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.
Manson is committed to promoting and encouraging the utilization of small business concerns to the maximum practicable opportunity. As part of this commitment, we continually seek diverse suppliers and subcontractors who add value to our operations. We aim to increase our vendor base and small business participation on our contracts. Manson’s commitment extends to all small business concerns, including those qualified under the Smal Business Act and Disadvantaged Business Enterprise programs managed by State and DOT Agencies.
Manson Construction is a Heavy Civil Marine Contractor, our expertise is Pile Driving and Dredging performed mostly along US Coastlines. Approximately 70% of our contracts are with Federal Government Agency Clients, primarily with US Army Corps of Engineers and Navy Facilities Engineering Command. Manson also contracts with Local Government Agencies and Private Owners in support of Infrastructure and Waterfront Property improvements, and Fuel Distribution.
Scopes of work and NAICS codes
238910 Demolition and Disposal
327332 Furnish PC/PS Concrete Piling
331210 Furnish Steel Piling
326299 Furnish Rubber Fenders
331513 Furnish Mooring Cleats/Bollards and Pier Appurtenances
561990 Diving work as directed
238190 Cathodic Protections Systems
541380 Pile Driving Analysis
541370 Surveying
238120 Furnish and Installation of Reinforcing Steel
327320 Ready-mix Concrete Supply
238110 Cast-in-Place Concrete Pumping & Placement
327390 Furnish Pre-cast Concrete Elements
332999 Fabricated Steel (Miscellaneous Metals) Supply
238220 Furnish and Install Plumbing/Mechanical Utilities
238210 Furnish and Install Electrical, Communications, Security Systems and Equipment
237310 Asphalt Paving
237310 Striping/Pavement Markings
339950 Signage
238910 Earthwork and Grading
238990 Installation of Ground Improvements (DSM and/or Jet Grouting)
237110 Storm Drainage and Underground Utilities
238990 Fencing
484110 Trucking
541380 Inspection & Materials Testing
541620 ESA and MMPA Monitoring
Primary Point of Contact:
Lindsey Williams, Small Business Liaison Officer
(206) 639-1598, sblo@mansonconstruction.com
Potential Subcontractors are asked to submit a Business Record Form through the online Manson Vendor Portal (MVP) at
www.mvp.mansonconstruction.com. An alternate method to access the MVP is to Visit our website https://www.mansonconstruction.com/ and follow the instructions on the Manson Vendor Portal page (found under “Work With Us”) to access the MVP.
Small Businesses that are looking to participate in a specific solicitation should email proposals@mansonconstruction.com or contact Manson’s SBLO at sblo@mansonconstruction.com.
As a Marine Contractor, many contracts held by Manson have requirements for a USL&H Policy. Please contact Manson’s SBLO for more information about this type of Insurance Coverage and Manson’s expectations.
Bonds are requested at the time a subcontract is issued, regardless of the amount of time before the subcontractor will be required onsite for performance of their subcontract.
Subcontractors and Suppliers should know that the majority of the contracts held by Manson have Domestic Product Preference (Buy America, Buy American, and Build America/Buy America). The rules vary depending on the funding source. Manson takes compliance seriously and will provide guidance when possible.
Manson Construction Prime Information Page
Learn how to work with Manson Construction and about their subcontracting opportunities.
