ILS, an Inotiv Company

American contract research and scientific services company at Research Triangle Park in North Carolina, bought by Inotiv in 2021 and working largely for federal agencies. Runs genetic toxicology and in vitro toxicology testing, alternative and new approach methodologies, systematic review and risk assessment support, biostatistics and data management, and provides scientific and technical support to the National Toxicology Program and other government research programmes.