Cameco Corporation is a Canadian uranium mining company that was founded in 1988. The company is headquartered in Saskatoon, Saskatchewan, Canada and has operations in Canada, the United States, and Kazakhstan. Cameco is one of the world's largest uranium producers, accounting for approximately 18% of global production.

Cameco's primary business is the mining and production of uranium, which is used as fuel in nuclear power plants. The company also produces and sells conversion services and fuel fabrication services. Cameco's customers include nuclear power utilities, which use the company's products to generate electricity.

Cameco is committed to sustainable development and environmental stewardship. The company has implemented a number of initiatives to reduce its environmental impact, including reducing greenhouse gas emissions, conserving water, and minimizing waste.

Cameco is listed on the Toronto Stock Exchange and the New York Stock Exchange under the ticker symbol "CCJ". The company has a market capitalization of approximately CAD 7.5 billion as of August 2021.