BTL develops methods and testing protocols for registration of pesticides and transgenic plants, including breeding of model organisms to test the impact of pesticides, studies on resistance, tolerance, environment and behaviour. Overview includes list of publications from Sagerheide, Germany.

Contract research organization focused on in vitro toxicity screening of potential drug candidates and chemicals, based near Macclesfield, England.

Safety testing for the pharmaceuticals, crop protection chemicals, food and veterinary industries, with resources on three continents. Includes company overview, animal welfare record, and locations in Europe and North America.

CRO offering toxicological studies on drugs, agrochemicals, biological, according to national and international guidelines. Includes mutagenicity testing, details of in-vivo species, including ecotoxicity models, and contacts in Pune and Mumbia, India.

Offering acute toxicity, pharmacological, analytical chemistry, product safety testing, and alternative in vitro methods, featuring local lymph node assay. USDA licensed with EPA and FDA inspections, in GLP facilities at Spinnerstown, Pennsylvania.

Offers research and testing, including pharmacology and analytical chemistry, to the chemical, pharmaceutical, personal care, animal health, biotechnology industries. Includes service range and contacts in Dayton, New Jersey.