How many companies in the “Heat treatment” industry are there in Germany?
The B2B database of dieanalysten GmbH alone lists more than 160 companies in the “Heat treatment” industry in Germany (October 2026). The total number of companies in the “Heat treatment” industry in Germany is therefore at least 160. Most are located in North Rhine-Westphalia (66), Baden-Württemberg (35), Bavaria (17).
Key figures
Companies by federal state
| State | Number | Share | per 100,000 inh. |
|---|---|---|---|
| North Rhine-Westphalia | 66 | 40% | 0.4 |
| Baden-Württemberg | 35 | 21% | 0.3 |
| Bavaria | 17 | 10% | 0.1 |
| Saxony | 10 | 6% | 0.2 |
| Thuringia | 5 | 3% | 0.2 |
| Hesse | 5 | 3% | 0.1 |
| Saxony-Anhalt | 3 | 2% | 0.1 |
| Schleswig-Holstein | 3 | 2% | 0.1 |
| Lower Saxony | 3 | 2% | 0.0 |
| Bremen | 2 | 1% | 0.3 |
| Saarland | 2 | 1% | 0.2 |
| Berlin | 2 | 1% | 0.1 |
| Rhineland-Palatinate | 2 | 1% | 0.0 |
| Brandenburg | 1 | 1% | 0.0 |
| Hamburg | 0 | 0% | 0.0 |
| Mecklenburg-Western Pomerania | 0 | 0% | 0.0 |
| Germany | 167 | 100% | 0.2 |
Cities with the most companies in the “Heat treatment” industry
Digitalization
28% of companies in the “Heat treatment” 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 “Heat treatment” industry are there in Germany?
The B2B database of dieanalysten GmbH alone lists more than 160 companies in the “Heat treatment” industry in Germany (October 2026). The total number of companies in the “Heat treatment” industry in Germany is therefore at least 160. Most are located in North Rhine-Westphalia (66), Baden-Württemberg (35), Bavaria (17).
Which German cities have the most companies in the “Heat treatment” industry?
Hagen (7), Lüdenscheid (3), Nuremberg (3), Berlin (2), Bochum (2).
How many companies in the “Heat treatment” industry in Germany have a website?
72% have their own website, 70% 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 160 companies in the “Heat treatment” industry in Germany (source: dieanalysten B2B database, October 2026, https://www.dieanalysten.com/en/statistics/heat-treatment).
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.