McGriff, Seibels & Williams of Oregon, Inc. Back to Search McGriff, Seibels & Williams of Oregon, Inc. Categories Insurance/Risk Management 1800 SW 1st Ave Suite 400 , Portland , OR , 97201 United States (503) 943-6621 Send Email http://www.mcgriff.com/ Contacts Primary Brett McGinnis Insurance Agent Share × Print Email Facebook LinkedIn Twitter Pinterest Powered By GrowthZone