Ranking · Namur province · NACE 42
Civil engineering: the largest companies in Namur province
As of 12 Nov 2026, 72 companies in Civil engineering (NACE 42) in Namur province publish total assets in recent accounts (financial years 2023 to 2025). The top 10 account for €137.1m, out of €180.0m for all of them; median total assets are 383,726 €. ENTREPRISES Jean NONET et FILS leads with €35.2m (financial year 2025).
Top 50 · Civil engineering · 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 | ENTREPRISES Jean NONET et FILS 5190 Jemeppe-sur-Sambre | €35.2m | €65.9m | €6.04m | 179.7 | 2025 |
| 2 | LCL Wallonia One 5032 Gembloux | €21.5m | €5.59m | €14.9m | 10.2 | 2025 |
| 3 | Eurovillage 5100 Namur | €13.5m | — | −€1.86m | — | 2025 |
| 4 | Nutons 5030 Gembloux | €13.2m | €33.5m | €6.23m | 86.8 | 2025 |
| 5 | Environnement - Ecologie - Curage 5380 Fernelmont | €11.1m | €16.2m | €2.22m | 57.4 | 2025 |
| 6 | Entreprises Paul Frateur 5032 Gembloux | €9.49m | — | €2.24m | 22.2 | 2025 |
| 7 | Entreprise Devresse 5555 Bièvre | €9.28m | — | €6.61m | 26.4 | 2025 |
| 8 | Entreprises Lambry 5580 Rochefort | €8.94m | — | €3.86m | 8.1 | 2025 |
| 9 | BESIX Reditec 5020 Namur | €7.78m | €15.2m | €1.61m | 56.0 | 2025 |
| 10 | Tradehy 5030 Gembloux | €7.23m | — | €1.05m | — | 2025 |
| 11 | Geciroute 5190 Jemeppe-sur-Sambre | €4.37m | — | €2.29m | 20.7 | 2025 |
| 12 | Desami 5380 Fernelmont | €4.28m | — | €2.93m | 11.1 | 2025 |
| 13 | Somasign 5590 Ciney | €3.53m | — | 636,072 € | 8.7 | 2025 |
| 14 | Lardot Construct 5101 Namur | €2.40m | — | €1.47m | 8.8 | 2025 |
| 15 | HM Sewertech Services 5360 Hamois | €2.35m | — | €1.01m | 13.9 | 2025 |
| 16 | Yassine 5000 Namur | €2.21m | — | €2.03m | — | 2025 |
| 17 | Sogefip 5310 Éghezée | €2.12m | — | 817,017 € | — | 2025 |
| 18 | Societe Specialisee en Tuyauterie et Mecanosoudure 5060 Sambreville | €1.82m | — | 610,949 € | 16.6 | 2025 |
| 19 | Dahcom 5300 Andenne | €1.79m | — | 827,262 € | — | 2025 |
| 20 | Delvaux Pierre Entreprises 5020 Namur | €1.79m | — | 135,946 € | 4.8 | 2025 |
| 21 | Olivier Benoit & Fils 5300 Andenne | €1.32m | — | 501,008 € | 5.0 | 2025 |
| 22 | Clarenne Travaux 5650 Walcourt | €1.21m | — | 666,252 € | 1.0 | 2025 |
| 23 | Etablissements THIEBAUT - SONNET 5380 Fernelmont | 983,923 € | — | 183,709 € | 1.0 | 2025 |
| 24 | Sotrap 5080 La Bruyère | 901,750 € | — | 87,258 € | — | 2025 |
| 25 | Kustermans & Co 5651 Walcourt | 814,840 € | — | 209,403 € | 4.7 | 2025 |
| 26 | Altaïs 5520 Onhaye | 743,748 € | 642,205 € | 375,690 € | 1.7 | 2025 |
| 27 | Greterco 5190 Jemeppe-sur-Sambre | 705,570 € | — | 181,888 € | — | 2025 |
| 28 | Entreprises HALLOY 5580 Rochefort | 700,560 € | €1.78m | 491,023 € | 9.4 | 2025 |
| 29 | Entreprises Georges Chéron 5310 Éghezée | 619,408 € | — | 544,386 € | — | 2025 |
| 30 | Distrifibre 5590 Ciney | 590,095 € | €1.25m | 267,292 € | 6.1 | 2025 |
| 31 | Q-Fix 5640 Mettet | 577,180 € | — | 164,691 € | — | 2024 |
| 32 | Entreprise Bruno Delestinne 5032 Gembloux | 496,350 € | — | 89,112 € | 0.5 | 2025 |
| 33 | Chalon 5580 Rochefort | 454,486 € | — | 6,699 € | — | 2025 |
| 34 | Entreprises Generales E. Collette et Fils 5640 Mettet | 449,946 € | — | −173,426 € | 1.0 | 2025 |
| 35 | Ludo-Elec 5300 Andenne | 436,556 € | — | 20,996 € | 1.3 | 2024 |
| 36 | FERY Fils 5330 Assesse | 424,846 € | — | 232,739 € | — | 2025 |
| 37 | Hydro Sud Liege 5030 Gembloux | 342,606 € | 14,400 € | 237,480 € | — | 2025 |
| 38 | Accord'O 5080 La Bruyère | 333,400 € | — | 213,942 € | 6.0 | 2025 |
| 39 | Pierre Ostrega 5000 Namur | 302,768 € | — | 188,421 € | — | 2025 |
| 40 | Bilab 5100 Namur | 283,868 € | — | 211,765 € | — | 2025 |
| 41 | Guillaume Lecharlier SRL 5590 Ciney | 263,583 € | — | 75,644 € | — | 2025 |
| 42 | A L'Ovradge 5590 Ciney | 257,187 € | 388,146 € | 71,353 € | 10.2 | 2025 |
| 43 | Evrard Terrassement et Pavage 5644 Mettet | 242,805 € | — | 111,157 € | 3.0 | 2025 |
| 44 | Résidence Notre - Dame 5660 Couvin | 236,729 € | 45,435 € | −64,180 € | — | 2025 |
| 45 | C.M.H.R. Consult 5030 Gembloux | 232,795 € | — | 85,602 € | 1.6 | 2025 |
| 46 | Entreprises Lambert 5640 Mettet | 221,338 € | — | 34,703 € | — | 2025 |
| 47 | Octo-Diving 5060 Sambreville | 205,656 € | — | 66,974 € | 0.8 | 2025 |
| 48 | Ecolive 5530 Yvoir | 180,445 € | 359,958 € | 70,354 € | 0.3 | 2025 |
| 49 | CND Concept 5620 Florennes | 176,137 € | — | 166,922 € | — | 2025 |
| 50 | H2O Pure 5600 Philippeville | 158,851 € | — | 91,574 € | — | 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.
Civil engineering 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
- 43 Specialised construction activities1,906
- 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, …)4
- 5030 Gembloux (Beuzet, Ernage, Grand-Manil, …)4
- 5100 Namur (Dave, Jambes, Naninne, …)4
- 5300 Andenne (Bonneville, Coutisse, Landenne, …)4
- 5380 Fernelmont (Bierwart, Cortil-Wodon, Forville, …)4
- 5580 Rochefort (Ave-Et-Auffe, Buissonville, Eprave, …)4
- 5590 Ciney (Achêne, Braibant, Chevetogne, …)4
- 5640 Mettet (Biesme, Biesmerée, Graux, …)4
- 5032 Gembloux (Bossière, Bothey, Corroy-Le-Château, …)3
- 5080 La Bruyère (Emines, Rhisnes, Villers-Lez-Heest, …)3
- 5140 Sombreffe (Boignée, Ligny, Tongrinne)3
- 5190 Jemeppe-sur-Sambre (Balâtre, Ham-Sur-Sambre, Mornimont, …)3
Frequently asked questions
Which is the largest company in Civil engineering in Namur province?
By total assets, it is ENTREPRISES Jean NONET et FILS (€35.2m, financial year 2025).
How many companies in Civil engineering in Namur province are ranked?
72 out of 77 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.