Great Lakes Dredge & Dock Corporation

Great Lakes Dredge & Dock Corporation, established in 1890, is the largest provider of dredging services in the United States. The company's mission is to be the leading provider of dredging services, delivering innovative solutions and superior value to its clients. Headquartered in Houston, Texas, GLDD has a long history of performing significant domestic and international projects.

GLDD specializes in a comprehensive range of dredging and marine construction services. These include capital dredging for port expansion and channel deepening, maintenance dredging to ensure navigability of waterways, coastal protection and restoration projects such as beach nourishment, land reclamation, and trench digging for pipelines, tunnels, and cables. The company operates a diverse fleet of specialized vessels, including hopper, mechanical, and hydraulic dredges, along with approximately 200 support vessels.

As of April 1, 2026, Great Lakes Dredge & Dock Corporation transitioned from a publicly traded entity to a privately held, wholly-owned subsidiary of Saltchuk Resources, Inc., having been delisted from NASDAQ. Lasse Petterson serves as the Chief Executive Officer. The company is actively expanding its core business to include the rapidly developing offshore energy industry, particularly offshore wind.