Building the nation's waterways and Marine Infrastructure since 1905

Manson Construction Co. was founded in 1905 as a small pile driving business supporting the early development of Seattle’s waterfront.

Today, Manson’s legacy of quality marine services continues to grow at locations throughout North America.

We bring innovative solutions and engineering expertise to high-profile infrastructure and energy projects.

With every job, Manson rises to the occasion to meet the ever-evolving, complex marine infrastructure needs of North America and the global community.