Business Statistics
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Business statistics · October 10, 2026

How many companies in the “Building waterproofing” industry are there in North Rhine-Westphalia?

more than 400

The B2B database of dieanalysten GmbH alone lists more than 400 companies in the “Building waterproofing” industry in North Rhine-Westphalia, Germany (October 2026). North Rhine-Westphalia ranks #1 of 16 German states with 2.4 per 100,000 inhabitants (national average: 2.3).

Key figures North Rhine-Westphalia

443businesses in the database
#1 of 16rank among German states
2.4per 100,000 inhabitants (Germany: 2.3)

Cities in North Rhine-Westphalia

Dortmund23
Essen17
Cologne14
Düsseldorf9
Siegburg8
Bochum7
Duisburg7
Mönchengladbach7
Unna7
Herne6

→ Building waterproofing in all of Germany

Frequently asked questions

How many companies in the “Building waterproofing” industry are there in North Rhine-Westphalia?

The B2B database of dieanalysten GmbH alone lists more than 400 companies in the “Building waterproofing” industry in North Rhine-Westphalia, Germany (October 2026). North Rhine-Westphalia ranks #1 of 16 German states with 2.4 per 100,000 inhabitants (national average: 2.3).

Where in North Rhine-Westphalia are most companies in the “Building waterproofing” industry?

Most are located in Dortmund (23), Essen (17), Cologne (14).

Cite this number

Suggested citation
The B2B database of dieanalysten GmbH alone lists more than 400 companies in the “Building waterproofing” industry in North Rhine-Westphalia (source: dieanalysten B2B database, October 2026, https://adressen.dieanalysten.com/en/statistics/building-waterproofing/north-rhine-westphalia).

The statistics are licensed under CC BY 4.0: free to use, including commercially, with attribution “dieanalysten” and a link.

Method: businesses in the database of dieanalysten GmbH minus a 5% safety margin; businesses in liquidation or with a recognizable closure are excluded. See methodology. As of October 10, 2026.