| 14.05.1986 | HTV founded by Edbill Grote and Thilo Tröller
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| Middle of 1989 | Move into own company building with approx. 1200 m² usable floor space
|
| Middle of 1996 | Extension of usable floor space to approx. 2400 m² in second construction phase
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| Beginning of 2001 | Extension of usable floor space to approx. 4500 m² in third construction phase
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| Middle of 2006 | Further extension of usable floor space to approx. 6500 m² in fourth construction phase
|
| 2007 | acquisition of the MAF GmbH in Frankfurt/Oder
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| 2008 | construction of the special maximum-security building for the long-term conservation. Acquisition of the ertec Gmbh in Erlangen
|
| Actual | At present we employ over 200 employees, thereof 25 test-engineers, 8 R&D engineers,
and 5 sales engineers |

