The familiy business in the second generation relies on quality for over 40 years.

In 1973 the lab was founded by Wolfram Piorr and Fresenius at Hockenheim. From 1981 on, the laboratory Wolfram Piorr is extent successfully .

In 1999 Claudia Piorr takes over the lab and replenished the portfolio.

Since 2001 Claudia Piorr is publicly appointed and sworn by the IHK Rhein Neckar.

In 2006 the lab moves in a new building at Neulußheim.