Geoengineer.org

Manufacturer of microtunneling, pipejacking, tunneling, guided boring and earth pressure balance equipment for tunnels up to 14-ft in diameter. Visit Akkerman Inc.

A nationwide contractor specializing in design-build earth retention systems. Soil nailing, soil mixing, jet grouting, secant pile walls, landslide control walls, tiebacks, underpinning and excavation support. Visit Schnabel Foundation Company

Bittner-Shen Consulting Engineers, Inc (BSCE) is based in Portland, Oregon and specializes in the design of major marine structures including: bridge foundations, locks, dams, immersed tunnels, offshore structures, harbor facilities, marine outfalls/intakes, and deep marine […]