Limburg · Flanders

Companies in 3550 Heusden-Zolder (Heusden, Zolder)

2,206 companies that have filed annual accounts are registered in 3550 Heusden-Zolder (Heusden, Zolder). Postcode 3550 covers: Heusden, Heusden-Zolder, Zolder.

Companies2,206
Reported headcount (FTE)5,549
Companies with 50+ FTE13
Median equity100,792 €
Founded in the last 3 years226

Largest companies in Limburg (Belgium) → · Largest employers in Limburg (Belgium) →

Main sectors in Heusden-Zolder (Heusden, Zolder)

Largest companies in Heusden-Zolder (Heusden, Zolder)

Ranked by total assets in the latest filed accounts. This is a size criterion, not an assessment.

#Company Total assetsRevenue EquityFTEYear
1 Energy Solutions Group Financial service activities, except insurance and pension funding €427.2m €10.1m €294.8m 8.4 2025
2 ANSA Financial service activities, except insurance and pension funding €197.9m 96,145 € €195.4m — 2025
3 Hypostart Financial service activities, except insurance and pension funding €107.1m €3.04m €17.4m — 2025
4 ALDI Retail trade €91.0m €511.4m €13.9m 896.5 2025
5 Harmignies Energy Storage Electricity, gas, steam and air conditioning supply €83.6m — −€2.84m — 2025
6 Patronale Solar Architectural and engineering activities; technical testing and analysis €68.0m — €10.5m 6.4 2025
7 Colas Noord Civil engineering €66.9m €157.9m €3.87m 472.1 2025
8 Marlux-Stradus Manufacture of other non-metallic mineral products €65.8m €62.9m €19.5m 214.5 2025
9 NalE Invest Financial service activities, except insurance and pension funding €65.6m €2.34m €42.8m 4.6 2025
10 Katholieke Scholen Heusden-Zolder Education €63.9m €2.04m €31.9m — 2024
11 Rezinal Manufacture of basic metals €51.5m €80.7m €28.5m 61.0 2025
12 Demer en Dijle Financial service activities, except insurance and pension funding €50.8m €1.34m €7.30m — 2025
13 P&V Panels Manufacture of electrical equipment €39.8m €69.6m €13.4m 208.8 2026
14 BWW Invest Activities of head offices and management consultancy €36.9m €1.26m €32.5m 1.9 2025
15 Management and Consulting Real estate activities €36.3m €4.91m €15.5m 1.2 2024
16 Berghoff Worldwide Wholesale trade €32.8m €30.7m €23.5m 31.1 2025
17 Limburgs Landschap Libraries, archives, museums and other cultural activities €32.0m — €30.2m 25.6 2025
18 Bima Invest Activities of head offices and management consultancy €27.9m — €27.8m — 2025
19 Group Ceyssens Specialised construction activities €26.7m €51.0m €9.35m 74.6 2025
20 Indomi Financial service activities, except insurance and pension funding €26.2m 625,219 € €6.33m — 2025

“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.

Based elsewhere, present in Heusden-Zolder (Heusden, Zolder)

302 companies with their registered office in another municipality operate at least one establishment in Heusden-Zolder (Heusden, Zolder) (shop, branch, depot…). The largest, by balance sheet total:

#Company Total assetsRevenue EquityFTEYear
1 Aquafin 2630 Aartselaar €4.48bn €636.9m €1.11bn 1,207.3 2025
2 bpost 1000 Brussels €4.27bn €2.19bn €657.6m 23,730.2 2025
3 Vlaamse Maatschappij voor Watervoorziening 1030 Schaerbeek €2.25bn €838.3m €1.26bn 1,594.8 2024
4 Wonen in Limburg 3530 Houthalen-Helchteren €2.06bn €149.8m €591.8m 397.5 2025
5 Carrefour Belgium 1930 Zaventem €1.42bn €4.02bn €42.5m 6,365.9 2025
6 Air Products 1831 Machelen (Brab.) €704.4m €220.8m €631.3m 258.3 2025
7 KUWAIT PETROLEUM (Belgium) 2018 Antwerp €628.7m €2.73bn €214.6m 426.3 2025
8 EG Retail (Belgium) 2180 Antwerp €582.1m €860.8m €44.1m 1.0 2025
9 Febelco 9100 Sint-Niklaas €381.9m €1.79bn €103.6m 948.1 2025
10 FedEx Express BE 1830 Machelen (Brab.) €371.1m €420.0m €120.1m 1,197.5 2025
11 Renewi 3920 Lommel €365.0m €409.1m €133.2m 1,525.5 2026
12 Circle K Belgium 1160 Auderghem €363.7m €1.60bn €76.9m 132.8 2025
13 Maes Retail 2880 Bornem €351.4m €455.8m €25.6m 29.6 2025
14 Action Belgium 1730 Asse €273.8m €1.47bn €70.5m 3,178.2 2025
15 Group induver 2018 Antwerp €214.4m €43.8m €37.4m 141.2 2025
16 Basic-FIT Belgium 1090 Jette €203.3m €229.2m €46.6m 649.8 2025
17 Kruidvat 2600 Antwerp €192.7m €779.5m €83.5m 2,407.0 2025
18 Dats 24 1500 Halle €190.2m €887.5m €93.9m 70.6 2025
19 Buurtwinkels Okay 1500 Halle €190.1m €1.02bn €26.9m 2,903.0 2026
20 ISS Facility Services 1000 Brussels €148.0m €350.1m €49.3m 5,282.5 2025

Establishments: establishment units declared in the Crossroads Bank for Enterprises (CBE). Each company’s registered office is shown under its name.

Nearby municipalities

Frequently asked questions

How many companies are registered in Heusden-Zolder (Heusden, Zolder)?

2,206 companies that have filed annual accounts are registered at postcode 3550 (Heusden-Zolder (Heusden, Zolder)).

What are the main sectors in Heusden-Zolder (Heusden, Zolder)?

By number of companies: Specialised construction activities (331), Real estate activities (180), Activities of head offices and management consultancy (173).

What is the largest company in Heusden-Zolder (Heusden, Zolder)?

By total assets, it is Energy Solutions Group (€427.2m, financial year 2025).

How many jobs do companies in Heusden-Zolder (Heusden, Zolder) report?

Companies registered in Heusden-Zolder (Heusden, Zolder) together report 5,549 full-time equivalents in their latest accounts. These jobs may be located outside the municipality.

Idonis

Analyse companies in Heusden-Zolder (Heusden, Zolder)

Filter these companies by size, soundness and trend, follow them and get an alert when their accounts or publications change.

Open the full file →
Free account in 30 seconds, by email. No bank card.

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 11 Nov 2026.