ILS Holding

Integrated Laboratory Systems (ILS) is a specialized contract research organization (CRO) providing comprehensive services in toxicology, pathology, and environmental health. Headquartered in Research Triangle Park, North Carolina, the company supports both government and commercial clients in assessing the safety and efficacy of chemicals and pharmaceutical products. ILS is widely recognized for its long-standing partnership with the National Toxicology Program (NTP), where it provides critical research data for regulatory decision-making. The company's expertise spans in vivo and in vitro toxicology, genetic toxicology, histopathology, and computational modeling. In September 2021, ILS was acquired by Inotiv for approximately $56 million, integrating its specialized capabilities into Inotiv's global drug discovery and development platform. Today, ILS operates as a key component of Inotiv's discovery and development services division.