Construction of utility projects for fluids: largest employers
160 Belgian companies in the sector (NACE 4221) report employees in recent accounts; here are the top 20. Denys leads with 969.3 FTE (financial year 2025).
Top 20
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 | Denys 9032 Ghent | €528.9m | €506.3m | €103.8m | 969.3 | 2025 |
| 2 | Etwal - Platteau Infra 7180 Seneffe | €41.3m | €65.3m | €18.0m | 430.4 | 2025 |
| 3 | Litran 9000 Ghent | €83.5m | €114.1m | €21.1m | 410.2 | 2025 |
| 4 | Argea 1180 Uccle | €34.9m | €72.9m | €10.7m | 348.7 | 2025 |
| 5 | Verbraeken Infra 9140 Temse | €193.3m | €319.2m | €85.7m | 327.2 | 2025 |
| 6 | Entreprises Hydrogaz 4460 Grâce-Hollogne | €58.5m | €84.6m | €25.9m | 228.6 | 2025 |
| 7 | Herbosch - Kiere 9130 Beveren-Kruibeke-Zwijndrecht | €111.7m | €117.7m | €16.8m | 221.4 | 2025 |
| 8 | Tegec 4432 Ans | €20.5m | €40.7m | €6.15m | 177.6 | 2025 |
| 9 | Smet GWT Europe 2480 Dessel | €19.2m | €39.1m | €5.58m | 152.3 | 2025 |
| 10 | Vereecke 3900 Pelt | €6.71m | €25.3m | €1.35m | 115.5 | 2025 |
| 11 | Socalim 3600 Genk | €9.25m | — | €2.24m | 113.6 | 2025 |
| 12 | MNF-Tech 9160 Lokeren | €12.0m | €22.2m | €3.66m | 110.9 | 2025 |
| 13 | Canalco 2280 Grobbendonk | €16.9m | €29.1m | €6.70m | 98.7 | 2025 |
| 14 | Travaux Voiries et Conduites 6220 Fleurus | €3.87m | — | €1.43m | 74.7 | 2025 |
| 15 | ELTA 9230 Wetteren | €5.71m | — | €2.15m | 50.9 | 2025 |
| 16 | Ondernemingen Jansen 2330 Merksplas | €14.8m | €15.2m | €6.44m | 49.8 | 2025 |
| 17 | Pantarein Water 2800 Mechelen | €17.0m | €17.3m | €5.30m | 43.9 | 2025 |
| 18 | Ondernemingen Swennen 3500 Hasselt | €10.8m | €11.7m | €1.81m | 43.0 | 2025 |
| 19 | Exelio 4140 Sprimont | €5.72m | — | €1.52m | 42.5 | 2025 |
| 20 | EZ-Systems 9160 Lokeren | €2.39m | — | €1.16m | 38.4 | 2025 |
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.
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Frequently asked questions
Who is the largest employer in Construction of utility projects for fluids?
Denys, with 969.3 full-time equivalents reported (financial year 2025).
How many Construction of utility projects for fluids companies report employees?
160 out of 444, in accounts less than 3 years old.
Analyse companies in Construction of utility projects for fluids
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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 12 Nov 2026.