LINK
- AALAS (American Association for Laboratory Animal Science)
- ASCCT (The American Society for Cellular and Computational Toxicology)
- Alternative Methods Databases
- AltTox.org (Non-animal Methods for Toxicity Testing)
- AltWeb (Alternatives to Animal Testing)
- ANZCCART (Australian and New Zealand Council for the Care of Animals in Research and Teaching)
- AWI Laboratory Animals
- Beijing Administration Office of Laboratory Animal
- CAAT (Johns Hopkins University Center for Alternatives to Animal Testing
- Canadian Council on Animal Care (Ottawa)
- Center for Animal Welfare, Univ. of California Davis
- ECVAM (European Centre for the Validation of Alternative Methods)
- ESTIV (European Society of Toxicology in Vitro)
- ETS (The Estonian Society of Toxicology)
- Foundation Research 3R (Switzerland)
- FRAME (Fund for the Replacement of Animals in Medical Experiments)
- ICCVAM (The Interagency Coordinating Committee on the Validation of Alternative Methods) and NICEATM(The National Toxicology Program Interagency Center for the Evaluation of Alternative Toxicological Methods)
- IIVS (The Institute of In Vitro Sciences)
- ILAR (Institute for Laboratory Animal Research)
- JaCVAM (Japanese Center for the Validation of Alternative Methods (in Japanese)
- NetVet (Resources Relating to Laboratory Animals and Their Welfare)
- NKCA (Netherlands Knowledge Centre on Alternatives to animal use)
- NORINA (Norwegian Reference Centre for Laboratory Animal Science Alternatives)
- OLAW (Office of Laboratory Animal Welfare, NIH)
- SCAW (Scientists Center for Animal Welfare)
- UFAW (Universities Federation for Animal Welfare)
- USDA/APHIS (Animal and Plant Health Inspection Services, U.S. Dept. of Agriculture)
- ZEBET (Centre for Documentation and Evaluation of Alternatives to Animal Experiments)