Dosdourian Enterprises, Inc. (DEI) is a structural / geotechnical contractor specializing in structural and geotechnical construction problems. We install high capacity micropiles, helical piles and small diameter driven piles for new construction and underpinning. We also specialize in both cementitious and chemical grouting for soil enhancement, excavation support as well as water stop grouting for tunnels, bridges, dams and structures. We pride ourselves in customer service and can usually respond to emergency projects within a short period of time. We have been in business since 1980 in the same general location and have, over the years developed a very good relationship with the engineering community.