January 1993: Foundation of Engineering company Kopischke & Partner mbH in Cottbus
September 1994: Foundation of Engineering company Versorgungs- und Anlagentechnik (IVA) in Schwarze Pumpe
April 1997: : Foundation of Engineering company Verfahrenstechnik & Anlagenbau (IVA) in Leipzig
Mai 1997: Foundation of Industrie- und Bergbau Planungsgesellschaft (IBP)
Januar 1999: Merger of the 4 engineering companies to eta AG
Januar 2007: New business field oriented organisation of the company group