Alexco Resource Corp. engages in the mineral exploration, and mine development and operation activities in Canada. It explores for silver, lead, and zinc deposits. The company principally owns interests in the Keno Hill Silver District project comprising Flame & Moth, Bellekeno, and Lucky Queen deposits, as well as the Onek, Bermingham properties, and Elsa Tailings properties located in Yukon Territory. It maintains an area that covers 239.016 square kilometers. The company also provides mine and industrial site related environmental services, including management of the regulatory and environmental permitting process, environmental assessments, and reclamation and closure planning in Canada, the United States, and internationally. Alexco Resource Corp. was incorporated in 2004 and is headquartered in Vancouver, Canada.