Great Lakes Dredge & Dock Corp.

Inactive

GLDD (NMS)

Great Lakes Dredge & Dock Corporation provides dredging services in the United States, including capital dredging for port expansion, coastal restoration and land reclamation, trenching for pipelines, tunnels and cables, and other marine construction such as breakwaters, jetties and canals. It also performs maintenance dredging, lake and river dredging, environmental restoration, and habitat improvement. The company operates hydraulic, hopper, and mechanical dredges, plus scows and equipment. It serves government entities and utilities, oil and gas, and other energy clients. Founded in 1890 as Lydon & Drews Partnership, it was renamed in 1905 and is headquartered in Houston, Texas. Since April 1, 2026, it operates as a subsidiary of Saltchuk Resources, Inc.