Aluminium production: largest employers
31 Belgian companies in the sector (NACE 2442) report employees in recent accounts; here are the top 20. Aluminium Duffel leads with 892.9 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 | Aluminium Duffel 2570 Duffel | €403.4m | €623.5m | €147.8m | 892.9 | 2025 |
| 2 | Hydro Extrusion Lichtervelde 8810 Lichtervelde | €72.9m | €198.7m | €30.5m | 209.9 | 2025 |
| 3 | E - Max Aluminium Profielen 3650 Dilsen-Stokkem | €57.9m | €100.0m | €28.0m | 124.0 | 2025 |
| 4 | Sankyo Tateyama Europe 2570 Duffel | €21.6m | €50.0m | €2.94m | 112.5 | 2025 |
| 5 | Aliplast Aluminium Extrusion 9160 Lokeren | €346.1m | €64.9m | €306.1m | 96.8 | 2025 |
| 6 | E-MAX Profiles Moorsele 8560 Wevelgem | €18.7m | €35.5m | €3.85m | 69.8 | 2025 |
| 7 | AMI Metals Europe 6041 Charleroi | €37.4m | €55.6m | €32.3m | 53.9 | 2025 |
| 8 | Interalu 2610 Antwerp | €49.7m | €35.4m | €34.0m | 49.7 | 2025 |
| 9 | Hydro Extrusion Eupen 4701 Eupen | €3.18m | €4.64m | −636,267 € | 39.8 | 2025 |
| 10 | Castel Engineering 7700 Mouscron | €18.7m | €22.3m | €16.3m | 37.9 | 2025 |
| 11 | Comeplast-Carpaco 9600 Ronse | €2.01m | — | −€1.13m | 35.3 | 2024 |
| 12 | Isora Alu-Systems 9700 Oudenaarde | €2.56m | — | 118,428 € | 29.9 | 2025 |
| 13 | De Kievelden 3950 Bocholt | €1.02m | — | 301,665 € | 27.3 | 2025 |
| 14 | Aluso 1830 Machelen (Brab.) | €4.34m | €7.34m | €3.47m | 23.0 | 2025 |
| 15 | Poujoulat Belux 1400 Nivelles | €8.07m | €7.65m | €6.76m | 22.0 | 2026 |
| 16 | Antoon Decock 8560 Wevelgem | €4.85m | — | €1.60m | 21.1 | 2025 |
| 17 | Vermo 8830 Hooglede | €3.48m | — | €1.28m | 18.7 | 2025 |
| 18 | Mavaro 3980 Tessenderlo-Ham | €4.85m | — | 972,132 € | 17.3 | 2025 |
| 19 | CLAERHOUT Aluminium 8530 Harelbeke | €8.75m | — | €4.92m | 15.4 | 2024 |
| 20 | Ateliers Roland Pesch 4890 Thimister-Clermont | €5.89m | — | €1.06m | 15.0 | 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.
← The whole Aluminium production sector
Frequently asked questions
Who is the largest employer in Aluminium production?
Aluminium Duffel, with 892.9 full-time equivalents reported (financial year 2025).
How many Aluminium production companies report employees?
31 out of 44, in accounts less than 3 years old.
Analyse companies in Aluminium production
Filter these companies by size, soundness and trend, follow them and get an alert when their accounts or publications change.
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 14 Nov 2026.