Company Description
Great Lakes Dredge & Dock Corporation provides dredging services in the United States.
The company offers 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 coastal protection projects comprising moving sand from the ocean floor to shoreline locations where erosion threatens shoreline assets; maintenance dredging, which consists of the re-dredging of previously deepened waterways and harbors to remove silt, sand, and other accumulated sediments; lake and river dredging, inland levee and construction dredging, environmental restoration and habitat improvement, and other marine construction projects; and foreign capital projects, such as channel deepening and port infrastructure development.
In addition, the company operates hydraulic dredges, hopper dredges, mechanical dredges, unloaders, drill boats, and material and other barges equipment.
It serves federal, state, and local governments; foreign governments; and domestic and foreign private concerns comprising utilities, oil and gas, and other energy companies.
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 Houston, Texas.
| Country | United States |
| Founded | 1890 |
| IPO Date | Dec 27, 2006 |
| Industry | Engineering & Construction |
| Sector | Industrials |
| Employees | 381 |
| CEO | Lasse Petterson |
Contact Details
Address: 9811 Katy Freeway, Suite 1200 Houston, Texas 77024 United States | |
| Phone | 346 359 1010 |
| Website | gldd.com |
Stock Details
| Ticker Symbol | GLDD |
| Exchange | NASDAQ |
| Stock Type | Common Stock |
| Fiscal Year | January - December |
| Reporting Currency | USD |
| CIK Code | 0001372020 |
| CUSIP Number | 390607109 |
| ISIN Number | US3906071093 |
| Employer ID | 20-5336063 |
| SIC Code | 1600 |
Key Executives
| Name | Position |
|---|---|
| Lasse J. Petterson | Chief Executive Officer, President and Director |
| Scott Lee Kornblau CPA | Senior Vice President and Chief Financial Officer |
| David J. Johanson | Senior Vice President of Project Acquisition and Operations |
| Vivienne R. Schiffer | Senior Vice President, Chief Legal Officer, Chief Compliance Officer and Corporate Secretary |
| Christopher G. Gunsten P.E. | Senior Vice President of Project Services and Fleet Engineering |
| Ryan M. Bayer | Vice President and Chief Accounting Officer |
| Trond Ellefsen | Vice President and Chief Technology and Information Security Officer |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| Jun 3, 2025 | 144 | Filing |
| May 15, 2025 | SCHEDULE 13G/A | Filing |
| May 12, 2025 | 8-K | Current Report |
| May 9, 2025 | SCHEDULE 13G/A | Filing |
| May 8, 2025 | S-8 | Securities to be offered to employees in employee benefit plans |
| May 8, 2025 | S-8 | Securities to be offered to employees in employee benefit plans |
| May 6, 2025 | 144 | Filing |
| May 6, 2025 | 10-Q | Quarterly Report |
| May 6, 2025 | 8-K | Current Report |
| Apr 24, 2025 | SCHEDULE 13G/A | Filing |