About Us
Marathon Construction Corporation is a full service marine and general engineering contractor specializing in marine and heavy civil construction throughout the Western United States. We deliver projects for customers on a design-bid-build, turnkey design-build basis, and CM/GC.
Marathon has built its reputation on delivering innovative, cost effective solutions for the customer that result in a best-value, superior product. Its team of civil engineers, project managers and field engineers are here to provide you the customer with the tools you need to complete successful projects. Whether it’s constructing a pier, wharf, or a marina to building bridges, constructing mitigation projects or closing a landfill, Marathon Construction is here to provide you with problem solving, engineering, and the technical assistance you’ll need to complete your quality project on time and within budget.