America’s Largest and Fastest-Growing Domestic Uranium ISR Producer
Ur-Energy is the largest and fastest-growing ISR uranium mining company in the United States. It owns and operates the Lost Creek ISR uranium facility in south-central Wyoming, which has produced more than 3.5 million pounds of U₃O₈ since operations began, and the Shirley Basin ISR operation in central Wyoming, where uranium recovery commenced in April 2026. Lost Creek and Shirley Basin have combined annual licensed production and toll-processing capacity of 4.2 million pounds of U₃O₈. The Company is also engaged in exploration and development activities at a selection of highly prospective projects in the Great Divide Basin uranium district. The Company’s corporate headquarters is in Casper, Wyoming, and its registered office is in Ottawa, Ontario.