Alexco Resource Corp. engages in the mineral exploration, evaluation, development, and operational activities primarily in Yukon Territory, Canada. The company explores for silver, lead, zinc, and gold deposits. It owns interests in the majority of the historic Keno Hill Silver District project that comprises the Flame & Moth, Bermingham, Lucky Queen, Bellekeno, and Onek deposits, as well as 722 quartz mining leases, 873 quartz claims, 24 placer mining claims, 1 quartz mining license and 50% of 3 quartz mining leases, 2 crown grants, and 6 fee simple lots and 7 surface leases located in Yukon Territory.

Alexco Resource Corp. was incorporated in 2004 and is headquartered in Vancouver, Canada.