Denison Mines Corp. engages in the acquisition, exploration, development, extraction, processing, selling of, and investing in uranium properties in Canada. Its flagship project is the 95% interest owned Wheeler River uranium project located in the Athabasca Basin region in northern Saskatchewan. The company was formerly known as International Uranium Corporation and changed its name to Denison Mines Corp. in December 2006. Denison Mines Corp. was founded in 1997 and is headquartered in Toronto, Canada.