Alexco Resource Corp. engages in the exploration, development, and operation of mineral resource properties. It operates through the following business segments: Reclamation Management, Mining, and Corporate and Other. The Environmental Services segment include clean-up of historical liabilities of the Keno Hill Silver District through ERDC under a contract with the Federal Government of Canada. The Mining segment comprises exploration, underground development, and evaluation activities; and environmental services carried out through ERDC and AEG, providing consulting and project management services. The Corporate and Other segment covers head office and general corporate administration activities. The company was founded on December 3, 2004 and is headquartered in Vancouver, Canada.