Martin Siewert

Part of Sanofi, Hoechst GmbH is a German company that manufactures and sells drugs. The company is based in Frankfurt, Germany. The CEO of the company is Fabrizio Guidi.

Sanofi-Aventis Deutschland GmbH engages in the development, manufacture, and packaging of medicines, as well as pharmaceutical products. It also focuses on the research into the causes of diseases and the search for its drug treatment. The company was founded in 2004 and is headquartered in Frankfurt, Germany.

Aventis Pharma Deutschland GmbH produces pharmaceutical products. It offers prescription drugs, human vaccines, and therapeutic proteins businesses. Aventis Pharma Deutschland plans and designs plants and process control systems in the areas of active ingredients production and finished drugs. The company is headquartered in Frankfurt am Main, Germany.