How many employees work at Great Lakes Dredge & Dock?
Great Lakes Dredge & Dock Corp. has 512 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 1.2%.
Data source: Revelio Labs Coverage: Global workforce Latest update: December 2025
About Great Lakes Dredge & Dock
Great Lakes Dredge & Dock (GLDD) is the largest provider of dredging services in the United States and the only U.S. company with significant international dredging operations. GLDD employs more than 1,000 dedicated engineering, operations, and support personnel. GLDD has a rich 134-year history of developing and executing successful dredging and marine construction projects, operating the largest and most diverse dredging fleet in the U.S. comprising approximately 200 specialized vessels.
As of December 2025
Great Lakes Dredge & Dock
workforce metrics
Headcount
512
Avg. Salary
$96k
Tenure
5.1yr
Growth Rate
1.2%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of Great Lakes Dredge & Dock annual worldwide employee count from 2023 to 2025.
- Great Lakes Dredge & Dock total number of employees in 2025 was 511, a 1.2% increase from 2024.
- Great Lakes Dredge & Dock total number of employees in 2024 was 505, a 2.9% increase from 2023.
- Great Lakes Dredge & Dock total number of employees in 2023 was 491, a 4.0% decline from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of Great Lakes Dredge & Dock annual active job postings from 2023 to 2025.
- Great Lakes Dredge & Dock active job postings in 2025 was 257, a 0.8% increase from 2024.
- Great Lakes Dredge & Dock active job postings in 2024 was 255, a 77.2% increase from 2023.
- Great Lakes Dredge & Dock active job postings in 2023 was 113, a 23.8% increase from 2022.
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Employee Sentiment
Sentiment Topics
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