Ranking · Wallonia · NACE 26
Manufacture of computer, electronic and optical products: the largest companies in Wallonia
As of 14 Nov 2026, 210 companies in Manufacture of computer, electronic and optical products (NACE 26) in Wallonia publish total assets in recent accounts (financial years 2023 to 2026). The top 10 account for €1.54bn, out of €1.97bn for all of them; median total assets are 532,590 €. Ion Beam Applications leads with €709.9m (financial year 2025).
Top 50 · Manufacture of computer, electronic and optical products · Wallonia
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 | Ion Beam Applications 1348 Ottignies-Louvain-la-Neuve | €709.9m | €439.7m | €195.5m | 1,010.3 | 2025 |
| 2 | EVS 4102 Seraing | €268.5m | €188.1m | €193.8m | 442.7 | 2025 |
| 3 | Thales Alenia Space Belgium 6032 Charleroi | €211.7m | €60.0m | €72.6m | 485.2 | 2025 |
| 4 | Valeo Vision Belgique 7822 Ath | €84.2m | €94.7m | −€41.5m | 553.0 | 2025 |
| 5 | Rolls-Royce Solutions Liège 4460 Grâce-Hollogne | €66.7m | €47.9m | €18.3m | 139.1 | 2025 |
| 6 | Samantree Medical 4340 Awans | €53.9m | — | €39.1m | 5.2 | 2025 |
| 7 | Vesuvius Group 7011 Mons | €53.2m | €94.2m | €30.0m | 146.7 | 2025 |
| 8 | Sunrise 5101 Namur | €43.9m | — | €40.7m | 15.9 | 2025 |
| 9 | Euresys 4102 Seraing | €27.2m | €19.2m | €18.5m | 62.9 | 2025 |
| 10 | IP Trade 4000 Liège | €21.8m | €10.4m | €19.2m | 22.0 | 2026 |
| 11 | Belgian Advanced Technology Systems 4031 Liège | €21.1m | €8.74m | €1.20m | 8.4 | 2025 |
| 12 | Euro Heat Pipes 1400 Nivelles | €18.5m | €4.67m | 962,421 € | 89.5 | 2025 |
| 13 | intoPIX 1348 Ottignies-Louvain-la-Neuve | €15.7m | €6.26m | €10.2m | 38.0 | 2026 |
| 14 | Advanced Mechanical and Optical Systems 4031 Liège | €13.8m | €34.9m | €4.52m | 76.9 | 2025 |
| 15 | GM Association 1470 Genappe | €13.5m | — | €2.56m | 27.6 | 2025 |
| 16 | Societe Liegeoise de Micro - Informatique 4432 Ans | €13.2m | €37.2m | €1.39m | 124.0 | 2025 |
| 17 | SEE Telecom 1401 Nivelles | €12.7m | €16.8m | €2.96m | 38.4 | 2024 |
| 18 | Bemac 4432 Ans | €12.2m | €18.9m | €6.83m | 110.7 | 2025 |
| 19 | e-peas 1348 Ottignies-Louvain-la-Neuve | €11.7m | — | €8.19m | 30.1 | 2025 |
| 20 | JEMA 1348 Ottignies-Louvain-la-Neuve | €11.2m | €15.7m | €4.26m | 50.4 | 2025 |
| 21 | Orthodyne 4432 Ans | €11.1m | €10.1m | €6.30m | 47.6 | 2025 |
| 22 | Ampacimon 4000 Liège | €11.1m | €3.64m | €8.70m | 38.9 | 2025 |
| 23 | X-RIS 4102 Seraing | €10.8m | — | €4.23m | 32.0 | 2025 |
| 24 | HMS Industrial Networks 1400 Nivelles | €9.72m | €24.0m | €5.10m | 71.2 | 2025 |
| 25 | Teledyne ICM 4821 Dison | €9.57m | €12.8m | €7.49m | 37.7 | 2025 |
| 26 | Dalemans S.A. 4350 Remicourt | €9.01m | €9.29m | €4.51m | 52.2 | 2025 |
| 27 | Integrated Solutions Enterprise Europe 1410 Waterloo | €8.90m | €12.4m | €7.75m | 2.1 | 2025 |
| 28 | Alarmes Coquelet 7340 Colfontaine | €8.00m | — | €6.30m | 20.0 | 2025 |
| 29 | ME Group Belgium 1480 Tubize | €7.80m | €7.99m | €2.96m | 18.8 | 2024 |
| 30 | Jumo Automation 4700 Eupen | €7.51m | €7.80m | €6.60m | 37.4 | 2025 |
| 31 | Logi + 6041 Charleroi | €7.37m | — | €2.59m | 27.5 | 2025 |
| 32 | Lambda-X Ophthalmics 1400 Nivelles | €7.04m | — | €3.96m | 9.6 | 2025 |
| 33 | Ingram Micro Services 7110 La Louvière | €6.61m | — | €5.66m | 10.2 | 2025 |
| 34 | Optec 7080 Frameries | €6.38m | — | 307,380 € | 16.7 | 2025 |
| 35 | Uptime ICT 4460 Grâce-Hollogne | €5.88m | €15.8m | −€1.39m | 29.2 | 2025 |
| 36 | TSF Belgique 4432 Ans | €5.68m | — | €3.54m | 10.6 | 2025 |
| 37 | Mecalec SMD 4100 Seraing | €5.42m | — | €4.72m | 29.5 | 2025 |
| 38 | AARDEX Group 4102 Seraing | €5.13m | — | €2.63m | 9.7 | 2025 |
| 39 | CEFALY Technology 4000 Liège | €4.85m | €14.0m | −€16.0m | 4.1 | 2025 |
| 40 | Atelier Luxus 4920 Aywaille | €4.72m | — | €2.25m | 36.7 | 2025 |
| 41 | Euromi Biosciences 4821 Dison | €4.58m | — | −617,517 € | 0.9 | 2025 |
| 42 | Rochester Sensors 1300 Wavre | €4.33m | — | €2.47m | 27.0 | 2024 |
| 43 | Thermibel 7110 La Louvière | €4.25m | — | €1.71m | 29.2 | 2025 |
| 44 | Community Europe 5590 Ciney | €4.24m | — | €1.30m | 9.6 | 2025 |
| 45 | Serel Industrie 4432 Ans | €3.77m | — | €2.69m | 10.3 | 2025 |
| 46 | Sensy 6040 Charleroi | €3.75m | — | 912,377 € | 38.3 | 2025 |
| 47 | Cepya-Electronics 5330 Assesse | €3.70m | — | 500,333 € | 12.4 | 2024 |
| 48 | NC+ 4841 Welkenraedt | €3.66m | — | €1.29m | 21.6 | 2025 |
| 49 | A.N.B. Rimex 4040 Herstal | €3.60m | — | €1.29m | 12.7 | 2025 |
| 50 | Myocene 4020 Liège | €3.51m | 297,061 € | €1.33m | 4.0 | 2025 |
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 · Wallonia →
Other sectors · Wallonia
- 01 Crop and animal production, hunting and related service activities2,551
- 02 Forestry and logging541
- 03 Fishing and aquaculture31
- 08 Other mining and quarrying121
- 09 Mining support service activities17
- 10 Manufacture of food products1,478
- 11 Manufacture of beverages275
- 13 Manufacture of textiles155
- 14 Manufacture of wearing apparel101
- 15 Manufacture of leather and related products of other materials18
- 16 Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials442
- 17 Manufacture of paper and paper products57
- 18 Printing and reproduction of recorded media532
- 20 Manufacture of chemicals and chemical products239
- 21 Manufacture of basic pharmaceutical products and pharmaceutical preparations179
- 22 Manufacture of rubber and plastic products196
- 23 Manufacture of other non-metallic mineral products441
- 24 Manufacture of basic metals140
- 25 Manufacture of fabricated metal products, except machinery and equipment1,528
- 27 Manufacture of electrical equipment185
- 28 Manufacture of machinery and equipment n.e.c.379
- 29 Manufacture of motor vehicles, trailers and semi-trailers114
- 30 Manufacture of other transport equipment56
- 31 Manufacture of furniture278
- 32 Other manufacturing409
- 33 Repair, maintenance and installation of machinery and equipment654
- 35 Electricity, gas, steam and air conditioning supply276
- 36 Water collection, treatment and supply19
- 37 Sewerage67
- 38 Waste collection, recovery and disposal activities297
- 39 Remediation activities and other waste management service activities29
- 41 Construction of residential and non-residential buildings4,193
- 42 Civil engineering477
- 43 Specialised construction activities12,039
- 46 Wholesale trade8,104
- 47 Retail trade12,950
- 49 Land transport and transport via pipelines1,819
- 50 Water transport41
- 51 Air transport53
- 52 Warehousing, storage and support activities for transportation567
- 53 Postal and courier activities126
- 55 Accommodation1,322
- 56 Food and beverage service activities6,704
- 58 Publishing activities410
- 59 Motion picture, video and television programme production, sound recording and music publishing activities595
- 60 Programming, broadcasting, news agency and other content distribution activities69
- 61 Telecommunication130
- 62 Computer programming, consultancy and related activities5,398
- 63 Computing infrastructure, data processing, hosting and other information service activities468
- 64 Financial service activities, except insurance and pension funding3,810
- 65 Insurance, reinsurance and pension funding, except compulsory social security111
- 66 Activities auxiliary to financial services and insurance activities2,334
- 68 Real estate activities12,723
- 69 Legal and accounting activities5,344
- 70 Activities of head offices and management consultancy12,300
- 71 Architectural and engineering activities; technical testing and analysis3,981
- 72 Scientific research and development396
- 73 Activities of advertising, market research and public relations2,471
- 74 Other professional, scientific and technical activities1,209
- 75 Veterinary activities727
- 77 Rental and leasing activities793
- 78 Employment activities299
- 79 Travel agency, tour operator and other reservation service and related activities262
- 80 Investigation and security activities133
- 81 Services to buildings and landscape activities1,907
- 82 Office administrative, office support and other business support activities2,358
- 84 Public administration and defence; compulsory social security39
- 85 Education1,500
- 86 Human health activities14,912
- 87 Residential care activities736
- 88 Social work activities without accommodation561
- 90 Arts creation and performing arts activities659
- 91 Libraries, archives, museums and other cultural activities86
- 92 Gambling and betting activities46
- 93 Sports activities and amusement and recreation activities1,303
- 94 Activities of membership organisations326
- 95 Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles1,290
- 96 Personal service activities1,967
Municipalities with the most companies in the sector · Wallonia
- 1348 Ottignies-Louvain-la-Neuve (Louvain-La-Neuve)12
- 4000 Liège (Glain, Rocourt)9
- 1410 Waterloo8
- 1400 Nivelles (Monstreux)7
- 4102 Seraing (Ougrée)6
- 1300 Wavre (Limal)5
- 1420 Braine-l'Alleud5
- 4020 Liège (Bressoux, Jupille-Sur-Meuse, Wandre)5
- 4031 Liège (Angleur)5
- 4432 Ans (Alleur, Xhendremael)5
- 1435 Mont-Saint-Guibert (Corbais, Hévillers)4
- 4040 Herstal4
Frequently asked questions
Which is the largest company in Manufacture of computer, electronic and optical products in Wallonia?
By total assets, it is Ion Beam Applications (€709.9m, financial year 2025).
How many companies in Manufacture of computer, electronic and optical products in Wallonia are ranked?
210 out of 218 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.