Cameco Corporation is one of the world's largest uranium producers, a significant supplier of conversion services and one of two CANDU fuel manufacturers in Canada. Their competitive position is based on their controlling ownership of the world's largest high-grade reserves and low-cost operations. Their uranium products are used to generate clean electricity in nuclear power plants around the world. They also explore for uranium in the Americas, Australia and Asia. Their shares trade on the Toronto and New York stock exchanges. Their head office is in Saskatoon, Saskatchewan.