Fritz Junge founded a file manufacturer in Auerbach/Saxony.

The company settles with a small salt bath heat treatment in the area of Herzberg/Harz.

In the industrial area Aue in Herzberg/Harz, a new salt bath heat treatment line is constructed.

In order to round off the services provided, the construction of a mechanical production commences.

The step-by-step realisation of heat treatment possibilities using gas, vacuum and plasma begin.

The heat treatment company Wolf in Bremen is taken over and the subsequent renaming to Härtereitechnik Bremen GmbH, with a new building in Stuhr occurs.

Addition heat treatment capacities are created via a new site in Norderstedt/Hamburg.

All three sites are renamed to Gruppe HEAT, as well as the entire group receiving certification according to DIN EN ISO 9002 QS 9000 and 6.1 rules.

Certification according to DIN EN ISO 9002: 1994 and ISO/TS 16949:1999 (in alignment with VDA 6.1 and QS 9000) is successfully completed.

Certification according to DIN EN ISO 9001: 2000 and the routine surveillance audit ISO/TS 16949:1999 is approved.

Successful certification according to ISO/TS 16949:2002 and the routine surveillance audit according to DIN EN ISO 9001:2000.

Together with the company Cieffe, a two-chamber nitriding and nitrocarburising system with high-pressure gas quenching is developed.

With the company UKM Antriebstechnik GmbH, Gruppe HEAT SAXONY GmbH in Reinsberg is founded.

Gruppe HEAT THALE GmbH is founded. Gruppe HEAT THALE GmbH is part of the competence centre for the automotive industry.

The company celebrates its 75th anniversary with grand festivities.

Construction of the production site in Turkey.

Production in Thale is merged with the company headquarters in Herzberg.