World Largest and Top Uranium Companies List by Market Cap of July 2023

Cameco Corporation is a Nuclear Energy and Mining company. It is a leading supplier of uranium refining, conversion and fuel manufacturing services. The company produce more than 53 million pounds of uranium concentrates annually backed by 461 million pounds of proven and probable mineral reserves. The headquarters is in Canada.

National Atomic Company Kazatomprom is the national operator of the Republic of Kazakhstan for the import and export of uranium, rare metals, nuclear fuel for nuclear power plants company. It involved in the front end of the nuclear fuel cycle from geological exploration, uranium mining and production of nuclear fuel cycle through to scientific research and development of patented technologies. The headquarters is in Kazakhstan.

NexGen Energy is a Canadian company focused on optimally developing the Rook I Project into the largest low cost producing uranium mine globally. The headquarters is in Canada.

Paladin Energy Limited is a significant uranium miner and exploration company. The headquarters is in Australia.

Uranium Energy is a fastest growing uranium mining company. The headquarters is in USA.

Denison is a uranium exploration and development company with headquarters in Canada.
 

Energy & Fuels is the U.S. producer of uranium, the fuel for carbon and emission free nuclear energy company. The headquarters is in USA.