WNTI is a global industrial organisation for all segments of radioactive materials transport. WNTI is the only body dedicated to presenting the industry point of view on radioactive materials transport matters from an international perspective. Member companies are drawn from a wide range of industry sectors, including major utilities, fuel producers and fabricators, transport companies, package producers, and the production and supply of large radiation sources. Through WNTI, companies are working together to promote a sound international framework for the future by helping to build international consensus, co-operation and understanding.
http://www.wnti.co.uk/home.aspx