ECI is a self performing heavy civil construction company based in Minnesota and performs technical and challenging construction projects nation-wide. ECI has experience and expertise in underground infrastructure, tunneling, shafts, geo-technical, grouting, dam construction and rehabilitation, hydro-power, solar-power, and design-build. Industries: Government, municipal, industrial, power, mining Heavy Construction: Tunnel and shaft construction and rehabilitation, sanitary and storm sewer conveyance, dam and water control construction and rehabilitation, caissons, hydro-power construction and rehabilitation. Specialty Grouting: Soil solidification, foundation, water-control, hydro-active, cementitious, light-weight cellular. Geo-technical: Soil nails, hollow bar anchors, rock-bolts, post tension anchors, strand anchors, micro-piles, shotcrete. Design-build, constructability review, pre-construction services, early contractor involvement.