Great Lakes Dredge & Dock Corporation

About Great Lakes Dredge & Dock Corporation

Great Lakes Dredge & Dock Corporation (GLDD) is North America's leading dredging contractor, specializing in projects that enhance and protect the United States' infrastructure and coastlines. With a history dating back to the late 1800s in the Chicago area, GLDD is the largest provider of dredging services in the U.S. and the only U.S. company with significant international project experience. Headquartered in Houston, Texas, GLDD operates a diverse fleet and focuses on safety, sustainability, and environmental responsibility.

Products & Services

Channel & Port Maintenance:Services to maintain and improve navigation channels and ports across various U.S. regions.

Channel Deepening & Port Expansion:Projects focused on deepening channels and expanding port facilities to accommodate larger vessels.

Coastal Protection & Restoration:Initiatives to protect and restore shorelines and coastal areas from erosion and environmental damage.

Land Reclamation:Services to create new land areas for development through dredging and material placement.

Rivers, Lakes & Reservoirs:Dredging projects to maintain and restore capacity in inland water bodies.

Offshore Energy:Support for offshore energy projects, likely related to infrastructure development.

Equipment Fleet:Operation of a diverse fleet including hopper, mechanical, and hydraulic dredges, as well as support vessels like tugs and workboats.

Specialties

Dredging Services Coastal Protection Port Maintenance and Expansion Land Reclamation Environmental Restoration

Funding History

Debug: View Raw Funding Data

#	Type	Amount Fields	Date Fields	Investors
1	RT: Revolving Credit Facility Amendment (Upsize) T: - FT: Revolving Credit Facility Amendment (Upsize)	A: 100000000 MR: - FA: $100 million FAN: 100000000	D: 2025-10-24 FD: 2025-10-24	-

Revolving Credit Facility Amendment (Upsize) Latest

2025-10-24

$100.0M

Growth Metrics

+45%

Employee Growth

YoY

3.2x

Funding Growth

Last Round

12

Markets

Operating

10K+

Customers

Active

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Team & Leadership

L

Lawrence R. Dickerson

Chairman of the Board

L

Lasse Petterson

Chief Executive Officer and President

K

Kathleen M. Shanahan

Director

R

Ronald Steger

Director

E

Earl Shipp

Director

D

Dana Armstrong

Director

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