1951 - The engineering firm Fritz in Dettingen on the Erms specializing in the field of drinking water supply / wastewater disposal and development planning was established by the engineering graduate Erwin Fritz.

1960 and 1965 - Establishment of the Denzlingen office (today Freiburg) and Weil on the Rhein with the responsibilities of designing and supervising the construction of water supply and wastewater disposal projects.

1971 - Jürgen Fritz (engineering graduate) joins the engineering firm Fritz. In the years that followed the activity fields of the engineering firm were expanded to include virtually all areas of the building industry.

1976 - Based on the increasing number of employees the main office in Dettingen on the Erms was relocated to the new office building in Bad Urach.

1978 - The engineering graduate Fritz takes over management of the Fritz Planung GmbH as managing partner.

1990 - Establishment of the office in Aalen for engineering services and electro-technology.

1995 - Establishment of the Fritz Technik GmbH & Co. KG with headquarters in Freiburg for implementation of general contractor projects with engineering graduate Peter Eberwein as managing director.

2001 - The appointment of engineering graduate Robert Stärr, engineering PhD Eduard Leiber and business graduate Karl Schmitt as managing directors of the Fritz Planung GmbH.

2007 - Gabriele Fritz becomes a partner in the Fritz Planung GmbH.

2008 - Karl Schmitt is chief executive officer.

2011 - 60 th anniversary: Key developments SUSTAINABILITY and ENERGY EFFICIENCY