Manufacture of chemicals and chemical products: the largest companies in Flemish Brabant
As of 14 Nov 2026, 56 companies in Manufacture of chemicals and chemical products (NACE 20) in Flemish Brabant publish total assets in recent accounts (financial years 2024 to 2026). The top 10 account for €9.55bn, out of €10.2bn for all of them; median total assets are €2.38m. Bayer leads with €5.56bn (financial year 2025).
Top 50 · Manufacture of chemicals and chemical 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 | Bayer 1831 Machelen (Brab.) | €5.56bn | €175.2m | €5.53bn | 153.9 | 2025 |
| 2 | Allnex Belgium 1620 Drogenbos | €1.89bn | €202.7m | €891.1m | 299.7 | 2025 |
| 3 | Air Products 1831 Machelen (Brab.) | €704.4m | €220.8m | €631.3m | 258.3 | 2025 |
| 4 | Air Liquide Industries Belgium 1932 Zaventem | €475.8m | €573.8m | €265.2m | 269.4 | 2025 |
| 5 | Procter en Gamble Manufacturing Belgium 1853 Grimbergen | €183.2m | €73.6m | €127.3m | — | 2024 |
| 6 | ISK Biosciences Europe 1831 Machelen (Brab.) | €168.1m | €199.3m | €79.9m | — | 2025 |
| 7 | Air Liquide Large Industry 1932 Zaventem | €164.3m | €283.6m | €125.7m | 54.9 | 2025 |
| 8 | Akzo Nobel Paints Belgium 1800 Vilvoorde | €145.2m | €145.1m | €46.9m | 300.3 | 2025 |
| 9 | JSR Micro 3001 Leuven | €144.7m | €174.6m | €109.6m | 213.1 | 2026 |
| 10 | Citribel 3300 Tienen | €110.8m | €91.8m | €78.1m | 338.8 | 2025 |
| 11 | Ecolab 1853 Grimbergen | €105.6m | €48.6m | €93.0m | 94.7 | 2025 |
| 12 | Carpenter Engineered Foams Belgium 1831 Machelen (Brab.) | €94.4m | €59.1m | €34.7m | 292.8 | 2025 |
| 13 | L'Air liquide Belge 1932 Zaventem | €86.7m | €126.7m | €43.8m | 304.7 | 2025 |
| 14 | Arvesta Belgium 3012 Leuven | €80.0m | €112.1m | €55.4m | 150.6 | 2025 |
| 15 | Docpharma 1560 Hoeilaart | €48.2m | — | €36.6m | — | 2025 |
| 16 | Fenzi Belgium 1800 Vilvoorde | €42.5m | €88.4m | €32.3m | 100.7 | 2025 |
| 17 | Balchem 1850 Grimbergen | €34.6m | €32.4m | €10.6m | 36.7 | 2025 |
| 18 | Fuchs Lubricants Benelux N.V./S.A. 1654 Beersel | €34.0m | €43.9m | €14.0m | 77.3 | 2025 |
| 19 | International Aquatreat C° 3200 Aarschot | €29.2m | — | €27.7m | 9.9 | 2025 |
| 20 | Pomagro 3300 Tienen | €28.0m | €23.7m | €24.7m | — | 2025 |
| 21 | integrated DNA technologies 3001 Leuven | €27.4m | €57.2m | €15.4m | 175.8 | 2025 |
| 22 | Sensient Flavors Belgium 3001 Leuven | €23.0m | €23.6m | €20.5m | 48.9 | 2025 |
| 23 | Bolton Belgium 1831 Machelen (Brab.) | €18.5m | €37.6m | €4.55m | 17.3 | 2025 |
| 24 | Unil Lubricants 1600 Sint-Pieters-Leeuw | €7.93m | €9.46m | €2.95m | 24.5 | 2025 |
| 25 | Belcrop 3400 Landen | €4.94m | €6.32m | €3.51m | 0.8 | 2025 |
| 26 | Caroline van der Perre 1840 Londerzeel | €4.34m | — | €2.09m | — | 2025 |
| 27 | H.S.H. Aerospace Finishes 1731 Asse | €2.81m | — | €1.53m | 11.9 | 2025 |
| 28 | Adley 1830 Machelen (Brab.) | €2.72m | — | €1.07m | 6.0 | 2025 |
| 29 | Biographic 3290 Diest | €2.04m | — | €1.80m | 3.7 | 2025 |
| 30 | D.R.D. II 3120 Tremelo | €1.79m | — | −60,509 € | — | 2025 |
| 31 | B-Coat 1840 Londerzeel | €1.15m | — | 467,473 € | 4.6 | 2025 |
| 32 | Anhybel 3300 Tienen | 874,273 € | — | 33,761 € | 7.0 | 2025 |
| 33 | Firma Paul Thiry 3020 Herent | 825,661 € | — | 376,158 € | — | 2025 |
| 34 | BCA 1742 Ternat | 723,253 € | — | −85,112 € | 7.7 | 2025 |
| 35 | Apotheek Haemels 3080 Tervuren | 541,379 € | — | 204,464 € | — | 2025 |
| 36 | FAM. Coosemans 1560 Hoeilaart | 405,067 € | — | 340,690 € | — | 2025 |
| 37 | Nanoskin 1785 Merchtem | 372,624 € | — | −15,453 € | 1.0 | 2025 |
| 38 | Duurzaam Rotsvast Vertrouwen 3210 Lubbeek | 139,817 € | — | 83,158 € | 0.6 | 2025 |
| 39 | Imperplex 3010 Leuven | 115,315 € | — | 60,773 € | — | 2025 |
| 40 | W. 58 1502 Halle | 89,136 € | — | 82,326 € | — | 2025 |
| 41 | Creaflex 3300 Tienen | 80,922 € | — | 70,728 € | — | 2025 |
| 42 | Chrometra Scientific 3470 Kortenaken | 72,995 € | — | 20,027 € | — | 2025 |
| 43 | L'Esprit de Caro 3000 Leuven | 63,227 € | — | −18,328 € | — | 2025 |
| 44 | Conscio 3080 Tervuren | 45,038 € | — | −35,030 € | — | 2025 |
| 45 | 13.8 1861 Meise | 39,795 € | — | 34,208 € | — | 2025 |
| 46 | Healant 1932 Zaventem | 34,146 € | — | 1,293 € | — | 2025 |
| 47 | Vanbox 1730 Asse | 19,953 € | — | 11,944 € | — | 2025 |
| 48 | MoAc Global 1785 Merchtem | 19,124 € | — | −8,586 € | — | 2025 |
| 49 | VECOSA – Essentoil Balms 1770 Liedekerke | 6,428 € | — | −21,561 € | — | 2025 |
| 50 | Hydro Coatings Invest 1731 Asse | 4,295 € | — | 956 € | — | 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 chemicals and chemical 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
- 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
- 26 Manufacture of computer, electronic and optical products95
- 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
- 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 company in Manufacture of chemicals and chemical products in Flemish Brabant?
By total assets, it is Bayer (€5.56bn, financial year 2025).
How many companies in Manufacture of chemicals and chemical products in Flemish Brabant are ranked?
56 out of 59 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.
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.