Archaeological Investigations Northwest, Inc.

Providing archaeological and historical services throughout Oregon, Washington and Idaho.


3510 N.E. 122nd Ave.
Portland, OR 97230
Phone: 503-761-6605
Fax: 503-761-6620

Vancouver, WA
Phone: 360-696-7473

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Contact Archaeological Investigations Northwest, Serving Oregon, Washington and Idaho

AINW Knowledge

We are in the business of helping you navigate the complex world of cultural resource laws and regulations in the Pacific Northwest.
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AINW’s team of skilled professionals meets or exceeds the Professional Qualification Standards of the Secretary of Interior’s Standards and Guidelines for Archaeology and Historic Preservation.

AINW Capacity

We are more than 30 full-time archaeologists, architectural historians, technical and support staff.
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AINW is among the most highly qualified cultural resource firms (CRM) in the western United States, providing archaeological, historical, architectural history, Geographic Information Systems (GIS), and specialized laboratory services.

AINW Experience

We are experienced in providing cultural resource services to many industries and sectors for more than two decades.
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Cultural resource services provided to industries such as transportation, energy, utilities, natural resources, development, government agencies, military, historic preservation and environmental restoration.


AINW Provides