Manufacture of central heating radiators, steam generators and boilers: largest employers
96 Belgian companies in the sector (NACE 2521) report employees in recent accounts; here are the top 20. John Cockerill leads with 565.5 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 | John Cockerill 4100 Seraing | €851.9m | €272.0m | €296.6m | 565.5 | 2025 |
| 2 | JAGA 3590 Diepenbeek | €33.3m | €58.0m | €6.22m | 282.3 | 2025 |
| 3 | Metubel 7110 La Louvière | €13.1m | €21.6m | €5.17m | 155.9 | 2025 |
| 4 | Verdon 6180 Courcelles | €79.9m | €116.5m | €24.8m | 146.0 | 2025 |
| 5 | Groupe Atlantic Manufacturing Belgium 7180 Seneffe | €33.1m | €35.4m | −€18.7m | 129.2 | 2025 |
| 6 | Clayton of Belgium 2880 Bornem | €15.8m | €21.9m | €9.64m | 105.9 | 2025 |
| 7 | ADF Belgium 2030 Antwerp | €6.64m | €18.4m | 150,794 € | 78.4 | 2025 |
| 8 | VDL KTI 2400 Mol | €25.1m | €27.0m | €7.60m | 78.1 | 2025 |
| 9 | Purmo Group Belgium 3520 Zonhoven | €18.0m | €56.6m | €10.0m | 72.1 | 2025 |
| 10 | Euro - Register 4681 Oupeye | €6.90m | €7.93m | 945,342 € | 66.3 | 2025 |
| 11 | Delbrassine 4800 Verviers | €5.11m | €12.2m | €1.71m | 64.6 | 2025 |
| 12 | Sparx Industries 4000 Liège | €8.02m | €19.7m | 178,313 € | 59.0 | 2024 |
| 13 | NLT-Pivaco Group 9140 Temse | €6.15m | €10.7m | €4.25m | 53.1 | 2025 |
| 14 | Timmerman Energy & Heat Solutions 9900 Eeklo | €4.92m | — | 843,679 € | 52.5 | 2025 |
| 15 | CME Tuyauterie 7522 Tournai | €1.27m | — | 266,766 € | 48.1 | 2025 |
| 16 | Abutriek Service 8570 Anzegem | €9.10m | €13.4m | €2.15m | 46.9 | 2025 |
| 17 | Douin + 4040 Herstal | €3.77m | €7.28m | €1.59m | 45.1 | 2025 |
| 18 | Asotep 3600 Genk | €6.52m | — | 661,207 € | 42.8 | 2025 |
| 19 | Veltec 2950 Kapellen | €4.82m | — | 717,205 € | 40.3 | 2025 |
| 20 | Benvitec Manufacturing 3582 Beringen | €3.31m | €3.97m | 829,964 € | 37.4 | 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 Manufacture of central heating radiators, steam generators and boilers?
John Cockerill, with 565.5 full-time equivalents reported (financial year 2025).
How many Manufacture of central heating radiators, steam generators and boilers companies report employees?
96 out of 226, in accounts less than 3 years old.
Analyse companies in Manufacture of central heating radiators, steam generators and boilers
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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 14 Nov 2026.