Manson Construction Company

Manson Construction Co. is a prominent heavy civil marine construction and dredging company headquartered in Seattle, Washington. The employee-owned enterprise specializes in major infrastructure and energy projects, delivering services such as bridge building, pier construction, heavy lifting, and offshore decommissioning across North America. Operating an extensive fleet of over 60 specialized vessels and 50 barges, the company supports government agencies, military entities, and private sector clients through strategic facilities in California, Louisiana, and Florida.