Back to Search Whetstone Valley Electric Co-op, Inc. Affiliated Non-Members PO Box 512 , Milbank , SD , 57252-0512 (605) 432-5331 Membership Type Affiliated Non-Members Contacts Primary Dave Page General Manager Share × Print Email Facebook LinkedIn X Pinterest Powered By GrowthZone Tell a friend about Whetstone Valley Electric Co-op, Inc.Send to FriendCancel