SGSI was founded with a philosophy that combines commitment, motivation, teamwork and dedication, to provide a quality product in a timely, professional and cost effective manner. Sometimes that means we get mud on our shoes. We perform a full range of consulting services including geotechnical engineering, environmental engineering, engineering geology, hydrogeology, materials testing, and construction inspection. SGSI maintains a technically strong team of professionals licensed in California, and Arizona making use of state-of-the art technology in order to service a broad spectrum of clientele. We have an advantage over other firms by offering a unique knowledge of the local area. In other words we know our dirt. Our locally based offices provide a quicker response to field and laboratory testing requests. Dig deep into our website and you’ll find out why we've had to buy plenty of soap since 1989.
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