Great Lakes Dredge & Dock Corporation is a U.S.-based marine construction contractor focused on dredging, coastal protection, and related waterway infrastructure work. It also has a growing offshore energy activity, including subsea rock installation and other marine services tied to offshore wind, cable, and energy projects.
19,3 %
22,9 %
8,3 %
+16,5 %
1.01
0.88
| % | |
|---|---|
| Domestic capital dredging | 42% Deepening ports and channels, LNG access work, land reclamation and related marine construction. |
| Coastal protection | 27% Beach nourishment, shoreline stabilization and coastal resiliency projects for public agencies. |
| Maintenance dredging | 13% Recurring dredging to keep navigation channels, harbors and waterways open and usable. |
| Offshore energy | 3% Marine services for offshore wind, cable and oil and gas projects, including rock installation. |
| International dredging and marine work | 15% Selective overseas dredging and marine construction projects where the fleet is competitive. |
The company sells mainly to public-sector customers, especially the U.S. Army Corps of Engineers, plus the U.S...
Buys navigation, flood control, coastal resiliency and facility-related dredging; this is the core customer base and largest source of demand.
Buys coastal protection, beach nourishment and restoration projects funded through public budgets and disaster relief programs.
Buys port, terminal, pipeline, cable and industrial marine work where specialized dredging and marine construction are needed.
Buys subsea rock installation and related marine services for offshore wind, cables and energy projects.
Great Lakes is primarily a U.S. coastal and inland waterways business, with operations on the East Coast, Gulf Coast...
The company is focused on defending its core U.S. dredging franchise while using its fleet and certifications to win...
These projects fit the fleet and face fewer qualified competitors, supporting utilization and margins.
Offshore wind and subsea infrastructure broaden the addressable market beyond traditional dredging.
U.S. Coast Guard and ABS certifications are required for many exposed-water projects and support competitive bidding.
The business is exposed to project concentration, public funding cycles and competitive bidding, so delays or funding...
A large share of revenue comes from the Corps and other government customers, so budget shifts or continuing resolutions can delay projects.
Most contracts are awarded to the lowest qualified bidder, which can compress margins when competition intensifies.
Dredging involves collisions, cave-ins, flooding, environmental incidents and unexpected geology that can cause losses and claims.
Maintenance, repairs and new vessel work depend on shipyards and suppliers, which can delay availability and raise costs.
The company is expanding into a newer end market where demand timing, customer mix and competition are less proven than core dredging.
: 28.4.2026