Siemens & Associates is a Central Oregon based consulting firm providing geophysical and geotechnical support to consultants, municipalities, contractors, and owners since 1992. The company offers uncommon value to the geotechnical exploration program by merging geotechnical experience with surface geophysics to effectively select methods, procedure and interpretation that improve the success of site exploration. Siemens provides innovative geophysical support for geotechnical engineers worldwide.