Roxane Laboratories, a US-based subsidiary of Germany's Boehringer Ingelheim, oversees the development, manufacturing, and marketing of its parent company's multisource (generic) drugmaking business in the US. It sells about 75 medications in 250 package sizes, focusing on oral liquids, sustained-release and controlled-release tablets, cancer drugs, and nasal sprays. It also distributes narcotics, such as meperidine (generic Demerol) and methadone. Products developed and marketed by Roxane are manufactured by its sister company, Boehringer Inghelheim Roxane, also located in Columbus, Ohio.