Group Delta Consultants, Inc., an NV5 Company

Group Delta, an NV5 Company, is a geotechnical engineering firm which specializes in geotechnical investigations, forensic investigations, environmental services, material testing and inspection, has offices located in Irvine, Torrance, Anaheim, Riverside, and San Diego. We have a staff of 100 highly skilled professionals consisting of civil, geotechnical engineers, engineering geologists, scientists, laboratory and field technicians, deputy inspectors, drafting/CADD, drilling and support personnel specialized in their respective fields. In addition, we have licensed and experienced deputy inspectors and technicians specialized in their respective fields (including concrete, masonry, batch plant, fireproofing, shotcrete, soils, structural steel, non-destructive testing and welding) to provide construction observation and testing services.