Cameco, with its head office in Saskatoon, Saskatchewan, is the world’s largest producer of uranium and the largest supplier of combined uranium and conversion services. The company’s competitive position is based upon its controlling ownership of the world’s largest, high-grade reserves and low-cost operations. Cameco’s uranium products are used to generate clean electricity in nuclear power plants around the world including Ontario where the company has an interest in a partnership which generates nuclear electricity. The company also mines gold and explores for uranium and gold in North America, Australia and Asia. 

http://www.cameco.com/