Ranking · Luxembourg province · NACE 43

Specialised construction activities: the largest companies in Luxembourg province (Belgium)

As of 12 Nov 2026, 854 companies in Specialised construction activities (NACE 43) in Luxembourg province (Belgium) publish total assets in recent accounts (financial years 2023 to 2026). The top 10 account for €184.9m, out of €581.2m for all of them; median total assets are 225,041 €. Collignon ENG. leads with €51.8m (financial year 2025).

Top 50 · Specialised construction activities · Luxembourg province

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

#Company Total assetsRevenue EquityFTEYear
1 Collignon ENG. 6997 Érezée €51.8m €87.9m €8.28m 355.9 2025
2 Pierret Project 6890 Libin €29.4m €53.5m €13.2m 89.8 2025
3 Green Energy 4 Seasons 6900 Marche-en-Famenne €27.0m €6.50m €8.48m 38.9 2026
4 THEIS Marcel 6662 Houffalize €18.5m — €5.08m 28.1 2025
5 Etablissements Henneaux frères, Entreprises Générales d'Electricité 6870 Saint-Hubert €11.2m €12.3m €8.55m 53.2 2025
6 Fexim 6997 Érezée €10.5m €6.64m €1.95m 29.0 2025
7 Edga Invest 6840 Neufchâteau €10.5m — −€1.06m — 2025
8 Ets Gofflot Janny 6840 Neufchâteau €8.97m — €5.53m 18.6 2025
9 Pirot 6890 Libin €8.55m — €2.82m 39.8 2025
10 Toitures et Ossatures Bois China 6660 Houffalize €8.54m — €7.00m 16.6 2025
11 Lamelec 6941 Durbuy €8.35m — €6.06m 48.0 2025
12 Menuiserie SAC 6600 Bastogne €6.68m €3.15m €1.64m 14.4 2025
13 ENTREPRISES HOUTHOOFDT- COLLETTE A. et FILS 6880 Bertrix €6.19m — €2.57m 33.0 2025
14 Arnould - Manutention 6800 Libramont-Chevigny €5.23m — €1.27m 16.2 2025
15 Explotech 6960 Manhay €4.17m — €1.93m 23.0 2025
16 GREGOIRE Vincent 6673 Gouvy €4.10m — €1.24m 17.1 2025
17 Sudtrafor 6870 Saint-Hubert €3.79m — €2.68m 17.8 2025
18 Arnould Etienne 6971 Tenneville €3.78m — €1.50m 12.1 2025
19 POLYGONE Solutions Modulaires 6600 Bastogne €3.77m — −579,730 € 1.7 2025
20 Goosse Isolation 6600 Bastogne €3.69m — €1.03m 8.7 2025
21 Goosse Terrassement 6890 Libin €3.42m — 504,064 € 10.8 2025
22 Les Vérandas 4 Saisons 6900 Marche-en-Famenne €3.14m — €2.40m 25.8 2025
23 Entreprise et toiture Lesuisse 6980 La Roche-en-Ardenne €2.96m — €2.39m 11.7 2025
24 Louppe 6810 Chiny €2.75m — 593,142 € 19.7 2025
25 GE'Olive 6921 Wellin €2.58m — €1.66m — 2025
26 Cobat Constructions 6840 Neufchâteau €2.49m — 324,085 € 2.8 2025
27 E.G.T. Wagner 6723 Habay €2.39m — 292,585 € 17.1 2025
28 Hennaux Terrassement 6800 Libramont-Chevigny €2.36m — −55,709 € 14.0 2023
29 CJL Services 6880 Bertrix €2.26m — 722,876 € 2.0 2025
30 Noveway Energy 6900 Marche-en-Famenne €2.25m — 770,081 € — 2025
31 Entreprises Pierre BREDA et Fils 6760 Virton €2.22m — €1.53m 27.8 2025
32 AR.Energie 6760 Virton €2.20m — 88,837 € 2.4 2023
33 Christian Martin 6600 Bastogne €2.19m — €1.21m 10.3 2025
34 Chauffage Frederick 6900 Marche-en-Famenne €2.18m — €1.15m — 2025
35 Entreprises Schmitz 6672 Gouvy €2.12m — €1.21m 8.3 2025
36 Menuiserie Pinson 6870 Saint-Hubert €2.11m 758,789 € 150,093 € 4.5 2025
37 Lecoq & Lecoq 6700 Arlon €2.11m — €1.04m 6.5 2024
38 Lesage Groupe 6662 Houffalize €2.10m — 456,408 € 2.0 2025
39 Max BOUTARD & Fils 6990 Hotton €2.03m — 912,581 € 8.0 2026
40 Ninane 6941 Durbuy €2.03m — 838,395 € 4.0 2025
41 Etablissements Petit Guy et Paul 6997 Érezée €2.01m — €1.72m — 2025
42 Badel 6600 Bastogne €1.97m — €1.08m 3.8 2025
43 Ardena 6672 Gouvy €1.95m — 917,158 € 5.3 2025
44 SCIUS Jacques 6900 Marche-en-Famenne €1.94m — 623,985 € 17.4 2026
45 Ideal Volets 6890 Libin €1.93m — €1.22m 19.8 2025
46 Stilmant 6600 Bastogne €1.89m — €1.26m 8.0 2025
47 Jean-Jacques Durand S.A. 6761 Virton €1.87m €2.23m 985,868 € 9.0 2025
48 VNJ Toitures et Menuiserie 6982 La Roche-en-Ardenne €1.85m — 644,981 € 16.1 2024
49 Durdu DPF 6940 Durbuy €1.84m — €1.76m 1.0 2025
50 Seetech 6980 La Roche-en-Ardenne €1.84m — 595,885 € 6.6 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 · Luxembourg province →

Other sectors · Luxembourg province

Municipalities with the most companies in the sector · Luxembourg province

Frequently asked questions

Which is the largest company in Specialised construction activities in Luxembourg province (Belgium)?

By total assets, it is Collignon ENG. (€51.8m, financial year 2025).

How many companies in Specialised construction activities in Luxembourg province (Belgium) are ranked?

854 out of 874 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.

Idonis

Analyse companies · Luxembourg province

Filter these companies by size, soundness and trend, follow them and get an alert when their accounts or publications change.

Open the full file →
Free account in 30 seconds, by email. No bank card.

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.