SERVICES | PROJECTS | COMPANY | RESOURCES | CONTACT US | HOME Cotton, Shires and Associates, Inc. (CSA) provides a full range of engineering geologic and geotechnical engineering services. Since 1974, our geologists and geotechnical engineers have applied advanced geotechnical analysis for a variety of clients throughout California and the Western United States. In addition to providing geotechnical engineering investigation and design services, CSA provides design, construction management, inspection, and litigation support services. We solve complex geotechnical challenges. Learn More » GEOTECHNICAL ENGINEERING & GEOLOGY SERVICES LANDSLIDES & ROCK MECHANICS FAULTS & SEISMIC HAZARDS EXPERT WITNESS INVESTIGATION & DESIGN PEER REVIEW CONSTRUCTION OBSERVATION & MONITORING Contact Us Main Office: (408) 354-5542 losgatos@cottonshires.com Central California Office: (209) 736-4252 cottonshires@me.com Southern California Office: (805) 370-8710 socal@cottonshires.com Copyright 2013, Cotton, Shires and Associates, Inc., All Rights Reserved Sitemap