Companies in 3600 Genk
3,667 companies that have filed annual accounts are registered in 3600 Genk.
Largest companies in Limburg (Belgium) → · Largest employers in Limburg (Belgium) →
Main sectors in Genk
Largest companies in Genk
Ranked by total assets in the latest filed accounts. This is a size criterion, not an assessment.
| # | Company | Total assets | Revenue | Equity | FTE | Year |
|---|---|---|---|---|---|---|
| 1 | Aperam Stainless Belgium Manufacture of basic metals | €2.13bn | €2.78bn | €527.3m | 2,081.9 | 2025 |
| 2 | H. Essers Logistics Company Real estate activities | €550.7m | €28.2m | €123.3m | — | 2025 |
| 3 | H. Essers Financial service activities, except insurance and pension funding | €509.9m | — | €501.6m | — | 2025 |
| 4 | Foresco BE Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials | €416.1m | €165.0m | €79.7m | 454.9 | 2025 |
| 5 | Henri Essers EN Zonen Internationaal Transport Land transport and transport via pipelines | €339.5m | €537.9m | €21.1m | 932.3 | 2025 |
| 6 | Nitto Emea Financial service activities, except insurance and pension funding | €270.0m | — | €266.6m | 27.7 | 2026 |
| 7 | Klinisch Labo Rigo Human health activities | €194.9m | €11.6m | €128.2m | 51.5 | 2025 |
| 8 | Sumitomo Bakelite Europe Manufacture of chemicals and chemical products | €150.3m | €73.8m | €132.3m | 120.4 | 2026 |
| 9 | Nitto Belgium Manufacture of rubber and plastic products | €138.0m | €224.9m | €83.2m | 491.5 | 2026 |
| 10 | Ball Beverage Packaging Belgium Manufacture of fabricated metal products, except machinery and equipment | €131.5m | €109.7m | €32.5m | 149.2 | 2025 |
| 11 | H. Essers Transport Company Land transport and transport via pipelines | €127.1m | €98.6m | €64.6m | 654.3 | 2025 |
| 12 | NV Dynamica Industrial Property Real estate activities | €118.2m | — | €19.4m | — | 2025 |
| 13 | Limburgse Distributie Maatschappij Warehousing, storage and support activities for transportation | €113.1m | €22.0m | €11.5m | 212.7 | 2026 |
| 14 | IPTE Factory Automation Manufacture of computer, electronic and optical products | €107.2m | €37.3m | €30.2m | 96.3 | 2025 |
| 15 | K. Racing Club Genk 322 Sports activities and amusement and recreation activities | €102.2m | €33.5m | €62.4m | 175.3 | 2025 |
| 16 | Wit-Gele Kruis van Limburg Human health activities | €96.9m | €82.6m | €65.2m | 1,298.0 | 2025 |
| 17 | Facil Europe Wholesale trade | €96.5m | €186.1m | €52.2m | 69.8 | 2025 |
| 18 | AGB Genk Public administration and defence; compulsory social security | €89.0m | €5.77m | €73.7m | — | 2025 |
| 19 | Amano Europe Holdings Financial service activities, except insurance and pension funding | €88.0m | — | €85.2m | 2.0 | 2025 |
| 20 | H.Essers Logistics Services Company Warehousing, storage and support activities for transportation | €87.6m | €164.8m | €19.8m | 1,219.3 | 2025 |
“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.
Based elsewhere, present in Genk
731 companies with their registered office in another municipality operate at least one establishment in Genk (shop, branch, depot…). The largest, by balance sheet total:
| # | Company | Total assets | Revenue | Equity | FTE | Year |
|---|---|---|---|---|---|---|
| 1 | Infrabel 1060 Saint-Gilles | €25.7bn | €1.43bn | €20.2bn | — | 2025 |
| 2 | Ethias 4000 Liège | €20.8bn | — | €1.89bn | — | 2025 |
| 3 | Société Nationale DES Chemins DE FER Belges 1060 Saint-Gilles | €13.1bn | €2.62bn | €8.05bn | — | 2025 |
| 4 | Elia Transmission Belgium 1000 Brussels | €10.5bn | €1.52bn | €3.86bn | 611.6 | 2025 |
| 5 | Fluvius System Operator 9090 Merelbeke-Melle | €10.2bn | €2.90bn | €993.8m | 5,326.3 | 2025 |
| 6 | Proximus 1030 Schaerbeek | €9.96bn | €3.89bn | €1.42bn | 8,312.3 | 2025 |
| 7 | Elia Asset 1000 Brussels | €7.19bn | €963.7m | €1.73bn | 999.9 | 2025 |
| 8 | Elia Group 1000 Brussels | €7.15bn | — | €5.05bn | 9.3 | 2025 |
| 9 | Arcelormittal Belgium 1000 Brussels | €4.55bn | €4.89bn | €1.66bn | 5,838.8 | 2025 |
| 10 | Aquafin 2630 Aartselaar | €4.48bn | €636.9m | €1.11bn | 1,207.3 | 2025 |
| 11 | bpost 1000 Brussels | €4.27bn | €2.19bn | €657.6m | 23,730.2 | 2025 |
| 12 | Orange Belgium 1140 Evere | €3.71bn | €1.67bn | €864.1m | 1,953.2 | 2025 |
| 13 | DE Vlaamse Waterweg 3500 Hasselt | €3.38bn | €61.6m | €3.21bn | 1,229.4 | 2025 |
| 14 | Vlaamse Vervoermaatschappij - De Lijn 2800 Mechelen | €3.09bn | €1.42bn | €2.25bn | 7,637.1 | 2025 |
| 15 | Colruyt Food Retail 1500 Halle | €3.05bn | €8.05bn | €786.2m | 16,584.4 | 2026 |
| 16 | Fluxys Belgium 1040 Brussels | €2.27bn | €722.2m | €399.7m | 918.5 | 2025 |
| 17 | Wonen in Limburg 3530 Houthalen-Helchteren | €2.06bn | €149.8m | €591.8m | 397.5 | 2025 |
| 18 | Evara 9000 Ghent | €1.30bn | €443.2m | €750.4m | 7,600.9 | 2025 |
| 19 | Interuniversitair Micro-Electronica Centrum 3001 Leuven | €1.27bn | €804.3m | €512.1m | 2,904.3 | 2025 |
| 20 | Heidelberg Materials Benelux 1420 Braine-l'Alleud | €1.05bn | €602.9m | €688.8m | 1,350.8 | 2025 |
Establishments: establishment units declared in the Crossroads Bank for Enterprises (CBE). Each company’s registered office is shown under its name.
“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.
Nearby municipalities
Frequently asked questions
How many companies are registered in Genk?
3,667 companies that have filed annual accounts are registered at postcode 3600 (Genk).
What are the main sectors in Genk?
By number of companies: Specialised construction activities (404), Human health activities (325), Real estate activities (304).
What is the largest company in Genk?
By total assets, it is Aperam Stainless Belgium (€2.13bn, financial year 2025).
How many jobs do companies in Genk report?
Companies registered in Genk together report 25,776 full-time equivalents in their latest accounts. These jobs may be located outside the municipality.
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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 20 Oct 2026.