Great Lakes Dredge & Dock Corporation provides dredging services in the United States and internationally. The company engages in capital dredging that consists of port expansion projects, coastal restoration and land reclamations, trench digging for pipelines, tunnels and cables, and other dredging related to the construction of breakwaters, jetties, canals, and other marine structures. It is also involved in channel deepening and port infrastructure development; coastal protection projects; re-dredging previously deepened waterways and harbors; and lake and river dredging, inland levee and construction dredging, environmental restoration and habitat improvement, and other marine construction projects. The company serves federal, state, and local governments; foreign governments; and domestic and foreign private concerns, such as utilities, oil, and other energy companies. It operates a fleet of 22 dredges, 14 material transportation barges, 1 drillboat, and various other support vessels. The company was formerly known as Lydon & Drews Partnership and changed its name to Great Lakes Dredge & Dock Corporation in 1905. Great Lakes Dredge & Dock Corporation was founded in 1890 and is headquartered in Oak Brook, Illinois.