Company lists · Data refreshed November 2026

Top 21 Oil refinery maintenance contractors based in the Netherlands

Name: Oil refinery maintenance contractors based in the Netherlands
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 54 companies tracked

RevenueBase identified 54 company matches for oil refinery maintenance contractors associated with the Netherlands as of November 2026 and tracks 3,663 professional contacts across them, including 1,078 with verified work emails. Rotterdam is the largest hub.

This list covers company matches for oil refinery maintenance 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 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

54Companies

3,663Contacts tracked

1,078Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 21 largest oil refinery maintenance contractors based in the Netherlands

Ranked by team size

Top 21 of 54 company matches for oil refinery maintenance contractors 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Verwater Group B.V	Exact match	Rotterdam, NetherlandsHQ recorded Nov 6, 2026	1,001-5,000	354 contacts →
	Exact match “Verwater breathes Tank & Industrial Services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Petrodec	Exact match	Spicalaan 13 2132 Jg Hoofddorp the Netherlands, NetherlandsHQ recorded Nov 6, 2026	51-200	179 contacts →
	Exact match “Petrodec is a responsible offshore contractor, ready to deliver safe, efficient and innovative decommissioning or re-use solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Intures	Exact match	Velsen Noord, NetherlandsHQ recorded Nov 6, 2026	51-200	45 contacts →
	Exact match “Intures is an independent engineering firm specializing in life-extending maintenance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Tacon Group	Exact match	Sittard, NetherlandsHQ recorded Nov 6, 2026	51-200	39 contacts →
	Exact match “Tacon Group is een onafhankelijke, multidisciplinaire dienstverlener in de energie, gas-(petro-) chemie, proces industrie, farmaceutica en infra projecten.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	KIS CNC Services	Exact match	NetherlandsHQ recorded Nov 6, 2026	51-200	30 contacts →
	Exact match “KIS CNC Services is a leading industrial maintenance specialist in The Netherlands, with state-of-the-art repair shops in Hengelo, Rotterdam and Nederweert.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Madolex	Exact match	Roermond, NetherlandsHQ recorded Nov 6, 2026	51-200	28 contacts →
	Exact match “Madolex is expert op het gebied van machineonderhoud, reparatie en turnkey projecten.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Rotary Industry Group	Exact match	Brielle, NetherlandsHQ recorded Nov 6, 2026	51-200	25 contacts →
	Exact match “Rotary Equipment Service in Brielle (founded 1976) is a reliable partner concerning the repair and revision of rotating equipment such as pumps, mixers and turbines.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Runwell Energy Services	Exact match	Emmen, NetherlandsHQ recorded Nov 6, 2026	11-50	24 contacts →
	Exact match “We are a company in the petrochemical and geothermal industry who is specialized in the maintenance and re-certification of equipment used in these industries such as- High…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Pielkenrood Industries	Exact match	Heerhugowaard, NetherlandsHQ recorded Nov 6, 2026	11-50	17 contacts →
	Exact match “At Pielkenrood, we specialize in designing and building complex systems, from refineries and crude oil processing facilities to water treatment plants.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Wimorost Construction B.V	Exact match	Moerdijk, NetherlandsHQ recorded Nov 6, 2026	11-50	16 contacts →
	Exact match “Wimorost Construction is a dynamic and ambitious company that satisfies client requirements.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Bobach Service Nederland B.V	Exact match	Velsen-noord, NetherlandsHQ recorded Nov 6, 2026	11-50	13 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	VAN DER Mark Ketelonderhoud	Exact match	De Lier, NetherlandsHQ recorded Nov 6, 2026	11-50	11 contacts →
	Exact match “Van der Mark - Ketelonderhoud, afsluiters, veiligheden appendages onderhoud en revisie Van der Mark - Boiler services, valve maintenance repair and overhaul” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Human Industries	Exact match	Hellevoetsluis, NetherlandsHQ recorded Nov 6, 2026	11-50	10 contacts →
	Exact match “Human Industries specializes in preventive maintenance and overhaul of rotating equipment, including: compressors, steam turbines, pumps and other rotating equipment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	ECLON	Exact match	Ruurlo, NetherlandsHQ recorded Nov 6, 2026	11-50	8 contacts →
	Exact match “ECLON Projects: industrial services such as installation and maintenance of gasturbines, steamturbines and compressors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	H&s Services B.V	Exact match	Beverwijk, NetherlandsHQ recorded Nov 6, 2026	51-200	7 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Plus Equipment B.V	Exact match	Velp, NetherlandsHQ recorded Nov 6, 2026	11-50	5 contacts →
	Exact match “Plus Equipment is al 19 jaar een Betrouwbaar, Betrokken en Bevlogen partner in het adviseren en inrichten van onderhoudswerkplaatsen en brandstofinstallaties.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Montage Onderneming Benelux B.V	Exact match	Rotterdam, NetherlandsHQ recorded Nov 6, 2026	51-200	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Refinery Service Technology BV	Exact match	Hilversum, NetherlandsHQ recorded Nov 6, 2026	1-10	2 contacts →
	Exact match “Our Mission: To guarantee that all aspects of a catalyst change-out are executed to the highest possible standards with respect to quality, efficiency and most important, safety.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Indus3 B.V	Exact match	Hellevoetsluis, NetherlandsHQ recorded Nov 6, 2026	1-10	2 contacts →
	Exact match “InduS3 is a dynamic and customer-oriented company that specializes in a wide range of activities in turnarounds, new constructions/installations, cleaning and process improvement…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Adok-Solutions	Exact match	The Hague, NetherlandsHQ recorded Nov 6, 2026	11-50	1 contacts →
	Exact match “Much of the oil and gas production facilities are now either approaching or ageing far past its operational life expectancy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Braas Allround Service B.V	Exact match	Hoogkarspel, NetherlandsHQ recorded Nov 6, 2026	1-10	1 contacts →
	Exact match Recorded description not available. 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 “oil refinery maintenance contractors”. 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 21 of 54 oil refinery maintenance contractors based in the Netherlands

See the full list, filter by size, metro and specialty, and access 1,078 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Oil refinery maintenance contractors based in the Netherlands at a glance

As of Nov 6, 2026

29.4%Verified-email coverage

67.8Average contacts per company

11-50Median size (employees)

5.6%Largest-city concentration · Rotterdam

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

5,001-10,000

10001+

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 54 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 “oil refinery maintenance 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 1,078 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 “oil refinery maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil refinery maintenance contractors are there based in the Netherlands?

RevenueBase identified 54 company matches for oil refinery maintenance contractors 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?

Verwater Group B.V tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most oil refinery maintenance contractors?

Rotterdam leads with 3 company records, followed by Breda (2) and Terneuzen (2).

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 1,078 professional contacts with verified work emails tracked across these 54 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 54 oil refinery maintenance contractors based in the Netherlands. Start with a free account, no credit card.

Download this list →

Related lists

Oil refinery maintenance contractors by geography

Browse the directory

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.