Nov 6, 2026
44.6%Verified-email coverage
49.9Average contacts per company
11-50Median size (employees)
8.9%Largest-city concentration · Amsterdam
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
93
11-50
51
51-200
30
201-500
8
501-1,000
6
1,001-5,000
1
10001+
2

Email recency for this list is measured worldwide rather than for Netherlands, so it is reported there. Company counts and contact totals on this page are exact for Netherlands, over 191 companies.

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.
What qualifies
Company records associated with the Netherlands whose business descriptions match “water sanitation organizations” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 4,250 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.

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 “water sanitation organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many water sanitation organizations are there based in the Netherlands?

RevenueBase identified 191 company matches for water sanitation organizations associated with the Netherlands 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?

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

Which city has the most water sanitation organizations?

Amsterdam leads with 17 company records, followed by The Hague (8) and Delft (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 4,250 professional contacts with verified work emails tracked across these 191 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.