Company Overview

Founded and headquartered in Oxnard, California, SEI has been providing high quality, responsive, and cost-effective environmental consulting and engineering services since its inception in 2000. SEI’s qualified Environmental Scientists, Engineers, Industrial Hygienists, Safety Professionals, and other Environmental Specialists possess the requisite knowledge, training, and experience to provide our clients with information, analyses, advice, and other services tailored to meet the needs of each unique project.