Ranking · Wallonia · NACE 20
Manufacture of chemicals and chemical products: the largest companies in Wallonia
As of 14 Nov 2026, 239 companies in Manufacture of chemicals and chemical products (NACE 20) in Wallonia publish total assets in recent accounts (financial years 2023 to 2026). The top 10 account for €3.71bn, out of €6.41bn for all of them; median total assets are €1.72m. Prayon leads with €861.8m (financial year 2025).
Top 50 · Manufacture of chemicals and chemical 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 | Prayon 4480 Engis | €861.8m | €874.4m | €202.2m | 1,082.8 | 2025 |
| 2 | Floridienne 1410 Waterloo | €826.6m | €14.9m | €777.6m | 5.4 | 2025 |
| 3 | INOVYN Manufacturing Belgium 5190 Jemeppe-sur-Sambre | €460.1m | €396.8m | €97.2m | 657.0 | 2025 |
| 4 | DOW Silicones Belgium 7180 Seneffe | €345.8m | €131.8m | €129.3m | 440.2 | 2025 |
| 5 | yara tertre sa/nv 7333 Saint-Ghislain | €277.7m | €308.5m | €127.1m | 288.8 | 2025 |
| 6 | Chemviron 7181 Seneffe | €232.4m | €136.5m | €129.6m | 180.8 | 2025 |
| 7 | Arysta Lifescience Benelux 4102 Seraing | €195.8m | €118.8m | €165.9m | 32.9 | 2026 |
| 8 | McBride 7730 Estaimpuis | €174.0m | €318.6m | €93.3m | 789.0 | 2025 |
| 9 | Sun Chemical 1300 Wavre | €169.9m | €243.3m | €73.8m | 66.6 | 2025 |
| 10 | Ampacet Belgium 6780 Messancy | €169.4m | €88.2m | €72.1m | 73.9 | 2025 |
| 11 | TotalEnergies Petrochemicals Feluy 7181 Seneffe | €160.5m | €74.0m | €98.2m | 385.7 | 2025 |
| 12 | Walagri 5140 Sombreffe | €145.2m | €194.9m | €70.4m | 144.6 | 2025 |
| 13 | Pranarom International 7822 Ath | €129.6m | €70.0m | €35.2m | 118.1 | 2025 |
| 14 | Turpaz Belgium 5380 Fernelmont | €123.6m | — | €2.58m | 4.8 | 2025 |
| 15 | L'Oreal Libramont 6800 Libramont-Chevigny | €116.9m | €235.5m | €16.6m | 395.1 | 2024 |
| 16 | Signode Belgium 6761 Virton | €107.4m | €121.4m | €94.5m | 124.4 | 2025 |
| 17 | Nouryon Chemicals 7011 Mons | €93.2m | €65.7m | €66.9m | 191.3 | 2025 |
| 18 | Eurenco Clermont 4480 Engis | €87.4m | €62.9m | €33.2m | 168.6 | 2025 |
| 19 | Sadaps Bardahl Additives & Lubricants 7522 Tournai | €86.1m | €111.1m | €59.0m | 192.8 | 2025 |
| 20 | Lonza Verviers 4800 Verviers | €79.6m | €96.4m | €62.4m | 180.4 | 2025 |
| 21 | INOVYN Belgium 5190 Jemeppe-sur-Sambre | €67.6m | €64.8m | €20.9m | 184.6 | 2025 |
| 22 | Rosier 7911 Frasnes-lez-Anvaing | €66.8m | €83.7m | €25.5m | 119.0 | 2025 |
| 23 | Hexpol Compounding 4700 Eupen | €63.6m | €32.7m | €57.1m | 54.7 | 2025 |
| 24 | Mosselman 7011 Mons | €56.5m | €69.0m | €46.8m | 44.9 | 2025 |
| 25 | Ineos Feluy 7181 Seneffe | €54.2m | €68.7m | €22.7m | 176.0 | 2025 |
| 26 | Afton Chemical 7191 Écaussinnes | €50.9m | €58.8m | €41.1m | 180.9 | 2025 |
| 27 | SA/NV Vandeputte Savonnerie - Zeepfabriek 7700 Mouscron | €50.3m | €91.0m | €9.43m | 204.0 | 2025 |
| 28 | Nyco-STPC 7503 Tournai | €49.2m | €103.7m | €25.7m | 116.7 | 2025 |
| 29 | Galactic 7760 Celles (lez-Tournai) | €48.6m | €50.2m | €22.0m | 138.0 | 2026 |
| 30 | KLK Tensachem 4102 Seraing | €44.4m | €123.9m | €16.4m | 107.7 | 2025 |
| 31 | Les Produits Purs de Courcelles 7180 Seneffe | €41.2m | €35.5m | €28.4m | 87.2 | 2025 |
| 32 | Cabot Plastics Belgium 4431 Ans | €35.9m | €23.8m | €29.0m | 101.6 | 2025 |
| 33 | Vibrantz Minerals 7334 Saint-Ghislain | €35.4m | €40.9m | €5.65m | 80.5 | 2025 |
| 34 | Benechim 7860 Lessines | €33.9m | €28.9m | €29.5m | 57.3 | 2025 |
| 35 | Silox Belgium 4480 Engis | €33.8m | €51.3m | €3.79m | 7.8 | 2025 |
| 36 | Timac Agro Belux 6030 Charleroi | €33.2m | €48.9m | €5.16m | 115.3 | 2025 |
| 37 | Systemhouse 7700 Mouscron | €30.4m | — | €16.8m | 15.3 | 2025 |
| 38 | Arysta LifeScience Ougrée Production 4102 Seraing | €29.7m | €27.7m | €22.8m | 96.3 | 2026 |
| 39 | Futerro 7760 Celles (lez-Tournai) | €29.6m | €2.87m | €15.4m | 27.7 | 2026 |
| 40 | Hydrometal 4480 Engis | €24.4m | €18.2m | €6.93m | 113.4 | 2025 |
| 41 | Michelman International Belgium 6790 Aubange | €24.2m | €45.7m | €17.5m | 31.8 | 2025 |
| 42 | Gabriel Technologie 7331 Saint-Ghislain | €22.8m | €26.2m | €10.1m | 46.3 | 2025 |
| 43 | Sarex Belgium 4731 Raeren | €22.8m | €22.0m | €20.0m | 26.3 | 2025 |
| 44 | Kitozyme 4040 Herstal | €22.4m | €7.09m | €17.2m | 27.2 | 2025 |
| 45 | Klüber Lubrication Benelux 7711 Mouscron | €21.9m | €65.2m | €10.9m | 116.6 | 2025 |
| 46 | Advachem 7334 Saint-Ghislain | €18.8m | €39.1m | €12.5m | 37.3 | 2025 |
| 47 | Eurodye-CTC 1370 Jodoigne | €18.3m | €13.5m | €9.15m | 26.8 | 2025 |
| 48 | Les Enrobes du Gerny 6900 Marche-en-Famenne | €16.8m | €18.3m | €4.18m | 61.8 | 2025 |
| 49 | Vital Materials Belgium 1495 Villers-la-Ville | €16.6m | €27.1m | €3.04m | 46.4 | 2024 |
| 50 | Univercells Technologies 1400 Nivelles | €16.2m | €6.09m | −19,970 € | 62.5 | 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 · 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
- 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
- 26 Manufacture of computer, electronic and optical products210
- 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
- 4480 Engis (Clermont-Sous-Huy, Ehein, Hermalle-Sous-Huy)8
- 1400 Nivelles (Monstreux)6
- 1410 Waterloo6
- 4000 Liège (Glain, Rocourt)6
- 7522 Tournai (Blandain, Hertain, Lamain, …)6
- 7700 Mouscron (Luingne)6
- 1348 Ottignies-Louvain-la-Neuve (Louvain-La-Neuve)5
- 6180 Courcelles5
- 7180 Seneffe5
- 4102 Seraing (Ougrée)4
- 5140 Sombreffe (Boignée, Ligny, Tongrinne)4
- 6220 Fleurus (Heppignies, Lambusart, Wangenies)4
Frequently asked questions
Which is the largest company in Manufacture of chemicals and chemical products in Wallonia?
By total assets, it is Prayon (€861.8m, financial year 2025).
How many companies in Manufacture of chemicals and chemical products in Wallonia are ranked?
239 out of 249 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.