Sector · NACE 23

Manufacture of other non-metallic mineral products

1,509 Belgian companies whose main activity falls under NACE code 23 have filed annual accounts. Their median solvency is 46.2% for financial year 2024.

Companies1,509
Median solvency46.2%
Median equity300,342 €
Median headcount (FTE)6.2
Founded in the last 3 years56

Sector medians

Computed by Idonis

Distribution across the sector's companies for financial year 2024: a quarter of companies sit below the 1st quartile, half below the median, three quarters below the 3rd quartile.

Indicator1st quartileMedian3rd quartileCompanies
Solvency 22.9%46.2%70.0% 1,383
Current ratio 0.991.583.02 1,361
ROE 0.7%8.1%20.2% 1,252
Equity 61,699 €300,342 €€1.33m 1,392
Total assets 229,649 €806,062 €€3.27m 1,390
Net result −736 €20,477 €106,910 € 1,389
Headcount (avg FTE) 2.06.219.6 840

Medians computed by Idonis from annual accounts filed with the National Bank, all sizes combined. The same panel is the sector benchmark on every company page. Method

Largest companies: Manufacture of other non-metallic mineral products

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

#Company Total assetsRevenue EquityFTEYear
1 AGC Glass Europe 1348 Ottignies-Louvain-la-Neuve €2.22bn €487.2m €397.3m 1,968.2 2025
2 Lhoist 1342 Ottignies-Louvain-la-Neuve €2.13bn €674.6m €1.33bn 107.0 2025
3 Lhoist Industrie 6900 Marche-en-Famenne €1.34bn €30.5m €1.33bn 93.8 2025
4 Heidelberg Materials Benelux 1420 Braine-l'Alleud €1.05bn €602.9m €688.8m 1,350.8 2025
5 Ciner Glass Belgium 3920 Lommel €455.4m — €73.1m 53.0 2025
6 Holcim (Belgique) - Holcim (Belgie) 1401 Nivelles €442.4m €305.5m €122.0m 635.3 2025
7 Eternit 1880 Kapelle-op-den-Bos €346.5m €163.6m €171.2m 524.4 2025
8 AGC Automotive Europe 1348 Ottignies-Louvain-la-Neuve €346.1m €743.9m €114.9m 133.7 2025
9 Wienerberger 8500 Kortrijk €325.8m €352.1m €175.8m 1,174.9 2025
10 Etex Building Performance 2830 Willebroek €296.3m €145.4m €136.6m 256.0 2025
11 NGK Ceramics Europe SA 7331 Saint-Ghislain €296.2m €78.8m €277.4m 319.2 2026
12 Saint-Gobain Construction Products Belgium 9130 Beveren-Kruibeke-Zwijndrecht €280.4m €394.2m €151.6m 348.2 2025
13 Holcim GO4Zero 1401 Nivelles €252.5m — €36.7m — 2025
14 Knauf Insulation 4600 Visé €244.6m €186.2m €177.4m 445.3 2025
15 Vandersanden Steenfabrieken 3740 Bilzen-Hoeselt €214.7m €132.8m €73.2m 352.4 2025
16 Pittsburgh Corning Europe 3980 Tessenderlo-Ham €181.0m €170.8m €132.2m 343.0 2025
17 Saint-Gobain Innovative Materials Belgium 1300 Wavre €180.5m €142.7m €97.3m 508.3 2025
18 TRBA 7600 Péruwelz €129.8m €181.5m €32.8m 450.6 2025
19 Gerresheimer Momignies 6590 Momignies €120.9m €100.2m €31.6m 698.9 2025
20 3B-Fibreglass 4651 Herve €115.9m €182.0m €57.3m 387.9 2025

“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.

Manufacture of other non-metallic mineral products: rankings by region and province

The largest companies in the sector in each region and province, by municipality of the registered office. A ranking is published once 10 companies in the sector publish the figure there.

AreaTotal assetsRevenueHeadcount
Flanders LargestRevenueEmployers
Wallonia LargestRevenueEmployers
Brussels Largest—Employers
Antwerp province LargestRevenueEmployers
Flemish Brabant Largest—Employers
Limburg LargestRevenueEmployers
East Flanders LargestRevenueEmployers
West Flanders LargestRevenueEmployers
Walloon Brabant LargestRevenueEmployers
Hainaut LargestRevenueEmployers
Liège province LargestRevenueEmployers
Luxembourg province Largest—Employers
Namur province Largest—Employers

Sub-sectors

Frequently asked questions

How many Manufacture of other non-metallic mineral products companies are there in Belgium?

1,509 Belgian companies whose main activity falls under NACE code 23 (Manufacture of other non-metallic mineral products) have filed annual accounts with the National Bank.

What is the median solvency in Manufacture of other non-metallic mineral products?

For financial year 2024, median solvency (equity over total assets) is 46.2%. The middle half of companies lies between 22.9% and 70.0% (1,383 companies).

What is the largest company in Manufacture of other non-metallic mineral products?

By total assets, it is AGC Glass Europe (€2.22bn, financial year 2025).

Where are Manufacture of other non-metallic mineral products companies based?

The municipalities with the most: Anderlecht (13), Sint-Niklaas (13), Brecht (12).

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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 13 Nov 2026.