| 1903 |
Foundation of the company "Bornkessel" and construction of today's administration building |
| 1956 |
Specialization on the production of analog measuring instruments under the new company name Messtechnik Mellenbach |
| 1972 |
Nationalization of the company and integration in the combine telecommunication of the GDR |
| 1990 | Re-privatization of the company by the trust company Berlin |
| 1991 | Acquisition of the company by today's manager Hilmar Kraus and change of the production programs in transformers and electronic power supplies |
| 1998 | Changing the company's name into MTM Power Messtechnik Mellenbach GmbH |
| 2000 | Construction of a new hall for the production of electronic power supply modules, thereby increase of the capacity of production from now 100.000 up to 500.000 units p.a. by running one shift |
| 2001 | Acquiring of the company schiller electronic |
| 2006 | Modification of a former porcellain factory as new production facility for the manufacture of coils, filters and large equipments in the nearby Unterweißbach |
| 2008 | Extension of the production hall for electronic power supplies and thus doubling the production area to 5.500 m² |
