1931 - Isolierrohrfabrik Max Drossbach.
Mr. Dipl.-Kaufmann Max Drossbach leaded the company through the difficult World War II years and exited a quick development in the post-war period. The original production line was mostly replaced by new, forward-looking and self-developed products. Mr. Max Drossbach actively participated up to his old age at the company's operation, which he designed and formed during his 40-years function. He was awarded with the golden citizen medal of the city Rain am Lech. The street in which DROSSBACH head office is located was named after him. Mr. Max Drossbach passed away January 1971 at the age of 81.