Ranking · Flemish Brabant · NACE 94

Activities of membership organisations: the largest companies in Flemish Brabant

As of 14 Nov 2026, 117 companies in Activities of membership organisations (NACE 94) in Flemish Brabant publish total assets in recent accounts (financial years 2023 to 2025). The top 10 account for €240.5m, out of €458.8m for all of them; median total assets are 888,387 €. De Paters Dominicanen leads with €42.2m (financial year 2025).

Top 50 · Activities of membership organisations · Flemish Brabant

Ranked by total assets in the latest filed accounts. This is a size criterion, not an assessment.

#Company Total assetsRevenue EquityFTEYear
1 De Paters Dominicanen 3000 Leuven €42.2m — €39.5m — 2025
2 De la Salle Noord-België 1702 Dilbeek €37.1m — €34.8m 0.9 2025
3 3Wplus 1730 Asse €32.6m — €1.20m 25.0 2025
4 Vereniging der Religieuzen Dominikanessen 3210 Lubbeek €24.5m — €24.5m 0.6 2025
5 Zusters Missionarissen van het Onbevlekt Hart van Maria 3001 Leuven €22.3m — €18.1m 24.4 2025
6 De Europese Vereniging voor Humane Reproductie en Embryologie 1853 Grimbergen €22.0m — €21.5m 23.1 2025
7 Klooster der Zwartzusters-Augustinessen van Halle 1500 Halle €16.8m — €16.8m 4.4 2025
8 Ferm 3018 Leuven €14.9m 549,276 € €6.54m 68.0 2025
9 Instituut van het Heillig Hart 3001 Leuven €14.6m — €12.6m 6.3 2025
10 Abdij der Norbertijnen van Grimbergen 1850 Grimbergen €13.5m — €11.0m 6.6 2025
11 Autonoom gemeentebedrijf Zemst 1980 Zemst €12.6m — 77,560 € — 2025
12 Boerenbond 3000 Leuven €10.8m €1.74m €3.41m 147.7 2025
13 Arktos 3000 Leuven €10.4m 238,591 € €4.44m 246.3 2025
14 unie van het kmo-bouwbedrijf 1800 Vilvoorde €10.3m — €4.83m 21.2 2025
15 Rikolto International 3000 Leuven €10.2m 9,150 € €3.14m 9.7 2025
16 Congrégation chrétienne des Témoins de Jéhovah - Christelijke gemeente van Jehovah's Getuigen 1950 Kraainem €8.51m — €7.93m — 2025
17 Vereniging der Paters der Heilige Harten 3000 Leuven €8.48m — €8.48m 2.3 2025
18 Provincialaat Zusters van Don Bosco 1702 Dilbeek €8.27m — €5.63m 1.6 2025
19 The Ahmadiyya Muslim Association 1700 Dilbeek €7.74m — €6.31m 6.8 2024
20 Hijas de Maria-Paridaens 3052 Oud-Heverlee €6.90m — €6.90m 1.5 2025
21 Filosofisch en Theologisch College der Societeit van Jesus 3001 Leuven €6.81m — €6.46m 23.5 2025
22 ALS Liga Belgie VZW 3000 Leuven €6.74m 5,558 € €6.63m 5.9 2025
23 Missio - Pauselijke missiewerken 3000 Leuven €6.30m — €5.93m 4.0 2025
24 Syndicat National du Personnel de Police et de Sécurité 1932 Zaventem €5.81m — €4.99m 7.8 2025
25 creamoda 1731 Asse €5.60m — €4.05m 6.1 2025
26 MISSIONARISSEN LAZARISTEN VAN SINT VINCENTIUS A PAULO - Missionnaires Lazaristes de Saint-Vincent de Paul 3000 Leuven €4.70m — €4.69m 0.2 2023
27 Fedelec 3070 Kortenberg €4.43m 11,264 € €4.43m — 2025
28 Zusters van de H. Franciscus van Borchtlombeek 1760 Roosdaal €3.84m — €3.78m — 2025
29 Vrouwennet - netwerk van actieve en ondernemende vrouwen 1800 Vilvoorde €3.80m — €2.47m 16.4 2025
30 Association des Entrepreneurs Belges de Grands Travaux 1932 Zaventem €3.61m — €2.83m 4.0 2025
31 Zenne en Dijle 3010 Leuven €3.47m — €3.46m 0.3 2025
32 Jan Schonkeren 1930 Zaventem €3.22m — €3.17m 4.0 2025
33 Nationaal Verbond van Zelfstandige Elektriciens en Handelaars in Elektrische Toestellen 1800 Vilvoorde €2.95m — €2.76m 7.2 2025
34 Innodia 3000 Leuven €2.93m 545,092 € €2.75m 4.0 2025
35 Davidsfonds 3220 Holsbeek €2.92m — €1.16m 19.9 2025
36 Vlaamse Jonge Ondernemingen 3001 Leuven €2.67m — €1.74m 20.9 2025
37 Aide à l'église en Dètresse 3001 Leuven €2.54m — €2.44m 7.7 2025
38 European Society for Sexual Medicine 1932 Zaventem €2.52m — €2.40m — 2025
39 Ingvar van Droogenbroeck 1730 Asse €2.47m — €1.51m — 2025
40 Katholieke Landelijke Jeugd & Groene Kring VZW 3000 Leuven €2.44m — 823,677 € 30.8 2025
41 BRS 3000 Leuven €2.41m — €2.40m — 2025
42 Unie van Zelfstandige Ondernemers, Vlaams-Brabant & Brussel 3000 Leuven €2.30m — €1.14m 12.1 2025
43 Boerenbond Projecten 3000 Leuven €2.10m — 576,487 € 27.6 2025
44 Priesters van het H. Hart, regio Vlaanderen 1970 Wezembeek-Oppem €1.85m — €1.79m 1.8 2025
45 Landelijke Gilden 3000 Leuven €1.75m — — 35.4 2025
46 European Association for Research on Learning and Instruction 3000 Leuven €1.70m €1.14m €1.60m 2.6 2025
47 Ferdinand Verbiest Stichting Leuven 3000 Leuven €1.58m — €1.33m 4.4 2024
48 Fédération belge de l'Entretien du Textile - Federatie van Belgische Textiel verzorging 1731 Asse €1.51m — €1.45m 3.3 2025
49 Congodorpen 3000 Leuven €1.50m 128 € 228,726 € 3.8 2025
50 Union Professionnelle belge des technologies orthopédiques 1800 Vilvoorde €1.40m — €1.28m 1.0 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.

Activities of membership organisations across Belgium → All sectors · Flemish Brabant →

Other sectors · Flemish Brabant

Municipalities with the most companies in the sector · Flemish Brabant

Frequently asked questions

Which is the largest company in Activities of membership organisations in Flemish Brabant?

By total assets, it is De Paters Dominicanen (€42.2m, financial year 2025).

How many companies in Activities of membership organisations in Flemish Brabant are ranked?

117 out of 128 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.