How many employees work at Manson Construction?
Manson Construction Co. has 663 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 7.6%.
Data source: Revelio Labs Coverage: Global workforce Latest update: December 2025
About Manson Construction
Manson is one of the nation’s leading heavy civil marine construction and dredging companies. We take great pride in our reputation for safely completing our work on time and on budget. Established in 1905, Manson began as a small, family-owned Puget Sound marine pile driving business. Today, Manson thrives as a 100% employee-owned company with a second, third and even fourth-generation workforce. Our fleet of heavy marine construction and dredging equipment includes 60 specialized vessels and over 50 barges. Headquarters remain in Seattle, though we have expanded to include permanent facilities in Northern and Southern California, Louisiana, and Florida. Manson is committed to creating an Incident and Injury-Free® (IIF®) workplace by performing all our activities with equal attention to safety, quality, and efficiency. We demonstrate our commitment by being honest, ethical, compassionate and fair in all of our dealings with employees and customers alike. We empower and give authority to all employees to stop work anytime, any place where safety is a concern. Nothing we do is worth anyone getting hurt.
As of December 2025
Manson Construction
workforce metrics
Headcount
663
Avg. Salary
$99.2k
Tenure
6.0yr
Growth Rate
7.6%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of Manson Construction annual worldwide employee count from 2023 to 2025.
- Manson Construction total number of employees in 2025 was 663, a 7.6% increase from 2024.
- Manson Construction total number of employees in 2024 was 615, a 1.9% increase from 2023.
- Manson Construction total number of employees in 2023 was 603, a 1.0% decline from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of Manson Construction annual active job postings from 2023 to 2025.
- Manson Construction active job postings in 2025 was 36, a 8.7% increase from 2024.
- Manson Construction active job postings in 2024 was 33, a 8.7% decline from 2023.
- Manson Construction active job postings in 2023 was 36, a 28.6% increase from 2022.
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Employee Sentiment
Sentiment Topics
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