Plateau Archaeological Investigations, LLC conducts archaeological and cultural resource contracting and consulting services in eastern Washington, northern Idaho, and eastern Oregon. Our clients include federal and state agencies, counties, municipalities, utilities, engineering firms, and private organizations. By knowing and understanding the region we work in and the concerns of regional interested parties, we are able to focus our efforts toward providing solutions to specific concerns. Our reports satisfy the requirements of any funding agencies, state departments and agencies, and any Tribal entities who may comment.