Company lists · Data refreshed September 2026

Top 25 Structural welding companies based in Belgium

Name: Structural welding companies based in Belgium
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 220 companies tracked

RevenueBase identified 220 structural welding companies headquartered in Belgium as of September 2026 and tracks 1,284 professional contacts across them, including 445 with verified work emails. Antwerpen is the largest hub.

This list covers structural welding companies headquartered in Belgium, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 22, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 22, 2026 86% judged on-target in blind review

220Companies

1,284Contacts tracked

445Verified emails

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The 25 largest structural welding companies based in Belgium

Ranked by team size

Top 25 of 220 structural welding companies based in Belgium, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to structural welding companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Vlassenroot Group	Partial evidence	Be - 1702 Groot-bijgaarden, BelgiumHQ checked Sep 22, 2026	201-500	91 contacts →
	Partial evidence “We are a family‑owned leader in steel structure manufacturing, operating modern production sites across Europe.” Source: RevenueBase Database · checked Sep 22, 2026
2	Mahieu Construct	Indirect evidence	Komen, BelgiumHQ checked Sep 22, 2026	51-200	67 contacts →
	Indirect evidence “Reeds meer dan 30 jaar voorziet MAHIEU-CONSTRUCT bedrijven van een optimale, aangepaste bedrijfsruimte.” Source: RevenueBase Database · checked Sep 22, 2026
3	DE Meyer NV	Indirect evidence	Temse, BelgiumHQ checked Sep 22, 2026	51-200	57 contacts →
	Indirect evidence “Three generations.” Source: RevenueBase Database · checked Sep 22, 2026
4	Vanloot	Indirect evidence	Vlamertinge, BelgiumHQ checked Sep 22, 2026	51-200	48 contacts →
	Indirect evidence “Als complete prefabbouwer (metaal, hout, beton) legt Vanloot zich toe op de constructie van industriële, agrarische en kmo-gebouwen, inclusief betonwerken.” Source: RevenueBase Database · checked Sep 22, 2026
5	Aelterman BV	Indirect evidence	Gent, BelgiumHQ checked Sep 22, 2026	51-200	48 contacts →
	Indirect evidence “As a strong player within the European steel construction industry, Aelterman amazes with its innovative and premium quality projects time and again.” Source: RevenueBase Database · checked Sep 22, 2026
6	CSM Steelstructures	Indirect evidence	Hamont-achel, BelgiumHQ checked Sep 22, 2026	51-200	33 contacts →
	Indirect evidence “CSM nv, met vestigingen in Achel en Hamont, is sinds de oprichting in 1964 uitgegroeid tot een toonaangevend bedrijf in de engineering, fabricage, conservering en montage van…” Source: RevenueBase Database · checked Sep 22, 2026
7	Indinox NV	Indirect evidence	Lokeren, BelgiumHQ checked Sep 22, 2026	11-50	30 contacts →
	Indirect evidence “Met de prefabricatie, constructie, montage en installatie van pijpleidingen heeft Indinox een stevige positie verworven op de markt.” Source: RevenueBase Database · checked Sep 22, 2026
8	Staalbeton	Indirect evidence	Rijkevorsel, BelgiumHQ checked Sep 22, 2026	51-200	30 contacts →
	Indirect evidence “Staalbeton ‘een’ hoogwaardige wapeningscentrale en metaalschrijnwerkerij?” Source: RevenueBase Database · checked Sep 22, 2026
9	VLM	Indirect evidence	Lebbeke, BelgiumHQ checked Sep 22, 2026	11-50	29 contacts →
	Indirect evidence “Vermeir Lansen Montage is gespecialiseerd in:Algemene montagewerken Mechanisch onderhoud Piping Riggerwerken Industriële verhuizingen Metaal- en inoxconstructies In 2005…” Source: RevenueBase Database · checked Sep 22, 2026
10	Ortmans	Indirect evidence	Thimister-clermont, BelgiumHQ checked Sep 22, 2026	11-50	26 contacts →
	Indirect evidence “Actifs dans la fabrication métallique depuis plus de deux siècles, nous nous sommes spécialisés dans les constructions soudées inox, intégrant nouveaux alliages et métaux nobles.” Source: RevenueBase Database · checked Sep 22, 2026
11	Almex Metaal	Indirect evidence	Hoogstraten, BelgiumHQ checked Sep 22, 2026	11-50	26 contacts →
	Indirect evidence “almex metaal werd in 2006 opgericht en is een ambitieus bedrijf in volle groei.” Source: RevenueBase Database · checked Sep 22, 2026
12	C-Metal	Indirect evidence	Temse, BelgiumHQ checked Sep 22, 2026	51-200	20 contacts →
	Indirect evidence “C-metal is the internal production facility within the Cordeel Group with expertise in the manufacture of steel constructions in hot-welded steel.” Source: RevenueBase Database · checked Sep 22, 2026
13	Breetec International	Indirect evidence	As, BelgiumHQ checked Sep 22, 2026	11-50	19 contacts →
	Indirect evidence “Breetec - Masters of Mechanics Breetec verzorgt al uw projecten in metaal, RVS en aluminium.” Source: RevenueBase Database · checked Sep 22, 2026
14	Kestens Montage NV	Indirect evidence	Tienen, BelgiumHQ checked Sep 22, 2026	11-50	18 contacts →
	Indirect evidence “Kestens Montage is een dynamisch bedrijf met een vijftigtal geëngageerde en gemotiveerde medewerkers, gespecialiseerd in verschillende disciplines.” Source: RevenueBase Database · checked Sep 22, 2026
15	JECO	Indirect evidence	Bree, BelgiumHQ checked Sep 22, 2026	11-50	18 contacts →
	Indirect evidence “Industriële gebouwen, industriële renovaties, staalconstracties, dak- en gevelbekleding.” Source: RevenueBase Database · checked Sep 22, 2026
16	Real Corporation	Indirect evidence	St-gillis-waas, BelgiumHQ checked Sep 22, 2026	51-200	16 contacts →
	Indirect evidence “Real Corporation - staalconstructies Als aannemer van metaalconstructies en staalbouw, met een centrale ligging tussen de havengebieden van Antwerpen en Gent, zijn onze…” Source: RevenueBase Database · checked Sep 22, 2026
17	AMC NV	Indirect evidence	Eksaarde, BelgiumHQ checked Sep 22, 2026	51-200	14 contacts →
	Indirect evidence “The large and complex steel constructions in production companies, are engineered, produced and erected by AMC.” Source: RevenueBase Database · checked Sep 22, 2026
18	AKP NV	Indirect evidence	Oudsbergen, BelgiumHQ checked Sep 22, 2026	11-50	12 contacts →
	Indirect evidence “AKP verzekert u van een totaalservice voor de realisatie, renovatie of uitbreiding van industriële gebouwen, stallen, winkelpanden, garages,… Onze grote kracht schuilt in onze…” Source: RevenueBase Database · checked Sep 22, 2026
19	DWK	Partial evidence	Roeselare, BelgiumHQ checked Sep 22, 2026	1-10	12 contacts →
	Partial evidence “DWK Welding Solutions.” Source: RevenueBase Database · checked Sep 22, 2026
20	Bvba Bart Vuylsteke	Indirect evidence	Sint Eloois Winkel, BelgiumHQ checked Sep 22, 2026	11-50	12 contacts →
	Indirect evidence “Ook metaalconstructies in staal, inox en aluminium behoren tot onze core business.” Source: RevenueBase Database · checked Sep 22, 2026
21	Ingenieursbureau Stendess	Indirect evidence	Lievegem, BelgiumHQ checked Sep 22, 2026	11-50	11 contacts →
	Indirect evidence “Worldwide references and awards of our Steel Engineering and Design Services demonstrate the multidisciplinary know-how of our engineers and designers in the market of bridges…” Source: RevenueBase Database · checked Sep 22, 2026
22	TMI Techno Métal Industrie	Indirect evidence	Seilles, BelgiumHQ checked Sep 22, 2026	51-200	10 contacts →
	Indirect evidence “TMI (Techno Métal Industrie) a développé une gamme d’activités de construction métallique dans quatre domaines destinés principalement aux grands marchés de travaux dans le génie…” Source: RevenueBase Database · checked Sep 22, 2026
23	Almermetaal NV	Indirect evidence	Evergem, BelgiumHQ checked Sep 22, 2026	11-50	10 contacts →
	Indirect evidence “Almermetaal NV heeft als staalconstructiebedrijf meer dan 30 jaar ervaring met projectbeheer, een eigen studie- en tekenbureau, productie, corrosiebescherming & transport, montage…” Source: RevenueBase Database · checked Sep 22, 2026
24	Metaalwerk Hancke	Indirect evidence	Lo-reninge, BelgiumHQ checked Sep 22, 2026	11-50	10 contacts →
	Indirect evidence “Sinds 1963 is metaalwerk Hancke specialist voor al uw staal(bouw) uitdagingen.” Source: RevenueBase Database · checked Sep 22, 2026
25	Tilcon Metaalconstructies	Indirect evidence	Kaaskerke, BelgiumHQ checked Sep 22, 2026	11-50	10 contacts →
	Indirect evidence “Tilcon is een gespecialiseerd staalconstructiebedrijf met een professioneel team met jarenlange ervaring.” Source: RevenueBase Database · checked Sep 22, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: structural welding companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names structural welding companies.
Partial evidence: Its own public description names part of structural welding companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name structural welding companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 220 structural welding companies based in Belgium

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Structural welding companies based in Belgium at a glance

As of Sep 22, 2026

34.7%Verified-email coverage

5.8Average contacts per company

1-10Median size (employees)

2.3%Largest-city concentration · Antwerpen

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

119

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 220 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among structural welding companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Belgium whose own description of what they do matches “structural welding companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names structural welding companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among structural welding companies, and records with no verified work email. Companies headquartered outside Belgium are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 445 across the full list. 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 22, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names structural welding companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many structural welding companies are there based in Belgium?

RevenueBase identified 220 structural welding companies headquartered in Belgium as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Vlassenroot Group, headquartered in Groot-Bijgaarden, tops this list with the largest team on record.

Which city has the most structural welding companies?

Antwerpen leads with 5 headquartered companies, followed by Assenede (4) and Gent (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 445 verified decision-maker contacts tracked across these 220 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 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 Smart Search, 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.