Company lists · Data refreshed November 2026

Top 25 Water system installation contractors based in Belgium

Name: Water system installation contractors based in Belgium
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 87 companies tracked

RevenueBase identified 87 company matches for water system installation contractors associated with Belgium as of November 2026 and tracks 781 professional contacts across them, including 289 with verified work emails. Ghent is the largest hub.

This list covers company matches for water system installation contractors associated with Belgium, 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

87Companies

781Contacts tracked

289Verified emails

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The 25 largest water system installation contractors based in Belgium

Ranked by team size

Top 25 of 87 company matches for water system installation contractors based in Belgium, 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	Goessens	Exact match	Hannut, BelgiumHQ recorded Nov 6, 2026	51-200	36 contacts →
	Exact match “Goessens est une société spécialisée dans l'installation de systèmes de chauffage, de ventilation et de climatisation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Persyn	Exact match	Zwevegem, BelgiumHQ recorded Nov 6, 2026	51-200	33 contacts →
	Exact match “Persyn is een betrouwbaar, gezond en innovatief bouwbedrijf, gespecialiseerd in industriële en infrastructuurwerken, met waardering voor personeel en aandacht voor klantgerichte…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Exelio	Exact match	Sprimont, BelgiumHQ recorded Nov 6, 2026	11-50	32 contacts →
	Exact match “Notre métier En tant qu'ensemblier, nous fournissons des installations techniques 'clés en main'.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Quartier NV	Exact match	Kuurne, BelgiumHQ recorded Nov 6, 2026	51-200	26 contacts →
	Exact match “Quartier is een installatiebedrijf uit Zuid West-Vlaanderen actief in centrale verwarming, sanitair, ventilatie en koeling.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Deltha	Exact match	Diepenbeek, BelgiumHQ recorded Nov 6, 2026	11-50	24 contacts →
	Exact match “Deltha ontwerpt en bouwt uw gebouwinstallaties, verwarming, koeling, ventilatie, elektriciteit en sanitair.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Conduterra NV	Exact match	Antwerp, BelgiumHQ recorded Nov 6, 2026	11-50	21 contacts →
	Exact match “Conduterra.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Zaman Yves & C	Exact match	Ghent, BelgiumHQ recorded Nov 6, 2026	51-200	21 contacts →
	Exact match “Zaman is een professionele technisch dienstverlener voor installaties op de professionele en industriële markt.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	DUALL	Exact match	Berbroek, BelgiumHQ recorded Nov 6, 2026	11-50	17 contacts →
	Exact match “DUALL is een hvac & sanitair installateur uit Herk-de-Stad.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Climawest NV	Exact match	Zwevegem, BelgiumHQ recorded Nov 6, 2026	11-50	16 contacts →
	Exact match “Climawest NV is an installation company specialized in HVAC applications for businesses, offices, industry, retail, and private construction.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Desauw	Exact match	Zwevegem, BelgiumHQ recorded Nov 6, 2026	11-50	12 contacts →
	Exact match “Desauw NV werd opgericht in 1862 en is intussen de 4de generatie van een installatiebedrijf voor alle technieken: Elektriciteit - Beveiliging - HVAC & Sanitair - Systeemintegratie…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Astra Services	Exact match	Battice, BelgiumHQ recorded Nov 6, 2026	11-50	12 contacts →
	Exact match “Société employant 20 personnes et présente sur le marché du plastique depuis 1993, ASTRA Services SPRL (Assemblages, Soudure, Tuyauteries, Recherche-développement et Aménagements)…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Conforty	Exact match	Noville-les-bois, BelgiumHQ recorded Nov 6, 2026	11-50	10 contacts →
	Exact match “The CONFORTY company specializes in the construction of heating, ventilation and sanitary installations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Ateliers DE Construction DE Herstal SA	Exact match	Herstal, BelgiumHQ recorded Nov 6, 2026	11-50	10 contacts →
	Exact match “Ateliers de Construction de Herstal SA is a mechanical construction company based out of En Hayeneux 148, HERSTAL, Belgium.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Innotech BV	Exact match	Wielsbeke, BelgiumHQ recorded Nov 6, 2026	11-50	9 contacts →
	Exact match “De firma Innotech levert op basis van jarenlange kennis en ervaring, kwaliteitsvol en op maat gemaakt werk, voor een democratische prijs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Develtere NV	Exact match	Roeselare, BelgiumHQ recorded Nov 6, 2026	11-50	9 contacts →
	Exact match “Een halve eeuw staat Develtere gekend als een gespecialiseerd technisch installatiebedrijf.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Belgorex SA	Exact match	Ivoz-ramet, BelgiumHQ recorded Nov 6, 2026	11-50	8 contacts →
	Exact match “Construction métallique Maintenance industrielle Tout types de tuyauteries” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Nature Solutions BE	Exact match	Duffel, BelgiumHQ recorded Nov 6, 2026	1-10	7 contacts →
	Exact match “Nature Solutions begeleidt ondernemingen die het volledige waterbeleid van hun bedrijfsgebouwen en -terreinen willen optimaliseren.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Morliterm	Exact match	Veurne, BelgiumHQ recorded Nov 6, 2026	11-50	7 contacts →
	Exact match “MORLITERM is an HVAC & Sanitary installation company based out of 3 Slableedstraat, Veurne, Belgium.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Elto Group	Exact match	Ghent, BelgiumHQ recorded Nov 6, 2026	1-10	7 contacts →
	Exact match “Elto Group is uw betrouwbare partner voor het leveren en installeren van complexe en veeleisende aan- en afvoer leidingsystemen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Aannemingen Janssen NV	Exact match	Geel, BelgiumHQ recorded Nov 6, 2026	51-200	7 contacts →
	Exact match “Aannemingen Janssen nv heeft, met zijn meer dan 80 jarige ervaring, zich gespecialiseerd in residentiële bouw, bouwen aan de zorg, utiliteitsbouw, industriebouw, en in de…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Alitech	Exact match	Denderhoutem, BelgiumHQ recorded Nov 6, 2026	11-50	7 contacts →
	Exact match “Alitech is een installatiebedrijf met specialisatie in HVAC en sanitaire technieken.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	HD Partners	Exact match	Olen, BelgiumHQ recorded Nov 6, 2026	11-50	7 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Delta Thermic	Exact match	Herstal, BelgiumHQ recorded Nov 6, 2026	11-50	7 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Stefdec	Exact match	Beveren, BelgiumHQ recorded Nov 6, 2026	1-10	7 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Ventfield Industries S.A	Exact match	Battice, BelgiumHQ recorded Nov 6, 2026	11-50	7 contacts →
	Exact match “Ventfield industries has more than 30 years of experience in- HVAC - Industrial piping - Electricité industrielle - Energy solutions - Weldings From design to stand-alone…” 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 “water system installation 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 25 of 87 water system installation contractors based in Belgium

See the full list, filter by size, metro and specialty, and access 289 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Water system installation contractors based in Belgium at a glance

As of Nov 6, 2026

37.0%Verified-email coverage

9.0Average contacts per company

11-50Median size (employees)

6.9%Largest-city concentration · Ghent

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured worldwide rather than for Belgium, so it is reported there. Company counts and contact totals on this page are exact for Belgium, over 87 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 Belgium whose business descriptions match “water system installation 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 289 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 system installation contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many water system installation contractors are there based in Belgium?

RevenueBase identified 87 company matches for water system installation contractors associated with Belgium 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?

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

Which city has the most water system installation contractors?

Ghent leads with 6 company records, followed by Antwerp (3) and Zwevegem (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 289 professional contacts with verified work emails tracked across these 87 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.