How many companies in the “Water treatment systems – manufacturing” industry are there in Germany?
The B2B database of dieanalysten GmbH alone lists more than 300 companies in the “Water treatment systems – manufacturing” industry in Germany (October 2026). The total number of companies in the “Water treatment systems – manufacturing” industry in Germany is therefore at least 300. Most are located in Baden-Württemberg (75), Bavaria (65), North Rhine-Westphalia (64).
Key figures
Companies by federal state
| State | Number | Share | per 100,000 inh. |
|---|---|---|---|
| Baden-Württemberg | 75 | 22% | 0.7 |
| Bavaria | 65 | 19% | 0.5 |
| North Rhine-Westphalia | 64 | 19% | 0.4 |
| Hesse | 27 | 8% | 0.4 |
| Lower Saxony | 27 | 8% | 0.3 |
| Rhineland-Palatinate | 17 | 5% | 0.4 |
| Saxony | 12 | 3% | 0.3 |
| Brandenburg | 9 | 3% | 0.4 |
| Saxony-Anhalt | 9 | 3% | 0.4 |
| Schleswig-Holstein | 9 | 3% | 0.3 |
| Berlin | 6 | 2% | 0.2 |
| Thuringia | 5 | 1% | 0.2 |
| Saarland | 4 | 1% | 0.4 |
| Hamburg | 4 | 1% | 0.2 |
| Mecklenburg-Western Pomerania | 3 | 1% | 0.2 |
| Bremen | 0 | 0% | 0.0 |
| Germany | 344 | 100% | 0.4 |
Cities with the most companies in the “Water treatment systems – manufacturing” industry
Digitalization
23% of companies in the “Water treatment systems – manufacturing” industry have no website of their own.
Related industries
- Metal construction19,103
- Roofing membranes and bitumen felt – manufacturing30,609
- Printing company15,175
- Printed products and paper – manufacturing13,236
- Mechanical engineering16,228
- Building materials – manufacturing14,326
- Food and beverage – manufacturing13,216
- Optics, precision mechanics, medical technology – manufacturing11,133
- Building components – manufacturing11,007
- Steel and metal construction5,329
- Prefabricated wooden houses and timber components – manufacturing5,106
- Metalworking9,414
- Metal goods – manufacturing9,348
- Food – manufacturing7,927
- Stamped and formed parts – manufacturing7,644
- Plastic goods – manufacturing7,445
Frequently asked questions
How many companies in the “Water treatment systems – manufacturing” industry are there in Germany?
The B2B database of dieanalysten GmbH alone lists more than 300 companies in the “Water treatment systems – manufacturing” industry in Germany (October 2026). The total number of companies in the “Water treatment systems – manufacturing” industry in Germany is therefore at least 300. Most are located in Baden-Württemberg (75), Bavaria (65), North Rhine-Westphalia (64).
Which German cities have the most companies in the “Water treatment systems – manufacturing” industry?
Berlin (5), Hamburg (4), Achern (3), Duisburg (3), Bayreuth (2).
How many companies in the “Water treatment systems – manufacturing” industry in Germany have a website?
77% have their own website, 68% an email address.
How current is this number?
It is recalculated daily from the current database. Last update: October 18, 2026. Businesses in liquidation or with a recognizable closure are not counted.
Cite this number
The B2B database of dieanalysten GmbH alone lists more than 300 companies in the “Water treatment systems – manufacturing” industry in Germany (source: dieanalysten B2B database, October 2026, https://www.dieanalysten.com/en/statistics/water-treatment-systems-manufacturing).
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 18, 2026.