Corrositex
- Tests for in vitro determination of dermal or skin corrosivity of chemicals, replacing the DOT / EPA / FHSA rabbit test, and allowing packing group classification. Includes pricing and contacts in Spinnerstown, Pennsylvania.
- http://corrositex.mbresearchlabs.com/

Cells4research AB.
- Offering human hepatocytes, S9 and microsomes as in vitro models for ADMET studies in pre-clinical pharmaceutical research from Stockholm, Sweden.
- http://www.cells4research.com/

Fauna Laboratories, Ltd.
- Manufacturer of spider, scorpion, insect venoms and toxins since 1991, offers bulk sales, customized items, including arachnological expertise, arthropod collections for museums and education, from Almaty, Kazakhstan.
- http://www.faunalabs.com/

Latoxan
- Company specializing in the production of venoms and toxins for research and industry. Lists alkaloids, ion channel and receptor ligands and toxins, worldwide distributors and their laboratories in Valence, France.
- http://www.latoxan.com/

Molecular Toxicology Inc
- Manufacturer of media and metabolic activation products for in vitro research and product testing to GMP. Includes contacts for Asian and European distributors, and facilities in Boone, North Carolina.
- http://www.moltox.com/

MatTek Corp.
- Offers in vitro human skin and corneal models, related microscopy accessories, and tissue matrices under development to assess dermal irritancy and toxicity for anatomical targets. Includes technical references, and support at Ashland, Massachusetts.
- http://www.mattek.com/pages/in_vitro_toxicology