Bayer AG is a German multinational chemical and pharmaceutical company founded in Barmen (today a part of Wuppertal), Germany in 1863. It is headquartered in Leverkusen, North Rhine-Westphalia, Germany, where its illuminated sign is a landmark. Bayer's primary areas of business include human and veterinary pharmaceuticals, consumer healthcare products, agricultural chemicals and biotechnology products, and high value polymers. The company is a component of the Euro Stoxx 50 stock market index.