美国ILS, Inc  
ILS总部设在北卡罗来纳州，成立于1985年,主要想联邦和商业客户提供研究支持。其核心功能包括调查毒理学、遗传毒理学、分子生物学、病理学、环境和信息科学的服务。

Advancing Science, Improving Lives. ILS is a leading life sciences services company that provides research support to federal and commercial clients. Among ILS’ core capabilities are investigative toxicology, genetic toxicology, molecular biology, histopathology, and environmental and information science services. These services are provided to a host of clients, including the National Institute of Environmental Health Sciences, and the U.S. Environmental Protection Agency. Based in Research Triangle Park, NC, ILS was founded by Chairman Dr. Thomas. K. Rao in 1985 and has 170 employees.