Lettis Consultants International, Inc. is an earth science company formed in 2011 by a group of the industry's leading geologists, seismologists and engineers specializing in engineering geology, seismic and natural hazard investigations. Our professionals bring the methods, technical expertise and focus on quality developed from decades of consulting experience to meet our clients' objectives. Lettis Consultants International, Inc. (LCI) offers high-technology, innovative Earth science consulting services to clients around the world. LCI geologists, seismologists, and engineers have comprehensive worldwide experience providing earthquake hazard analyses, engineering geology and geotechnical services, water resources expertise, and licensing and regulatory strategy and compliance. We have conducted numerous state-of-the-art studies in support of seismic analysis and design for critical facilities (pipelines, dams, nuclear plants, penstocks, hospitals, commercial buildings, bridges). Our professionals bring the methods, technical expertise and focus on quality developed from decades of consulting experience to meet our clients’ objectives in a manner that reflects our strong belief that good science and good engineering result in the best informed decision-making for facility owners and operators. LCI is a California and Federal certified small business enterprise.