The American College of Toxicology is a professional organization of about 1000 toxicologists who work in industry, pharmaceutical and biotech companies, government regulatory agencies, or as consultants. ACT provides a forum for a collegial exchange of information. ACT holds their Annual Meeting every November. Other educational opportunities include courses and webinars held throughout the year and around the globe. The latest scientific information of interest is published in the ACT journal, the International Journal of Toxicology.
You can also contact this organization via webform here.