American Galvanizers Association (AGA) 

American Society of Testing and Materials (ASTM)

American Zinc Association (AZA)

CRU International Ltd.

International Council on Mining & Metals (ICMM)  

International Lead Zinc Research Organization (ILZRO)

International Lead & Zinc Study Group (ILZSG) 

International Zinc Association( IZA) 

London Metal Exchange (LME)  

North American Die Casting Association (NADCA)