Structural Design Associates, Inc. is a full service consulting structural engineering firm and is a member of the American Council of Engineering Companies, American Council of Engineering Companies of Minnesota, Council of American Structural Engineers and the American Institute of Steel Construction, Inc.

SDA was founded in 1989 with the goal of providing its clients with quaity engineering services. To achieve this, SDA combines its extensive experience in educational, municipal/government, religious, commercial/office/retail, residential complexes and industrial facilities with frequent client contact during all phases of the poject. SDA has experienced great results with the "team work" approach and feels this approach serves the best interests of the client. Team work and constant communication are essential to the cost effective design and success of any project.