Ranking · Namur province · NACE 43
Specialised construction activities: the largest companies in Namur province
As of 12 Nov 2026, 1,906 companies in Specialised construction activities (NACE 43) in Namur province publish total assets in recent accounts (financial years 2023 to 2026). The top 10 account for €216.6m, out of €989.5m for all of them; median total assets are 173,790 €. Menatam leads with €80.9m (financial year 2025).
Top 50 · Specialised construction activities · Namur province
Ranked by total assets in the latest filed accounts. This is a size criterion, not an assessment.
| # | Company | Total assets | Revenue | Equity | FTE | Year |
|---|---|---|---|---|---|---|
| 1 | Menatam 5020 Namur | €80.9m | €132.1m | €27.0m | 299.9 | 2025 |
| 2 | Genetec 5100 Namur | €32.7m | €27.9m | €11.3m | 107.0 | 2025 |
| 3 | Casagres 5580 Rochefort | €18.1m | — | €18.0m | — | 2025 |
| 4 | Etablissements Hublet 5190 Jemeppe-sur-Sambre | €16.5m | €13.5m | €2.88m | 24.6 | 2025 |
| 5 | Benelmat 5030 Gembloux | €15.6m | €12.2m | €5.63m | 40.5 | 2025 |
| 6 | Etablissements Collin - Lucy 5555 Bièvre | €13.3m | €16.4m | €8.50m | 16.2 | 2025 |
| 7 | LuWa Maintenance 5100 Namur | €12.9m | €7.56m | 670,843 € | 6.0 | 2025 |
| 8 | Compagnie Internationale de Negoce 5020 Namur | €9.32m | — | €8.14m | — | 2025 |
| 9 | L. Dumay - Canard et Fils 5630 Cerfontaine | €8.79m | €13.1m | €3.87m | 30.1 | 2025 |
| 10 | Wilmet 5020 Namur | €8.43m | €16.8m | €3.22m | 12.4 | 2025 |
| 11 | Societe de Construction et d'Isolation Dinantaise 5503 Dinant | €7.56m | €12.9m | €3.74m | 28.8 | 2025 |
| 12 | Global Immo Services 5060 Sambreville | €7.16m | — | 912,607 € | 2.1 | 2025 |
| 13 | Batrageci 5360 Hamois | €6.73m | — | €1.71m | 24.1 | 2025 |
| 14 | Ateliers de Constructions Tubulaires 5640 Mettet | €6.38m | — | €3.60m | 11.5 | 2025 |
| 15 | Chassis Norma 5020 Namur | €5.53m | €7.20m | €2.23m | 45.6 | 2025 |
| 16 | Decubel 5660 Couvin | €5.49m | — | 962,813 € | 33.0 | 2025 |
| 17 | Heger Services 5300 Andenne | €5.16m | €5.39m | 664,383 € | 32.6 | 2025 |
| 18 | Belga Solar 5377 Somme-Leuze | €5.09m | — | €1.85m | 20.8 | 2024 |
| 19 | Metalscaff 5002 Namur | €4.77m | — | €1.25m | — | 2025 |
| 20 | Menuiserie Pierre Alexandre 5380 Fernelmont | €4.63m | — | €2.57m | 27.5 | 2025 |
| 21 | Cosolar 5377 Somme-Leuze | €4.60m | — | €3.82m | — | 2025 |
| 22 | Elomax 5660 Couvin | €4.52m | — | €1.15m | 4.1 | 2025 |
| 23 | Decoration Vincent 5590 Ciney | €4.49m | — | €1.76m | 9.6 | 2024 |
| 24 | Prefabois 5660 Couvin | €4.48m | — | 455,719 € | — | 2024 |
| 25 | Apilec 5150 Floreffe | €4.47m | — | €2.75m | 18.6 | 2025 |
| 26 | XL Toitures 5330 Assesse | €4.46m | — | 479,835 € | 15.8 | 2025 |
| 27 | Grenson & Fils 5300 Andenne | €4.41m | — | €2.57m | 23.1 | 2025 |
| 28 | Hervac 5377 Somme-Leuze | €4.28m | — | 962,417 € | 22.0 | 2025 |
| 29 | Argona – Aditoit 5380 Fernelmont | €4.21m | — | €3.18m | 20.1 | 2025 |
| 30 | Monfort Terrassement 5340 Gesves | €3.97m | — | €3.28m | 1.0 | 2025 |
| 31 | Dossin 5100 Namur | €3.89m | — | 60,793 € | 24.7 | 2024 |
| 32 | Iseo Projection 5380 Fernelmont | €3.65m | — | 684,231 € | 9.1 | 2025 |
| 33 | AQC 5060 Sambreville | €3.64m | — | 870,859 € | 28.6 | 2025 |
| 34 | Rc RENO 5590 Ciney | €3.60m | — | €2.12m | 48.0 | 2025 |
| 35 | Chauffage Mathieu Bouchat 5030 Gembloux | €3.59m | — | 838,499 € | 11.6 | 2025 |
| 36 | Novobel 5000 Namur | €3.53m | — | 984,073 € | 4.2 | 2025 |
| 37 | Conforty 5380 Fernelmont | €3.49m | — | €2.52m | 32.7 | 2025 |
| 38 | Ideo-Cuisines 5580 Rochefort | €3.48m | — | 389,622 € | 11.6 | 2025 |
| 39 | Société Marlier Construction Toiture 5020 Namur | €3.46m | — | 880,137 € | 3.0 | 2025 |
| 40 | Clotures Leblanc 5640 Mettet | €3.18m | — | €2.92m | 13.4 | 2025 |
| 41 | CHA - VER 5100 Namur | €3.12m | — | €1.33m | 15.1 | 2025 |
| 42 | Andre Verstraete 5150 Floreffe | €3.10m | — | 628,060 € | 3.0 | 2025 |
| 43 | Close Maintenance 5020 Namur | €3.09m | €4.41m | €1.18m | 31.3 | 2025 |
| 44 | Ecoforage 5377 Somme-Leuze | €3.05m | — | 950,649 € | 15.7 | 2025 |
| 45 | Signaroute 5300 Andenne | €3.03m | — | 353,684 € | 43.0 | 2025 |
| 46 | JD Construct & Frere 5377 Somme-Leuze | €2.89m | — | 205,362 € | 10.8 | 2025 |
| 47 | TD Pierre Gilloteaux 5580 Rochefort | €2.88m | — | 975,617 € | 8.0 | 2025 |
| 48 | Immobilière Durant 5630 Cerfontaine | €2.87m | — | 673,718 € | 3.0 | 2025 |
| 49 | Vallée du Treko 5070 Fosses-la-Ville | €2.67m | — | 687,763 € | 5.0 | 2026 |
| 50 | Laboratoire Mosan de Controle de Recherches et d'Expériences 5150 Floreffe | €2.63m | €2.75m | €1.48m | 12.4 | 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 · Namur province →
Other sectors · Namur province
- 01 Crop and animal production, hunting and related service activities516
- 02 Forestry and logging140
- 08 Other mining and quarrying23
- 10 Manufacture of food products247
- 11 Manufacture of beverages39
- 13 Manufacture of textiles13
- 14 Manufacture of wearing apparel11
- 16 Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials83
- 18 Printing and reproduction of recorded media71
- 20 Manufacture of chemicals and chemical products31
- 21 Manufacture of basic pharmaceutical products and pharmaceutical preparations11
- 22 Manufacture of rubber and plastic products23
- 23 Manufacture of other non-metallic mineral products61
- 24 Manufacture of basic metals11
- 25 Manufacture of fabricated metal products, except machinery and equipment181
- 26 Manufacture of computer, electronic and optical products23
- 27 Manufacture of electrical equipment30
- 28 Manufacture of machinery and equipment n.e.c.52
- 29 Manufacture of motor vehicles, trailers and semi-trailers25
- 30 Manufacture of other transport equipment10
- 31 Manufacture of furniture34
- 32 Other manufacturing63
- 33 Repair, maintenance and installation of machinery and equipment101
- 35 Electricity, gas, steam and air conditioning supply38
- 37 Sewerage10
- 38 Waste collection, recovery and disposal activities34
- 41 Construction of residential and non-residential buildings599
- 42 Civil engineering72
- 46 Wholesale trade1,029
- 47 Retail trade1,869
- 49 Land transport and transport via pipelines205
- 52 Warehousing, storage and support activities for transportation68
- 55 Accommodation232
- 56 Food and beverage service activities973
- 58 Publishing activities48
- 59 Motion picture, video and television programme production, sound recording and music publishing activities78
- 60 Programming, broadcasting, news agency and other content distribution activities15
- 61 Telecommunication17
- 62 Computer programming, consultancy and related activities780
- 63 Computing infrastructure, data processing, hosting and other information service activities74
- 64 Financial service activities, except insurance and pension funding431
- 65 Insurance, reinsurance and pension funding, except compulsory social security19
- 66 Activities auxiliary to financial services and insurance activities312
- 68 Real estate activities1,734
- 69 Legal and accounting activities740
- 70 Activities of head offices and management consultancy1,491
- 71 Architectural and engineering activities; technical testing and analysis545
- 72 Scientific research and development54
- 73 Activities of advertising, market research and public relations285
- 74 Other professional, scientific and technical activities188
- 75 Veterinary activities131
- 77 Rental and leasing activities114
- 78 Employment activities39
- 79 Travel agency, tour operator and other reservation service and related activities31
- 80 Investigation and security activities10
- 81 Services to buildings and landscape activities277
- 82 Office administrative, office support and other business support activities338
- 84 Public administration and defence; compulsory social security11
- 85 Education225
- 86 Human health activities2,092
- 87 Residential care activities105
- 88 Social work activities without accommodation84
- 90 Arts creation and performing arts activities100
- 91 Libraries, archives, museums and other cultural activities20
- 93 Sports activities and amusement and recreation activities153
- 94 Activities of membership organisations90
- 95 Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles213
- 96 Personal service activities255
Municipalities with the most companies in the sector · Namur province
- 5020 Namur (Champion, Daussoulx, Flawinne, …)118
- 5100 Namur (Dave, Jambes, Naninne, …)108
- 5060 Sambreville (Arsimont, Auvelais, Falisolle, …)84
- 5190 Jemeppe-sur-Sambre (Balâtre, Ham-Sur-Sambre, Mornimont, …)84
- 5030 Gembloux (Beuzet, Ernage, Grand-Manil, …)79
- 5300 Andenne (Bonneville, Coutisse, Landenne, …)79
- 5590 Ciney (Achêne, Braibant, Chevetogne, …)79
- 5310 Éghezée (Aische-En-Refail, Bolinne, Boneffe, …)68
- 5170 Profondeville (Arbre, Bois-De-Villers, Lesve, …)57
- 5070 Fosses-la-Ville (Aisemont, Le Roux, Sart-Eustache, …)54
- 5640 Mettet (Biesme, Biesmerée, Graux, …)54
- 5380 Fernelmont (Bierwart, Cortil-Wodon, Forville, …)52
Frequently asked questions
Which is the largest company in Specialised construction activities in Namur province?
By total assets, it is Menatam (€80.9m, financial year 2025).
How many companies in Specialised construction activities in Namur province are ranked?
1,906 out of 1,978 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.