Ranking · Hainaut · NACE 43

Specialised construction activities: the largest companies in Hainaut

As of 12 Nov 2026, 3,558 companies in Specialised construction activities (NACE 43) in Hainaut publish total assets in recent accounts (financial years 2023 to 2026). The top 10 account for €647.8m, out of €2.23bn for all of them; median total assets are 153,386 €. Agence Intercommunale de Developpement Economique des Arrondissements de Tournai, ATH et des Communes Avoisinantes leads with €235.8m (financial year 2025).

Top 50 · Specialised construction activities · Hainaut

Ranked by total assets in the latest filed accounts. This is a size criterion, not an assessment.

#Company Total assetsRevenue EquityFTEYear
1 Agence Intercommunale de Developpement Economique des Arrondissements de Tournai, ATH et des Communes Avoisinantes 7500 Tournai €235.8m €12.5m €149.6m 78.6 2025
2 Coselog 7522 Tournai €137.1m €30.2m €30.0m 186.0 2025
3 Dufour Transports et Manutentions 7522 Tournai €77.1m €42.8m €25.1m 106.4 2025
4 VMA Sud 6040 Charleroi €54.9m €90.3m €11.1m 330.4 2025
5 AD Megatec 7780 Comines-Warneton €30.8m €37.9m €23.1m 85.5 2024
6 Jacops Sud 6041 Charleroi €26.7m €58.7m €7.70m 268.9 2025
7 Megamax 7181 Seneffe €25.2m €10.9m €9.57m 62.9 2025
8 Nasta Conseil 6001 Charleroi €22.3m — €15.0m — 2025
9 Entreprises de Montages en General Jean Boutique 7331 Saint-Ghislain €19.7m €19.5m €3.87m 117.7 2025
10 Monnaie 7110 La Louvière €18.2m €20.5m €5.52m 185.7 2025
11 Gesimpro 7134 Binche €17.1m €3.12m €5.30m — 2025
12 Group VDRT 6210 Les Bons Villers €16.1m 545,870 € €7.38m — 2025
13 Thersa 7700 Mouscron €15.9m €40.0m €6.34m 132.0 2025
14 Les Erables 7522 Tournai €15.8m €4.63m €12.0m 180.1 2025
15 Lexar Technics 7170 Manage €15.8m €14.9m €7.06m 48.9 2025
16 Luminus Cities 6220 Fleurus €15.1m €6.55m −€22.7m 38.8 2025
17 Fendoors 6220 Fleurus €15.0m — €7.50m 38.1 2025
18 Etablissements Jordan 6240 Farciennes €12.4m €21.7m €2.79m 102.2 2025
19 Entreprises Lepage frères 6040 Charleroi €11.5m €25.8m €1.82m 54.3 2024
20 DGC 7522 Tournai €10.8m €13.5m €2.18m 29.6 2025
21 DataProjeX 7850 Enghien €10.5m €39.9m €1.05m 6.0 2025
22 AL Tecno 7110 La Louvière €9.27m — €6.71m 15.4 2025
23 Frabel Doors 7370 Dour €8.55m €8.48m €4.64m 20.2 2025
24 La Temperature Ideale 6040 Charleroi €8.47m €18.3m €1.07m 54.3 2025
25 B2B Solar Energy 7120 Estinnes €8.21m — €1.02m — 2025
26 JDC Airports 7321 Bernissart €8.13m — €4.14m — 2025
27 Gobert - Immo 7061 Soignies €7.60m 871,955 € €4.05m — 2025
28 Technique Aspiration Belge 7700 Mouscron €7.26m — €2.86m 14.5 2025
29 De Graeve Works 7191 Écaussinnes €7.12m €15.9m €2.50m 14.3 2025
30 Saycom 7170 Manage €6.93m — €1.66m 36.0 2025
31 Troiani & Fils 6200 Châtelet €6.90m €11.3m €3.33m 27.0 2025
32 ALL Door Systems & Services 7822 Ath €6.89m €12.2m €4.13m 42.6 2025
33 Immo-Troiani 6221 Fleurus €6.86m — €4.15m 18.4 2025
34 Etablissements Carsana 7711 Mouscron €6.81m — €6.75m 2.4 2025
35 DRC 7760 Celles (lez-Tournai) €6.81m — €6.68m — 2025
36 Ondernemingen Bulcke 7780 Comines-Warneton €6.60m €16.4m €3.78m 12.7 2025
37 Fire Concept 7331 Saint-Ghislain €6.22m €11.2m €1.56m 24.6 2025
38 Isotrim 6220 Fleurus €6.19m — €1.76m 10.8 2025
39 International Fire Control 7503 Tournai €6.14m — €1.10m 61.3 2025
40 Servipools 6220 Fleurus €6.08m — €4.30m 5.2 2025
41 Blue Site 6240 Farciennes €6.01m — €1.26m — 2025
42 Enertec 7971 Beloeil €5.70m — €1.94m 43.7 2025
43 Sameole Belgique 6220 Fleurus €5.68m — −915,382 € — 2025
44 Electromontage 7330 Saint-Ghislain €5.56m — 735,030 € 43.4 2025
45 Diamonte 7021 Mons €5.54m — €4.41m 26.5 2025
46 Sanideal 6040 Charleroi €5.53m — €1.58m — 2025
47 VIV Engineering 7700 Mouscron €5.50m — 788,193 € — 2024
48 Publisign VP 7860 Lessines €5.20m — €1.12m 16.6 2025
49 Alphascaff 6220 Fleurus €4.80m — 499,996 € 20.9 2025
50 Icomet DV 7600 Péruwelz €4.73m — €3.04m 21.7 2025

Ranking based on each company's own annual accounts (statutory, not consolidated): a subsidiary and its parent appear separately, and the ranking differs from lists based on consolidated group accounts.

“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.

Specialised construction activities across Belgium → All sectors · Hainaut →

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Frequently asked questions

Which is the largest company in Specialised construction activities in Hainaut?

By total assets, it is Agence Intercommunale de Developpement Economique des Arrondissements de Tournai, ATH et des Communes Avoisinantes (€235.8m, financial year 2025).

How many companies in Specialised construction activities in Hainaut are ranked?

3,558 out of 3,720 active companies in the sector with their registered office in the area: those whose latest accounts are less than 3 years old.

Why does this ranking differ from other lists?

It uses each company's annual accounts as filed with the National Bank, not consolidated group accounts. A holding, a subsidiary or a purchasing entity can therefore appear separately. Only companies whose latest accounts are less than 3 years old are ranked.

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Active companies (legal entities) that have filed at least one set of annual accounts, based on the Crossroads Bank for Enterprises and the National Bank of Belgium. The sector is the main activity in the register; the municipality is that of the registered office. Data updated on 12 Nov 2026.