The Greenbusch Group Inc. is a multi-disciplinary firm based in Seattle, Wash., that provides technical expertise in engineering and consulting services. It offers acoustical and vibration consulting, mechanical engineering, audio/video technology consulting, vertical transportation and commissioning services. The company offers full AutoCAD support and maintains a comprehensive library of technical analysis and design software, including proprietary design software developed in house. It also possesses a large inventory of test equipment for sound and vibration analysis. The Greenbusch Group Inc. is a member of the U.S. Green Building Council (USGBC) and the National Council of Acoustical Consultants (NCAC).