Denison Mines Corp. engages in uranium mining related activities in Canada. The company acquires, explores for, and develops uranium properties; and extracts, processes, and sells uranium. Its assets include a 22.50% interest in the McClean Lake uranium processing facility and uranium deposits; a 25.17% interest in the Midwest uranium project; and a 63.3% interest in the Wheeler River project located in northern Saskatchewan. The company’s assets also comprise a 64.22% interest in Waterbury Lake project; 100% interest in the Johnston Lake project; 30% interest in the Mann Lake project; and 21.89% interest in the Wolly project located in the Athabasca Basin, northern Saskatchewan. It also provides mine decommissioning and environmental services, as well as post-closure mine and maintenance services to various industry and government clients. 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 1996 and is headquartered in Toronto, Canada.