Eurotox - Association of European Toxicologists and European Societies of Toxicology. Aims to foster toxicology, both scientifically and educationally in all countries of Europe.

Society of Toxicologic Pathologists - Non-profit association of pathologists for advancement of pathology as it pertains to changes elicited by pharmacological, chemical and environmental agents.

Edinburgh Center for Toxicology - Offers on-line course in Toxicology.

Society of Toxicology - Professional organization of scientists from academic institutions, government, and industry representing scientists who practice toxicology.

Tox Logic - Consultants in the assessment and interpretation of the consequences of environmental exposures of chemicals to human health.

Toxicology Excellence for Risk Assessment - Non-profit corporation dedicated to the best use of toxicity data for risk assessment. Site has toxicity data and information on risk methodologies.

California Association of Toxicologists - A professional and educational association of forensic and clinical toxicologists throughout North America and the world.

SERAMBO - Open association of natural resource and human health managers and researchers concerned about the interrelationships between environmental changes and human health.

Society of Forensic Toxicologists - An organization composed of practicing forensic toxicologists and those interested in the discipline for the purpose of promoting and developing forensic toxicology.