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Welcome to Duncanson Company online. We are a Civil Engineering and Surveying firm located in Seattle. We provide services to private and public sector clients across Washington and Oregon. Our goal is to be highly responsive to our clients. Our simple strategy for long term success is to provide quality design service that our people can take pride in while resulting in cost effective solutions for our clients. |
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| 145 SW
155th Street, Suite 102 Phone: (206) 244-4141 Survey: survey@duncansonco.com |
Seattle,
Washington 98166 |