Water collection, treatment and supply: the largest companies in East Flanders
As of 14 Nov 2026, 12 companies in Water collection, treatment and supply (NACE 36) in East Flanders publish total assets in recent accounts (financial years 2024 to 2025). The top 10 account for €3.82bn, out of €3.82bn for all of them; median total assets are 451,162 €. Farys leads with €3.81bn (financial year 2025).
Top 12 · Water collection, treatment and supply · East Flanders
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 | Farys 9000 Ghent | €3.81bn | €576.9m | €2.04bn | 974.0 | 2025 |
| 2 | KWOnet 9070 Destelbergen | €2.83m | — | 587,627 € | — | 2025 |
| 3 | Grundfos Water Treatment Belgium 9810 Nazareth-De Pinte | €2.24m | — | 887,812 € | 16.9 | 2024 |
| 4 | Hydroconcept 9230 Wetteren | €1.45m | — | €1.39m | — | 2025 |
| 5 | SWP International 9860 Oosterzele | 938,367 € | — | 682,923 € | — | 2025 |
| 6 | Soder 9600 Ronse | 560,875 € | — | 408,004 € | — | 2025 |
| 7 | Pulvi 9900 Eeklo | 341,449 € | — | 221,971 € | — | 2024 |
| 8 | O-Claire 9860 Oosterzele | 172,829 € | — | 20,903 € | — | 2025 |
| 9 | Group Natec Belgium 9500 Geraardsbergen | 130,759 € | — | 68,759 € | — | 2025 |
| 10 | CE & BE 9000 Ghent | 76,705 € | — | 15,333 € | 0.5 | 2025 |
| 11 | Cobalt Water EU 9000 Ghent | 30,817 € | — | 4,106 € | — | 2025 |
| 12 | Valpromic 9032 Ghent | 13,496 € | — | −421,916 € | — | 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.
Water collection, treatment and supply across Belgium → All sectors · East Flanders →
Other sectors · East Flanders
- 01 Crop and animal production, hunting and related service activities1,004
- 02 Forestry and logging43
- 08 Other mining and quarrying13
- 10 Manufacture of food products795
- 11 Manufacture of beverages98
- 13 Manufacture of textiles175
- 14 Manufacture of wearing apparel79
- 15 Manufacture of leather and related products of other materials16
- 16 Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials238
- 17 Manufacture of paper and paper products52
- 18 Printing and reproduction of recorded media325
- 20 Manufacture of chemicals and chemical products146
- 21 Manufacture of basic pharmaceutical products and pharmaceutical preparations81
- 22 Manufacture of rubber and plastic products123
- 23 Manufacture of other non-metallic mineral products232
- 24 Manufacture of basic metals57
- 25 Manufacture of fabricated metal products, except machinery and equipment882
- 26 Manufacture of computer, electronic and optical products95
- 27 Manufacture of electrical equipment107
- 28 Manufacture of machinery and equipment n.e.c.255
- 29 Manufacture of motor vehicles, trailers and semi-trailers64
- 30 Manufacture of other transport equipment25
- 31 Manufacture of furniture228
- 32 Other manufacturing164
- 33 Repair, maintenance and installation of machinery and equipment520
- 35 Electricity, gas, steam and air conditioning supply131
- 37 Sewerage32
- 38 Waste collection, recovery and disposal activities138
- 39 Remediation activities and other waste management service activities32
- 41 Construction of residential and non-residential buildings2,554
- 42 Civil engineering796
- 43 Specialised construction activities7,924
- 46 Wholesale trade4,896
- 47 Retail trade5,351
- 49 Land transport and transport via pipelines1,584
- 50 Water transport53
- 51 Air transport39
- 52 Warehousing, storage and support activities for transportation423
- 53 Postal and courier activities109
- 55 Accommodation382
- 56 Food and beverage service activities3,202
- 58 Publishing activities178
- 59 Motion picture, video and television programme production, sound recording and music publishing activities325
- 60 Programming, broadcasting, news agency and other content distribution activities35
- 61 Telecommunication49
- 62 Computer programming, consultancy and related activities4,086
- 63 Computing infrastructure, data processing, hosting and other information service activities515
- 64 Financial service activities, except insurance and pension funding4,362
- 65 Insurance, reinsurance and pension funding, except compulsory social security32
- 66 Activities auxiliary to financial services and insurance activities1,172
- 68 Real estate activities6,689
- 69 Legal and accounting activities2,828
- 70 Activities of head offices and management consultancy8,003
- 71 Architectural and engineering activities; technical testing and analysis2,350
- 72 Scientific research and development169
- 73 Activities of advertising, market research and public relations1,387
- 74 Other professional, scientific and technical activities737
- 75 Veterinary activities251
- 77 Rental and leasing activities493
- 78 Employment activities226
- 79 Travel agency, tour operator and other reservation service and related activities140
- 80 Investigation and security activities61
- 81 Services to buildings and landscape activities1,085
- 82 Office administrative, office support and other business support activities2,178
- 84 Public administration and defence; compulsory social security32
- 85 Education534
- 86 Human health activities5,697
- 87 Residential care activities133
- 88 Social work activities without accommodation184
- 90 Arts creation and performing arts activities461
- 91 Libraries, archives, museums and other cultural activities18
- 92 Gambling and betting activities33
- 93 Sports activities and amusement and recreation activities551
- 94 Activities of membership organisations107
- 95 Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles637
- 96 Personal service activities847
Municipalities with the most companies in the sector · East Flanders
Frequently asked questions
Which is the largest company in Water collection, treatment and supply in East Flanders?
By total assets, it is Farys (€3.81bn, financial year 2025).
How many companies in Water collection, treatment and supply in East Flanders are ranked?
12 out of 12 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 · East Flanders
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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.