Ranking · Flemish Brabant · NACE 26
Manufacture of computer, electronic and optical products: the largest companies in Flemish Brabant
As of 14 Nov 2026, 95 companies in Manufacture of computer, electronic and optical products (NACE 26) in Flemish Brabant publish total assets in recent accounts (financial years 2023 to 2026). The top 10 account for €579.6m, out of €711.8m for all of them; median total assets are 640,543 €. Hitachi Energy Belgium leads with €187.2m (financial year 2026).
Top 50 · Manufacture of computer, electronic and optical products · Flemish Brabant
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 | Hitachi Energy Belgium 1930 Zaventem | €187.2m | €112.2m | €31.4m | 276.1 | 2026 |
| 2 | Connect Group 1910 Kampenhout | €118.1m | €116.8m | €33.8m | 212.6 | 2025 |
| 3 | Mirion Technologies (Canberra BNLS) 1731 Asse | €67.4m | €8.83m | €19.8m | 11.7 | 2025 |
| 4 | PITS 1731 Asse | €60.3m | €35.4m | €52.4m | 103.3 | 2025 |
| 5 | Zenitel 1731 Asse | €56.7m | — | €38.3m | 2.0 | 2025 |
| 6 | Kronos Systems 1731 Asse | €38.8m | €33.7m | €6.46m | 29.0 | 2025 |
| 7 | Huawei Technologies Research & Development Belgium 3001 Leuven | €17.7m | €37.0m | €8.29m | 54.3 | 2025 |
| 8 | Ekinops Belgium 3001 Leuven | €15.2m | €27.8m | €3.65m | 94.7 | 2025 |
| 9 | Option 3001 Leuven | €9.33m | €3.69m | €1.38m | 16.0 | 2025 |
| 10 | Applied Materials Belgium 3001 Leuven | €8.84m | €7.33m | €4.56m | 22.0 | 2025 |
| 11 | Demant Belgium 3001 Leuven | €8.81m | €17.3m | €1.06m | 9.5 | 2025 |
| 12 | Danfoss 1702 Dilbeek | €7.83m | €29.4m | €1.15m | 33.0 | 2025 |
| 13 | Warner Music Benelux 1702 Dilbeek | €6.83m | — | €3.73m | 10.1 | 2025 |
| 14 | Enkris Semiconductor Europe 3001 Leuven | €6.34m | — | 60,195 € | — | 2025 |
| 15 | Clock-O-Matic 3220 Holsbeek | €5.90m | — | €3.37m | 39.1 | 2025 |
| 16 | C.N. Rood 1731 Asse | €4.98m | €16.1m | €2.13m | 20.1 | 2025 |
| 17 | Electro Mechanic Equipment 3380 Glabbeek | €4.93m | — | €2.62m | 31.8 | 2025 |
| 18 | Skidata 1930 Zaventem | €4.71m | — | €1.59m | 23.4 | 2025 |
| 19 | ELO Touch Solutions (Belgium) 3110 Rotselaar | €4.63m | €6.30m | €3.10m | 27.3 | 2025 |
| 20 | Elmedix 3001 Leuven | €4.60m | — | €4.40m | 5.8 | 2025 |
| 21 | Gigacom Benelux 3271 Scherpenheuvel-Zichem | €4.58m | — | €3.86m | 6.8 | 2025 |
| 22 | MinDCet 3001 Leuven | €4.43m | — | €2.84m | 14.0 | 2025 |
| 23 | Geveke Process Technology 1800 Vilvoorde | €4.24m | — | €2.34m | 5.4 | 2025 |
| 24 | Orbotech 3001 Leuven | €4.18m | — | €4.16m | — | 2025 |
| 25 | CCS Europe NV/SA 1600 Sint-Pieters-Leeuw | €4.12m | €8.00m | €2.89m | 8.7 | 2025 |
| 26 | Euro-Index 1930 Zaventem | €3.86m | — | €3.47m | 12.7 | 2025 |
| 27 | Simera Sense Europe 3001 Leuven | €3.31m | — | 389,837 € | 0.5 | 2025 |
| 28 | Ateliers Radiomecaniques Belges 1701 Dilbeek | €3.11m | €3.16m | 645,054 € | 21.0 | 2026 |
| 29 | Pulsify Medical 3001 Leuven | €2.86m | — | €2.13m | 3.3 | 2023 |
| 30 | Atos Engineering 3110 Rotselaar | €2.77m | — | 850,257 € | 21.4 | 2025 |
| 31 | SoundTalks 3001 Leuven | €2.52m | — | €2.25m | 14.5 | 2025 |
| 32 | Immersive Audio Technologies 1755 Pajottegem | €2.50m | — | €2.32m | — | 2025 |
| 33 | Lucas 3090 Overijse | €2.09m | — | €1.31m | — | 2025 |
| 34 | Ampron Technology Europe 3010 Leuven | €2.07m | — | €2.03m | 1.0 | 2025 |
| 35 | Bogimac 1850 Grimbergen | €1.98m | — | 480,246 € | 2.3 | 2025 |
| 36 | Axelera AI 3000 Leuven | €1.87m | — | 269,093 € | 13.6 | 2024 |
| 37 | PIMM Engineering 1790 Affligem | €1.83m | — | −68,380 € | 11.3 | 2025 |
| 38 | Metis Instruments & Equipment 3001 Leuven | €1.53m | — | €1.30m | 7.5 | 2025 |
| 39 | MagCam 3001 Leuven | €1.38m | €1.08m | 945,364 € | 4.6 | 2025 |
| 40 | Eurotach 1831 Machelen (Brab.) | €1.33m | — | 544,408 € | 1.0 | 2025 |
| 41 | Inter@ctKiosks 1790 Affligem | €1.27m | — | −316,783 € | 2.0 | 2025 |
| 42 | Sonova Consumer Hearing Belgium 1702 Dilbeek | €1.11m | €1.08m | 318,255 € | 9.2 | 2026 |
| 43 | Qsources 3293 Diest | 969,010 € | — | 515,485 € | 6.2 | 2026 |
| 44 | Conttech 1731 Asse | 849,410 € | — | 781,307 € | 3.8 | 2025 |
| 45 | Sensors Belgium 1750 Lennik | 668,480 € | — | 662,656 € | — | 2025 |
| 46 | KB Design 1981 Zemst | 663,330 € | — | 18,600 € | — | 2025 |
| 47 | Industrialise 3191 Boortmeerbeek | 649,321 € | — | 335,243 € | 0.8 | 2025 |
| 48 | THEON Belgium BV 1930 Zaventem | 640,543 € | — | −231,499 € | — | 2025 |
| 49 | Escape 3200 Aarschot | 639,514 € | — | 52,146 € | 1.0 | 2025 |
| 50 | Sunconcept 1620 Drogenbos | 632,283 € | — | 323,758 € | 1.0 | 2023 |
Ranking based on each company's own annual accounts (statutory, not consolidated): a subsidiary and its parent appear separately, and the ranking differs from lists based on consolidated group accounts.
“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.
Manufacture of computer, electronic and optical products across Belgium → All sectors · Flemish Brabant →
Other sectors · Flemish Brabant
- 01 Crop and animal production, hunting and related service activities578
- 02 Forestry and logging32
- 08 Other mining and quarrying13
- 10 Manufacture of food products446
- 11 Manufacture of beverages78
- 13 Manufacture of textiles43
- 14 Manufacture of wearing apparel33
- 16 Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials120
- 17 Manufacture of paper and paper products32
- 18 Printing and reproduction of recorded media210
- 20 Manufacture of chemicals and chemical products56
- 21 Manufacture of basic pharmaceutical products and pharmaceutical preparations38
- 22 Manufacture of rubber and plastic products65
- 23 Manufacture of other non-metallic mineral products103
- 24 Manufacture of basic metals23
- 25 Manufacture of fabricated metal products, except machinery and equipment387
- 27 Manufacture of electrical equipment77
- 28 Manufacture of machinery and equipment n.e.c.150
- 29 Manufacture of motor vehicles, trailers and semi-trailers41
- 30 Manufacture of other transport equipment17
- 31 Manufacture of furniture116
- 32 Other manufacturing156
- 33 Repair, maintenance and installation of machinery and equipment333
- 35 Electricity, gas, steam and air conditioning supply74
- 37 Sewerage26
- 38 Waste collection, recovery and disposal activities75
- 39 Remediation activities and other waste management service activities22
- 41 Construction of residential and non-residential buildings3,662
- 42 Civil engineering294
- 43 Specialised construction activities6,325
- 46 Wholesale trade3,996
- 47 Retail trade4,704
- 49 Land transport and transport via pipelines1,858
- 50 Water transport11
- 51 Air transport34
- 52 Warehousing, storage and support activities for transportation305
- 53 Postal and courier activities135
- 55 Accommodation230
- 56 Food and beverage service activities2,727
- 58 Publishing activities167
- 59 Motion picture, video and television programme production, sound recording and music publishing activities359
- 60 Programming, broadcasting, news agency and other content distribution activities37
- 61 Telecommunication98
- 62 Computer programming, consultancy and related activities4,614
- 63 Computing infrastructure, data processing, hosting and other information service activities521
- 64 Financial service activities, except insurance and pension funding2,304
- 65 Insurance, reinsurance and pension funding, except compulsory social security22
- 66 Activities auxiliary to financial services and insurance activities811
- 68 Real estate activities4,996
- 69 Legal and accounting activities2,573
- 70 Activities of head offices and management consultancy7,650
- 71 Architectural and engineering activities; technical testing and analysis1,570
- 72 Scientific research and development142
- 73 Activities of advertising, market research and public relations1,741
- 74 Other professional, scientific and technical activities558
- 75 Veterinary activities194
- 77 Rental and leasing activities319
- 78 Employment activities235
- 79 Travel agency, tour operator and other reservation service and related activities124
- 80 Investigation and security activities62
- 81 Services to buildings and landscape activities1,143
- 82 Office administrative, office support and other business support activities1,795
- 84 Public administration and defence; compulsory social security16
- 85 Education544
- 86 Human health activities4,953
- 87 Residential care activities104
- 88 Social work activities without accommodation191
- 90 Arts creation and performing arts activities397
- 91 Libraries, archives, museums and other cultural activities27
- 92 Gambling and betting activities22
- 93 Sports activities and amusement and recreation activities481
- 94 Activities of membership organisations117
- 95 Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles522
- 96 Personal service activities1,095
Municipalities with the most companies in the sector · Flemish Brabant
- 3001 Leuven (Heverlee)18
- 1731 Asse (Relegem, Zellik)6
- 1930 Zaventem (Nossegem)6
- 3000 Leuven4
- 1702 Dilbeek (Groot-Bijgaarden)3
- 1840 Londerzeel (Malderen, Steenhuffel)3
- 1620 Drogenbos2
- 1745 Opwijk (Mazenzele)2
- 1790 Affligem (Essene, Hekelgem, Teralfene)2
- 1831 Machelen (Brab.) (Diegem)2
- 1850 Grimbergen2
- 1932 Zaventem (Sint-Stevens-Woluwe)2
Frequently asked questions
Which is the largest company in Manufacture of computer, electronic and optical products in Flemish Brabant?
By total assets, it is Hitachi Energy Belgium (€187.2m, financial year 2026).
How many companies in Manufacture of computer, electronic and optical products in Flemish Brabant are ranked?
95 out of 97 active companies in the sector with their registered office in the area: those whose latest accounts are less than 3 years old.
Why does this ranking differ from other lists?
It uses each company's annual accounts as filed with the National Bank, not consolidated group accounts. A holding, a subsidiary or a purchasing entity can therefore appear separately. Only companies whose latest accounts are less than 3 years old are ranked.
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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.