Sanofi-Aventis Deutschland GmbH is the largest employer at Industriepark Höchst. Sanofi, one of the world's healthcare leaders, has 9,500 employees at its German subsidiary. 7,400 of them work in basic research and drug development at Industriepark Höchst. They produce active pharmaceutical ingredients, manufacture medicines and medical products, and supply patients all over the world.
Sanofi has specialized in diabetes treatment for more than 85 years. At Industriepark Höchst, it operates one of the world's largest, most advanced production facilities for insulin. This is also where it manufactures the active ingredients for an important blood pressure medication and one of the United States' best-selling hay fever remedies. Worldwide, Sanofi has core strengths in diabetes, vaccines, innovative drugs, rare diseases, consumer healthcare, and emerging markets.