Offers project-management for mammalian in vivo testing, with national and international registration authorities, and reference materials for toxicity studies. Includes consultancy in animal health and nutrition from Niederbipp, Switzerland.

Consultants in the assessment and interpretation of the consequences of environmental exposures of chemicals to human health. Based in Washington DC.

Consulting business, specializing in neurotoxicology and neurophysiologic tests. Lists areas of expertise and contacts in Cincinnati, Ohio.

Independent toxicology and regulatory affairs consultancy, since 1997. Includes areas of expertise, case studies, related links, staff profiles and contacts in Auckland, New Zealand.

Directory of consulting services offering expertise through its network of toxicologists. Includes book list, news items, discussion forum member companies, login and feedback form.