Manufacture of chemicals and chemical products: the largest employers in Flemish Brabant
As of 14 Nov 2026, 29 companies in Manufacture of chemicals and chemical products (NACE 20) in Flemish Brabant report employees in recent accounts (financial years 2025 to 2026). The 10 largest employers account for 2,606.8 FTE, out of 3,265.6 for all of them; median headcount is 54.9 FTE. Citribel leads with 338.8 FTE (financial year 2025).
Top 29 · Manufacture of chemicals and chemical products · Flemish Brabant
Ranked by average headcount (FTE) reported in the latest filed accounts (accounts less than 3 years old).
| # | Company | Total assets | Revenue | Equity | FTE | Year |
|---|---|---|---|---|---|---|
| 1 | Citribel 3300 Tienen | €110.8m | €91.8m | €78.1m | 338.8 | 2025 |
| 2 | L'Air liquide Belge 1932 Zaventem | €86.7m | €126.7m | €43.8m | 304.7 | 2025 |
| 3 | Akzo Nobel Paints Belgium 1800 Vilvoorde | €145.2m | €145.1m | €46.9m | 300.3 | 2025 |
| 4 | Allnex Belgium 1620 Drogenbos | €1.89bn | €202.7m | €891.1m | 299.7 | 2025 |
| 5 | Carpenter Engineered Foams Belgium 1831 Machelen (Brab.) | €94.4m | €59.1m | €34.7m | 292.8 | 2025 |
| 6 | Air Liquide Industries Belgium 1932 Zaventem | €475.8m | €573.8m | €265.2m | 269.4 | 2025 |
| 7 | Air Products 1831 Machelen (Brab.) | €704.4m | €220.8m | €631.3m | 258.3 | 2025 |
| 8 | JSR Micro 3001 Leuven | €144.7m | €174.6m | €109.6m | 213.1 | 2026 |
| 9 | integrated DNA technologies 3001 Leuven | €27.4m | €57.2m | €15.4m | 175.8 | 2025 |
| 10 | Bayer 1831 Machelen (Brab.) | €5.56bn | €175.2m | €5.53bn | 153.9 | 2025 |
| 11 | Arvesta Belgium 3012 Leuven | €80.0m | €112.1m | €55.4m | 150.6 | 2025 |
| 12 | Fenzi Belgium 1800 Vilvoorde | €42.5m | €88.4m | €32.3m | 100.7 | 2025 |
| 13 | Ecolab 1853 Grimbergen | €105.6m | €48.6m | €93.0m | 94.7 | 2025 |
| 14 | Fuchs Lubricants Benelux N.V./S.A. 1654 Beersel | €34.0m | €43.9m | €14.0m | 77.3 | 2025 |
| 15 | Air Liquide Large Industry 1932 Zaventem | €164.3m | €283.6m | €125.7m | 54.9 | 2025 |
| 16 | Sensient Flavors Belgium 3001 Leuven | €23.0m | €23.6m | €20.5m | 48.9 | 2025 |
| 17 | Balchem 1850 Grimbergen | €34.6m | €32.4m | €10.6m | 36.7 | 2025 |
| 18 | Unil Lubricants 1600 Sint-Pieters-Leeuw | €7.93m | €9.46m | €2.95m | 24.5 | 2025 |
| 19 | Bolton Belgium 1831 Machelen (Brab.) | €18.5m | €37.6m | €4.55m | 17.3 | 2025 |
| 20 | H.S.H. Aerospace Finishes 1731 Asse | €2.81m | — | €1.53m | 11.9 | 2025 |
| 21 | International Aquatreat C° 3200 Aarschot | €29.2m | — | €27.7m | 9.9 | 2025 |
| 22 | BCA 1742 Ternat | 723,253 € | — | −85,112 € | 7.7 | 2025 |
| 23 | Anhybel 3300 Tienen | 874,273 € | — | 33,761 € | 7.0 | 2025 |
| 24 | Adley 1830 Machelen (Brab.) | €2.72m | — | €1.07m | 6.0 | 2025 |
| 25 | B-Coat 1840 Londerzeel | €1.15m | — | 467,473 € | 4.6 | 2025 |
| 26 | Biographic 3290 Diest | €2.04m | — | €1.80m | 3.7 | 2025 |
| 27 | Nanoskin 1785 Merchtem | 372,624 € | — | −15,453 € | 1.0 | 2025 |
| 28 | Belcrop 3400 Landen | €4.94m | €6.32m | €3.51m | 0.8 | 2025 |
| 29 | Duurzaam Rotsvast Vertrouwen 3210 Lubbeek | 139,817 € | — | 83,158 € | 0.6 | 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. Headcount reported by the company for all its sites: the jobs may be located elsewhere.
“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.
Manufacture of chemicals and chemical products across Belgium → All sectors · Flemish Brabant →
Other sectors · Flemish Brabant
- 01 Crop and animal production, hunting and related service activities186
- 10 Manufacture of food products245
- 11 Manufacture of beverages30
- 13 Manufacture of textiles16
- 16 Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials40
- 17 Manufacture of paper and paper products24
- 18 Printing and reproduction of recorded media63
- 22 Manufacture of rubber and plastic products42
- 23 Manufacture of other non-metallic mineral products45
- 24 Manufacture of basic metals11
- 25 Manufacture of fabricated metal products, except machinery and equipment158
- 26 Manufacture of computer, electronic and optical products50
- 27 Manufacture of electrical equipment31
- 28 Manufacture of machinery and equipment n.e.c.90
- 29 Manufacture of motor vehicles, trailers and semi-trailers16
- 30 Manufacture of other transport equipment10
- 31 Manufacture of furniture59
- 32 Other manufacturing64
- 33 Repair, maintenance and installation of machinery and equipment73
- 37 Sewerage12
- 38 Waste collection, recovery and disposal activities34
- 41 Construction of residential and non-residential buildings578
- 42 Civil engineering84
- 43 Specialised construction activities1,405
- 46 Wholesale trade1,557
- 47 Retail trade1,707
- 49 Land transport and transport via pipelines531
- 51 Air transport11
- 52 Warehousing, storage and support activities for transportation112
- 53 Postal and courier activities33
- 55 Accommodation75
- 56 Food and beverage service activities1,274
- 58 Publishing activities40
- 59 Motion picture, video and television programme production, sound recording and music publishing activities62
- 61 Telecommunication32
- 62 Computer programming, consultancy and related activities590
- 63 Computing infrastructure, data processing, hosting and other information service activities37
- 64 Financial service activities, except insurance and pension funding229
- 66 Activities auxiliary to financial services and insurance activities292
- 68 Real estate activities439
- 69 Legal and accounting activities479
- 70 Activities of head offices and management consultancy543
- 71 Architectural and engineering activities; technical testing and analysis264
- 72 Scientific research and development38
- 73 Activities of advertising, market research and public relations177
- 74 Other professional, scientific and technical activities51
- 75 Veterinary activities56
- 77 Rental and leasing activities63
- 78 Employment activities49
- 79 Travel agency, tour operator and other reservation service and related activities41
- 80 Investigation and security activities22
- 81 Services to buildings and landscape activities286
- 82 Office administrative, office support and other business support activities146
- 85 Education106
- 86 Human health activities483
- 87 Residential care activities91
- 88 Social work activities without accommodation133
- 90 Arts creation and performing arts activities47
- 91 Libraries, archives, museums and other cultural activities14
- 93 Sports activities and amusement and recreation activities110
- 94 Activities of membership organisations64
- 95 Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles152
- 96 Personal service activities282
Municipalities with the most companies in the sector · Flemish Brabant
- 1831 Machelen (Brab.) (Diegem)5
- 1932 Zaventem (Sint-Stevens-Woluwe)5
- 3300 Tienen (Bost, Goetsenhoven, Hakendover, …)4
- 1800 Vilvoorde (Peutie)3
- 3001 Leuven (Heverlee)3
- 1560 Hoeilaart2
- 1600 Sint-Pieters-Leeuw (Oudenaken, Sint-Laureins-Berchem)2
- 1731 Asse (Relegem, Zellik)2
- 1785 Merchtem (Brussegem, Hamme)2
- 1840 Londerzeel (Malderen, Steenhuffel)2
- 1853 Grimbergen (Strombeek-Bever)2
- 3080 Tervuren (Duisburg, Vossem)2
Frequently asked questions
Which is the largest employer in Manufacture of chemicals and chemical products in Flemish Brabant?
Among companies, Citribel, with 338.8 full-time equivalents reported (financial year 2025).
Are all the jobs located in the area?
Not necessarily: headcount is reported by the company for all its sites, and the company is ranked by the address of its registered office. 29 out of 59 companies in the sector report employees there.
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.
Analyse companies · Flemish Brabant
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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.