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