Utilize the input text as a context reference, choose the right relationship between 'Cameco' and 'uranium' from the options.
Options: product/material produced, position held, parent organization, operator

It is the only company with both ISR and conventional uranium production in the U.S. and one of only three publicly-traded companies in the World with current ISR and conventional uranium production the others being  Cameco  and Areva.
product/material produced