How many companies in the “Sewage treatment plant” industry are there in Hesse?
The B2B database of dieanalysten GmbH alone lists more than 90 companies in the “Sewage treatment plant” industry in Hesse, Germany (October 2026). The number of companies in the “Sewage treatment plant” industry in Hesse is therefore at least 90. Hesse ranks #5 of 16 German states with 1.5 per 100,000 inhabitants (national average: 1.4).
Key figures Hesse
Cities in Hesse
→ Sewage treatment plant in all of Germany
Frequently asked questions
How many companies in the “Sewage treatment plant” industry are there in Hesse?
The B2B database of dieanalysten GmbH alone lists more than 90 companies in the “Sewage treatment plant” industry in Hesse, Germany (October 2026). The number of companies in the “Sewage treatment plant” industry in Hesse is therefore at least 90. Hesse ranks #5 of 16 German states with 1.5 per 100,000 inhabitants (national average: 1.4).
Where in Hesse are most companies in the “Sewage treatment plant” industry?
Most are located in Darmstadt (1), Diemelsee (1), Gernsheim (1).
Cite this number
The B2B database of dieanalysten GmbH alone lists more than 90 companies in the “Sewage treatment plant” industry in Hesse (source: dieanalysten B2B database, October 2026, https://www.dieanalysten.com/en/statistics/sewage-treatment-plant/hesse).
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 17, 2026.