About Us

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.

Where We Work

Over the last century, Manson's has expanded to six business offices and five marine yards located in strategic regions. With more than 800 employees and a large fleet of equipment, Manson supports high-profile marine infrastructure and energy projects across the nation.

Our Commitment

Manson commits that its ownership, leadership and management team will act ethically; consistently apply the same standards of conduct set forth in the Code of Conduct throughout the Company; promote ethical behavior throughout the Company and in the marketplace; provide training and other resources so that our employees are equipped with the necessary tools and resources to handle ethical issues as they may arise; listen to concerns our employees may have about business conduct and support them expressing those concerns; and take swift action when an employee faces retaliation for reporting suspected misconduct. A