Company lists · Data refreshed September 2026

Top 25 Activated sludge system contractors based in the Netherlands

RevenueBase identified 53 company matches for activated sludge system contractors associated with the Netherlands as of September 2026 and tracks 1,712 professional contacts across them, including 884 with verified work emails. Heerenveen is the largest hub.

This list covers company matches for activated sludge system contractors 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 September 30, 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 Sep 30, 2026 How this list was built
53Companies
1,712Contacts tracked
884Verified emails
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The 25 largest activated sludge system contractors based in the Netherlands

Ranked by team size
Top 25 of 53 company matches for activated sludge system contractors based in the Netherlands, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 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 matchDoetinchem, NetherlandsHQ recorded Sep 30, 20261,001-5,000609 contacts →

Exact match

“Founded in 1904, Nijhuis Saur Industries provides solid and adaptive solutions for sustainable and resilient water use, energy- and resource recovery.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2Exact matchOpheusden, NetherlandsHQ recorded Sep 30, 2026501-1,000435 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 · Sep 30, 2026 · View company records in RevenueBase
3Exact matchGroot-ammers, NetherlandsHQ recorded Sep 30, 202651-20073 contacts →

Exact match

“Logisticon Water Treatment designs and constructs complete water treatment installations for the preparation of drinking and process water, and for the treatment of communal and…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4Exact matchVeghel, NetherlandsHQ recorded Sep 30, 202651-20055 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5Exact matchSneek, NetherlandsHQ recorded Sep 30, 202651-20049 contacts →

Exact match

“Landustrie's basis was laid around 1913.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6Exact matchBalk, NetherlandsHQ recorded Sep 30, 202651-20046 contacts →

Exact match

“Mous Waterbeheer is een dynamisch en innovatief bedrijf wat onder leiding van directeur/eigenaar Hidde Kriele, toonaangevend en veelzijdig is in ontwerp, realisatie, renovatie van…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7Exact matchPiershil, NetherlandsHQ recorded Sep 30, 202651-20040 contacts →

Exact match

“For over 90 years Bosman Watermanagement has been recognized for it's expertise in water management; including wind watermills, small pumping units, large capacity pumping…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8Exact matchHeerenveen, NetherlandsHQ recorded Sep 30, 202651-20036 contacts →

Exact match

“Econvert designs and implements technology for the treatment of industrial wastewater & biogas.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9Exact matchAlmere, NetherlandsHQ recorded Sep 30, 202611-5035 contacts →

Exact match

“At Qua-vac we design, produce, and deliver environmentally friendly vacuum sewerage systems for wastewater treatment.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10Exact matchBalk, NetherlandsHQ recorded Sep 30, 202651-20034 contacts →

Exact match

“Spaans Babcock has over 125 years of experience in designing and building Water and Wastewater treatment equipment and equipment for Hydropower plants.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11Exact matchLochem, NetherlandsHQ recorded Sep 30, 202611-5022 contacts →

Exact match

“Waterstromen haalt alles uit uw water!”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12Exact matchKapellebrug, NetherlandsHQ recorded Sep 30, 202611-5022 contacts →

Exact match

“Wastewater treatment | Water production & reuse | Sustainable solutions | Dedicated operations & service | PureBlue Water is your sustainable and committed partner for…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13Exact match's-hertogenbosch, NetherlandsHQ recorded Sep 30, 202611-5016 contacts →

Exact match

“Aquacare ontwerpt, bouwt, implementeert en onderhoudt systemen voor waterbehandeling.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14Exact match’s-hertogenbosch, NetherlandsHQ recorded Sep 30, 20261-1015 contacts →

Exact match

“HydroThane is a group of companies specialized in industrial waste water treatment, water recycling, solid waste digestion and biogas treatment.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15Exact matchOldenzaal, NetherlandsHQ recorded Sep 30, 2026501-1,00013 contacts →

Exact match

“For many years, Grünbeck has been one of the most successful and most reputable companies for water treatment in Europe.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16Exact matchSint Jansklooster, NetherlandsHQ recorded Sep 30, 202611-5011 contacts →

Exact match

“Wij zijn Rook Pijpleidingbouw: specialisten in het ontwerpen, het bouwen en onderhouden van drink- en industriewaterzuiveringen.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17Exact matchSneek, NetherlandsHQ recorded Sep 30, 20261-108 contacts →

Exact match

“Brightwork offers consultancy services to both Dutch and international water utilities and industries regarding (waste)water treatment, water reuse, sludge and energy management.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18Exact matchRuinerwold, NetherlandsHQ recorded Sep 30, 20261-107 contacts →

Exact match

“At Wetlantec we deliver worldwide sustainable solutions for water.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19Exact matchMoordrecht, NetherlandsHQ recorded Sep 30, 202611-507 contacts →

Exact match

“Kadiks Automatisering BV is gespecialiseerd in het ontwerpen en uitvoeren van complete geautomatiseerde besturingsinstallaties voor gemalen, stuwen, inlaten en…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20Exact matchKapelle, NetherlandsHQ recorded Sep 30, 20261-106 contacts →

Exact match

“Service in Separation is sinds 2006 een dienstverlener voor het leveren van oplossingen voor tijdelijke voorzieningen op waterzuiveringsinstallaties, zowel communaal als…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21Exact matchSteenwijk, NetherlandsHQ recorded Sep 30, 20261-105 contacts →

Exact match

“ATB nederland is a firm with a broad experience in wastewatertreatment and industrial procestechnology.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22Exact matchZoeterwoude, NetherlandsHQ recorded Sep 30, 202611-505 contacts →

Exact match

“Ovivo Deutschland GmbH is a machinery company based out of Energieweg 5, ZOETERWOUDE, Netherlands.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23Exact matchBaexem, NetherlandsHQ recorded Sep 30, 20261-104 contacts →

Exact match

“Afvalwatertechniek.nl Afvalwater -opvang-behandeling en -recycling voor MKB en Industrie Biologische, chemische en fysische waterzuivering Olieafscheiders, vetafscheiders…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24Exact matchTilburg, NetherlandsHQ recorded Sep 30, 20261-104 contacts →

Exact match

“Innovative supplier of water treatment equipment, plant and services for clean water applications since 1980.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25Exact matchHaarlem, NetherlandsHQ recorded Sep 30, 20261-103 contacts →

Exact match

“EnviroChemie – water- en afvalwaterbehandeling voor de industrie Onze ingenieurs en wetenschappers ontwerpen, bouwen, onderhouden en geven advies”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase

Showing 25 of 53 activated sludge system contractors based in the Netherlands

See the full list, filter by size, metro and specialty, and access 884 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Activated sludge system contractors based in the Netherlands at a glance

As of Sep 30, 2026
51.6%Verified-email coverage
32.3Average contacts per company
11-50Median size (employees)
3.8%Largest-city concentration · Heerenveen
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
25
11-50
13
51-200
11
501-1,000
3
1,001-5,000
1

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 53 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 “activated sludge system contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. 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 884 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 September 30, 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 “activated sludge system contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many activated sludge system contractors are there based in the Netherlands?

RevenueBase identified 53 company matches for activated sludge system contractors associated with the Netherlands as of September 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?

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

Which city has the most activated sludge system contractors?

Heerenveen leads with 2 company records, followed by Sneek (2) and Ad (1).

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 884 professional contacts with verified work emails tracked across these 53 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 September 30, 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.