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© Copyright 2005 - 2010.
Simpson Engineers, Inc.

Founded in 1946

Civil Engineering: Licensed in Washington, Idaho and Nevada
Land Surveying: Licensed in Washington and Idaho



SERVING THE INLAND NORTHWEST
FOR MORE THAN 50 YEARS


Simpson Engineers, Inc. is a well-established civil engineering and land surveying company located in Spokane Valley.

Founded in 1946, the company has extensive experience in a wide range of project types, including engineering analysis, platting, street design engineering, water and sewer system design engineering, water district engineering, water system plans and reports, stormwater plans and reports, floodplain analyses, land surveying, construction staking, construction oversight and inspection, grant proposals, and related engineering, surveying and land development services.