Denison Mines Corp.
MiningOntario, Canada51-200 Employees
Denison Mines Corp. is a uranium-focused mining and development company based in Toronto, Ontario, with its activities concentrated in the Athabasca Basin region of northern Saskatchewan. It owns a 60% interest in the Wheeler River project, which hosts the Phoenix and Gryphon uranium deposits, and holds a 22.5% stake in the McClean Lake uranium mill under a toll milling arrangement; the company also manages Uranium Participation Corp., a publicly traded entity that invests in uranium oxide and uranium hexafluoride. Denison is a member of the Lundin Group of Companies and is listed on the TSX under the symbol DML and on the NYSE MKT as DNN. In 2026 the company announced a final investment decision to construct the Phoenix in-situ recovery mine at Wheeler River, accompanied by facility expansions and a construction management contract with Wood Canada Limited. The provided information does not specify the company's founding date or its specific customer base.