| Responsible for content: | Michael Hake |
| Management: | Wolfgang Dorfmüller |
| Klaus Dorfmüller | |
| Michael Hake | |
| Address: | David Dorfmüller Söhne GmbH & Co. KG |
| Dreherstraße 22 | |
| 42899 Remscheid | |
| Tel.: +49 (0) 2191-694 20 -0 | |
| Fax: +49 (0) 2191-694 20 -51 | |
| E-Mail:info@david-dorfmueller.de | |
| Register of companies: | David Dorfmüller Söhne GmbH & Co. KG |
| HRA 17716 Wuppertal | |
| Dorfmüller & Co. Verwaltungs-GmbH | |
| HRB 11010 Wuppertal | |
| VAT-No.: | DE 120803518 |