Remediation activities and other waste management service activities: largest employers
56 Belgian companies in the sector (NACE 3900) report employees in recent accounts; here are the top 20. Envisan leads with 103.0 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 | Envisan 9308 Aalst | €135.4m | €108.5m | €49.9m | 103.0 | 2025 |
| 2 | Deme Environnement 6240 Farciennes | €77.1m | €36.1m | €18.8m | 79.5 | 2025 |
| 3 | Belgische Asbestverwijdering 2200 Herentals | €5.49m | €5.22m | €1.28m | 46.0 | 2024 |
| 4 | Entreprises Swennen 4530 Villers-le-Bouillet | €12.0m | €5.68m | €1.40m | 45.2 | 2025 |
| 5 | HAEMERS Technologies 1120 Brussels | €30.5m | — | €8.88m | 41.2 | 2026 |
| 6 | Asbest Care 3583 Beringen | €2.44m | — | 384,936 € | 27.8 | 2025 |
| 7 | Polygon Asbest Cleaning 3970 Leopoldsburg | €4.51m | — | €3.13m | 24.7 | 2025 |
| 8 | Etude Traitement Pollution et Hydrocarbure 4570 Marchin | €3.97m | — | €1.96m | 23.7 | 2025 |
| 9 | Belgarena 6240 Farciennes | €9.47m | — | €4.15m | 23.0 | 2025 |
| 10 | ‘Asbitech 2830 Willebroek | €2.18m | — | 680,725 € | 17.3 | 2025 |
| 11 | Libreco 9320 Aalst | €3.43m | — | €2.66m | 16.1 | 2025 |
| 12 | 4Best 2340 Beerse | €4.29m | — | €1.32m | 16.0 | 2025 |
| 13 | Asbestverwijdering.be 2520 Ranst | €1.37m | — | 700,674 € | 15.7 | 2025 |
| 14 | Fonds d'assainissement des sols des citernes à gasoil à des fins de chauffage 1932 Zaventem | €64.0m | — | −€49.0m | 14.8 | 2025 |
| 15 | A.A.R.S. West ALL Asbestos Removal Services West 8400 Ostend | 825,739 € | — | 426,244 € | 14.0 | 2026 |
| 16 | Credim 2940 Stabroek | 726,056 € | — | −59,892 € | 12.0 | 2025 |
| 17 | Sun Calor 2440 Geel | €1.10m | — | 320,067 € | 8.1 | 2025 |
| 18 | Sol-EX 5030 Gembloux | 550,087 € | — | 261,518 € | 7.7 | 2025 |
| 19 | MAB 2920 Kalmthout | €2.55m | — | €1.01m | 6.9 | 2025 |
| 20 | Santerra 3190 Boortmeerbeek | €14.5m | — | €6.23m | 6.9 | 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 Remediation activities and other waste management service activities?
Envisan, with 103.0 full-time equivalents reported (financial year 2025).
How many Remediation activities and other waste management service activities companies report employees?
56 out of 173, in accounts less than 3 years old.
Analyse companies in Remediation activities and other waste management service activities
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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.