Manufacture of central heating radiators, steam generators and boilers: highest published revenue
30 Belgian companies in the sector (NACE 2521) publish their revenue in recent accounts; here are the top 20. John Cockerill leads with €272.0m (financial year 2025).
Top 20
Ranked by revenue published 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 | Verdon 6180 Courcelles | €79.9m | €116.5m | €24.8m | 146.0 | 2025 |
| 3 | JAGA 3590 Diepenbeek | €33.3m | €58.0m | €6.22m | 282.3 | 2025 |
| 4 | Purmo Group Belgium 3520 Zonhoven | €18.0m | €56.6m | €10.0m | 72.1 | 2025 |
| 5 | Groupe Atlantic Manufacturing Belgium 7180 Seneffe | €33.1m | €35.4m | −€18.7m | 129.2 | 2025 |
| 6 | VDL KTI 2400 Mol | €25.1m | €27.0m | €7.60m | 78.1 | 2025 |
| 7 | Clayton of Belgium 2880 Bornem | €15.8m | €21.9m | €9.64m | 105.9 | 2025 |
| 8 | Metubel 7110 La Louvière | €13.1m | €21.6m | €5.17m | 155.9 | 2025 |
| 9 | Sparx Industries 4000 Liège | €8.02m | €19.7m | 178,313 € | 59.0 | 2024 |
| 10 | ADF Belgium 2030 Antwerp | €6.64m | €18.4m | 150,794 € | 78.4 | 2025 |
| 11 | Abutriek Service 8570 Anzegem | €9.10m | €13.4m | €2.15m | 46.9 | 2025 |
| 12 | Delbrassine 4800 Verviers | €5.11m | €12.2m | €1.71m | 64.6 | 2025 |
| 13 | NLT-Pivaco Group 9140 Temse | €6.15m | €10.7m | €4.25m | 53.1 | 2025 |
| 14 | Euro - Register 4681 Oupeye | €6.90m | €7.93m | 945,342 € | 66.3 | 2025 |
| 15 | Douin + 4040 Herstal | €3.77m | €7.28m | €1.59m | 45.1 | 2025 |
| 16 | Chaudronneries et Fonderies Philippe Jackson 7700 Mouscron | €5.96m | €6.98m | €2.50m | 11.2 | 2025 |
| 17 | CLYDE BERGEMANN-Forest 6041 Charleroi | €4.56m | €6.51m | €1.90m | 11.3 | 2026 |
| 18 | Aquaflux 4020 Liège | €3.79m | €5.31m | €1.90m | 28.4 | 2025 |
| 19 | Benvitec Manufacturing 3582 Beringen | €3.31m | €3.97m | 829,964 € | 37.4 | 2025 |
| 20 | M.M.T. 8700 Tielt | €1.44m | €1.66m | 958,543 € | 9.2 | 2025 |
These are the revenue figures published in the annual accounts. Small companies (micro and abridged accounts) do not have to publish theirs: they do not appear in this ranking.
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Frequently asked questions
Which company in Manufacture of central heating radiators, steam generators and boilers has the highest revenue?
John Cockerill, with €272.0m in revenue (financial year 2025).
How many Manufacture of central heating radiators, steam generators and boilers companies publish their revenue?
30 out of 226, in accounts less than 3 years old. Small companies (micro and abridged accounts) are not required to publish it.
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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.