Investing in Cadmium
Cadmium is a transition metal used in batteries and pigments. It is an impurity of zinc, and is isolated during that element's production.
Teck Cominco (NYSE: TCK) - Their specialty metals division produces cadmium, bismuth, germanium, and indium.
5N Plus (TSX: VNP) - http://www.5nplus.com/
American Elements - http://www.americanelements.com/cd.html - Cadmium metal, cadmium acetate, cadmium bromide, cadmium chloride, cadmium fluoride, cadmium iodide, cadmium nitrate, cadmium oxide, cadmium sulfate, and cadmium telluride.