Based in Portland, Oregon, Southwest Passage Marine Surveys, LLC, provides marine and cargo surveys, accident investigation, and expert witness services throughout the west.

Southwest Passage Marine Surveys, LLC Capt Joseph A. Derie, Principal 1222 SE 57th Ave Portland OR 97215 Phone: 503-236-6818 Cell: 503-953-4008 E-mail: joederie@comcast.net

Accredited Marine Surveyor (AMS)		Certified Marine Surveyor (CMS)
Society of Accredited Marine Surveyors (SAMS)		National Association of Marine Surveyors (NAMS)