Houston-based Great Lakes Dredge & Dock Corporation, founded in 1890, provides dredging services in the United States. The company's expertise lies in capital dredging projects, including port expansion, coastal restoration and land reclamations, trench digging and construction of breakwaters, jetties, and canals. It is also involved in coastal protection projects, such as moving sand from the ocean floor to shoreline locations where erosion threatens shoreline assets, maintenance dredging, and channel deepening. The company serves federal, state, and local governments, foreign governments, and domestic and foreign private concerns. Its fleet of hydraulic, hopper, and mechanical dredges, unloader, drill boat, and material and other barges equipment help the company deliver high-quality services.