Middendorf GmbH

The company was founded in 1977 as a distributor for timing systems of an American manufacturer as a one-man business.

CYTOX performs biological testing of medical devices, cosmetics, textiles, laquers and consumer products. Since 2001 we attend clients concerning their toxicological questions to their products. Our test procedures are performed according to ISO and

The Eckert & Ziegler Group is one of the world's largest providers of isotope technology for medical, scientific and industrial use. The core businesses of the Group are cancer therapy, industrial radiometry and nuclear-medical imaging. The three bus