Architectural Castings

For more than 35 years, Ultrablock Inc. has been manufacturing Lock-Block retaining wall system. Based in Vancouver, Wash., the firm offers a series of block products, such as wall systems, jersey barriers and wheel stops. Its product is used for containment bunkers, bulkheads, seawalls, wingwalls for bridges, barriers, retention ponds, culverts and wine storage facilities. The company also manufactures blocks for slope protection, landslide repairs as an alternative to crib-walls, gabions, rock/boulder walls and timber lagging.

Marine Consulting And Consultation.Your local dock construction, dredging, pile driving, demolition and crane experts . Call us for your consultation.Advanced American Construction, Inc., headquartered in Portland, Oregon, has provided heavy civil/marine construction, industrial and diving services in the western region of the United States since 1983.Our strength is our people. Youll find our team dedicated to meeting clients project objectives. Our commitment is to do the right thing.Crane Work From general construction and heavy lifts to dredging, pile driving, bridges and cofferdams, AAC has significant crane power; including floating and land-based cranes with capacities of up to 200 tons. From pipe pile and H-beams to sheet pile, our pile driving equipment will fit all your specific project requirements. Crane Work Docks and Piers Power and Communication Cables Pipelines, Intake and Outfall Structures Surveys Lock and Dam Fish Run Enhancement Bridges Salvage and Recovery Diving Services Complete Inventory of Marine Equipment As our cranes are mobile, we are able to move them easily on and off our barges. Some of our cranes and barges can be torn down and mobilized to any site by land or water. Docks and Piers We have designed, built, repaired, and removed numerous docks and piers in the Pacific Northwest.

Welcome to Knife River of Portland,OR -Who is Knife River Corporation? Knife River is one of the top 10 aggregate, ready-mix and sand and gravel producers in the nation. At peak construction season we employ more than 5,000 men and women who have been widely recognized for their superior customer service. We are sitting on a foundation of more than 1.1 billion tons of aggregate and provide a wide variety of products and services necessary for building America's infrastructure. -Since purchasing the first aggregate company in 1992, Knife River has become one of the fastest-growing aggregate and construction companies in the central, southern and western United States. We have acquired nearly 70 companies located in 14 states and are licensed to perform work in many more.- Our core business lines include aggregate, asphalt, ready-mix concrete, liquid asphalt and cement.