Civil engineering: the largest employers in Namur province
As of 13 Nov 2026, 33 companies in Civil engineering (NACE 42) in Namur province report employees in recent accounts (financial years 2024 to 2025). The 10 largest employers account for 490.8 FTE, out of 587.8 for all of them; median headcount is 6.1 FTE. ENTREPRISES Jean NONET et FILS leads with 179.7 FTE (financial year 2025).
Top 33 · Civil engineering · Namur province
Ranked by average headcount (FTE) reported in the latest filed accounts (accounts less than 3 years old).
| # | 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 | Nutons 5030 Gembloux | €13.2m | €33.5m | €6.23m | 86.8 | 2025 |
| 3 | Environnement - Ecologie - Curage 5380 Fernelmont | €11.1m | €16.2m | €2.22m | 57.4 | 2025 |
| 4 | BESIX Reditec 5020 Namur | €7.78m | €15.2m | €1.61m | 56.0 | 2025 |
| 5 | Entreprise Devresse 5555 Bièvre | €9.28m | — | €6.61m | 26.4 | 2025 |
| 6 | Entreprises Paul Frateur 5032 Gembloux | €9.49m | — | €2.24m | 22.2 | 2025 |
| 7 | Geciroute 5190 Jemeppe-sur-Sambre | €4.37m | — | €2.29m | 20.7 | 2025 |
| 8 | Societe Specialisee en Tuyauterie et Mecanosoudure 5060 Sambreville | €1.82m | — | 610,949 € | 16.6 | 2025 |
| 9 | HM Sewertech Services 5360 Hamois | €2.35m | — | €1.01m | 13.9 | 2025 |
| 10 | Desami 5380 Fernelmont | €4.28m | — | €2.93m | 11.1 | 2025 |
| 11 | A L'Ovradge 5590 Ciney | 257,187 € | 388,146 € | 71,353 € | 10.2 | 2025 |
| 12 | LCL Wallonia One 5032 Gembloux | €21.5m | €5.59m | €14.9m | 10.2 | 2025 |
| 13 | Entreprises HALLOY 5580 Rochefort | 700,560 € | €1.78m | 491,023 € | 9.4 | 2025 |
| 14 | Lardot Construct 5101 Namur | €2.40m | — | €1.47m | 8.8 | 2025 |
| 15 | Somasign 5590 Ciney | €3.53m | — | 636,072 € | 8.7 | 2025 |
| 16 | Entreprises Lambry 5580 Rochefort | €8.94m | — | €3.86m | 8.1 | 2025 |
| 17 | Distrifibre 5590 Ciney | 590,095 € | €1.25m | 267,292 € | 6.1 | 2025 |
| 18 | Accord'O 5080 La Bruyère | 333,400 € | — | 213,942 € | 6.0 | 2025 |
| 19 | Olivier Benoit & Fils 5300 Andenne | €1.32m | — | 501,008 € | 5.0 | 2025 |
| 20 | Delvaux Pierre Entreprises 5020 Namur | €1.79m | — | 135,946 € | 4.8 | 2025 |
| 21 | Kustermans & Co 5651 Walcourt | 814,840 € | — | 209,403 € | 4.7 | 2025 |
| 22 | Evrard Terrassement et Pavage 5644 Mettet | 242,805 € | — | 111,157 € | 3.0 | 2025 |
| 23 | Pro Gardener 5670 Viroinval | 127,938 € | — | 22,175 € | 2.0 | 2025 |
| 24 | Altaïs 5520 Onhaye | 743,748 € | 642,205 € | 375,690 € | 1.7 | 2025 |
| 25 | C.M.H.R. Consult 5030 Gembloux | 232,795 € | — | 85,602 € | 1.6 | 2025 |
| 26 | Ludo-Elec 5300 Andenne | 436,556 € | — | 20,996 € | 1.3 | 2024 |
| 27 | Etablissements THIEBAUT - SONNET 5380 Fernelmont | 983,923 € | — | 183,709 € | 1.0 | 2025 |
| 28 | Entreprises Generales E. Collette et Fils 5640 Mettet | 449,946 € | — | −173,426 € | 1.0 | 2025 |
| 29 | Clarenne Travaux 5650 Walcourt | €1.21m | — | 666,252 € | 1.0 | 2025 |
| 30 | Octo-Diving 5060 Sambreville | 205,656 € | — | 66,974 € | 0.8 | 2025 |
| 31 | BC-Location 5140 Sombreffe | 119,730 € | — | 98,643 € | 0.8 | 2025 |
| 32 | Entreprise Bruno Delestinne 5032 Gembloux | 496,350 € | — | 89,112 € | 0.5 | 2025 |
| 33 | Ecolive 5530 Yvoir | 180,445 € | 359,958 € | 70,354 € | 0.3 | 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. Headcount reported by the company for all its sites: the jobs may be located elsewhere.
“—”: 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 activities168
- 02 Forestry and logging52
- 08 Other mining and quarrying19
- 10 Manufacture of food products153
- 11 Manufacture of beverages20
- 16 Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials39
- 18 Printing and reproduction of recorded media25
- 20 Manufacture of chemicals and chemical products18
- 22 Manufacture of rubber and plastic products15
- 23 Manufacture of other non-metallic mineral products34
- 25 Manufacture of fabricated metal products, except machinery and equipment104
- 26 Manufacture of computer, electronic and optical products12
- 27 Manufacture of electrical equipment19
- 28 Manufacture of machinery and equipment n.e.c.29
- 29 Manufacture of motor vehicles, trailers and semi-trailers11
- 31 Manufacture of furniture17
- 32 Other manufacturing26
- 33 Repair, maintenance and installation of machinery and equipment43
- 38 Waste collection, recovery and disposal activities24
- 41 Construction of residential and non-residential buildings254
- 43 Specialised construction activities785
- 46 Wholesale trade383
- 47 Retail trade945
- 49 Land transport and transport via pipelines120
- 52 Warehousing, storage and support activities for transportation24
- 55 Accommodation80
- 56 Food and beverage service activities526
- 58 Publishing activities14
- 59 Motion picture, video and television programme production, sound recording and music publishing activities12
- 62 Computer programming, consultancy and related activities113
- 64 Financial service activities, except insurance and pension funding52
- 66 Activities auxiliary to financial services and insurance activities137
- 68 Real estate activities150
- 69 Legal and accounting activities227
- 70 Activities of head offices and management consultancy117
- 71 Architectural and engineering activities; technical testing and analysis91
- 72 Scientific research and development23
- 73 Activities of advertising, market research and public relations36
- 74 Other professional, scientific and technical activities20
- 75 Veterinary activities24
- 77 Rental and leasing activities19
- 78 Employment activities23
- 79 Travel agency, tour operator and other reservation service and related activities17
- 81 Services to buildings and landscape activities120
- 82 Office administrative, office support and other business support activities30
- 85 Education98
- 86 Human health activities232
- 87 Residential care activities94
- 88 Social work activities without accommodation68
- 90 Arts creation and performing arts activities23
- 91 Libraries, archives, museums and other cultural activities17
- 93 Sports activities and amusement and recreation activities49
- 94 Activities of membership organisations78
- 95 Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles83
- 96 Personal service activities111
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 employer in Civil engineering in Namur province?
Among companies, ENTREPRISES Jean NONET et FILS, with 179.7 full-time equivalents reported (financial year 2025).
Are all the jobs located in the area?
Not necessarily: headcount is reported by the company for all its sites, and the company is ranked by the address of its registered office. 33 out of 77 companies in the sector report employees there.
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.
Analyse companies · Namur province
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Open the full file →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 13 Nov 2026.