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.

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.

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.

Energy & Fuels is the leading U.S. producer of uranium, the fuel for carbon and emission free nuclear energy company. The company annual revenue is 1.6 million USD and 94 employees as on 2020. The headquarters is in USA.

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

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

Energy Resources of Australia Ltd is the Nuclear Energy Industry and Uranium Industries company. The company annual revenue is 193 million AUD for year ending December 2021. The headquarters is in Australia.