Otto Rosenau & Associates, Inc.

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Otto Rosenau & Associates, Inc. (ORA) of Seattle, WA is a geotechnical, construction inspection, and materials testing laboratory. We offer assessment for a wide variety of industrial, commercial, municipal and residential projects ranging in size and scope, from roadways and bridges to custom residential homes and large complex commercial structures. We work with numerous public and private agencies, organizations and businesses to assure standards and specifications are met and exceeded. We are dedicated to building a safer community for today and tomorrow. As an independent approved agency, we provide objective and competent assessments of your project. Services provided by Otto Rosenau & Associates include: Special inspection and materials testing Geotechnical engineering Engineering services Locating services Wide range of testing services Consulting Though our primary projects focus on the greater Puget Sound region, Otto Rosenau & Associates also provides assurance and quality control services for specialty projects around the world. We are proud of our long history in the geotechnical construction and testing. Established in 1954 as Herman Adalist & Associates, Inc., the corporate name was changed to Otto Rosenau & Associates, Inc. in 1973. Since then, the Rosenau family has committed to becoming one of the top testing and inspection agencies in the Greater Puget Sound region. Call us today to learn what we can do for you.