Cameco Corporation is a uranium supplier serving the global nuclear energy industry, providing the material needed to help generate clean, reliable baseload electricity worldwide. The company operates through three reportable segments: Uranium, Fuel Services, and Westinghouse, with the Westinghouse segment contributing the largest share of revenue. Its Uranium segment covers the exploration, mining, milling, purchasing, and sale of uranium concentrate. The Fuel Services segment includes the refining, conversion, and fabrication of uranium concentrate, as well as the purchase and sale of conversion services. Through Westinghouse Electric Company, Cameco also delivers products and services for nuclear reactors, including outage and maintenance services, engineering support, instrumentation and control equipment, plant modifications, and components and parts.