Marathon Construction

Marathon Construction Corporation is a full-service marine and general engineering contractor specializing in marine and heavy civil construction throughout the Western United States. With over 50 years of experience, we have built a reputation on delivering innovative, cost-effective solutions for our customers. Our team of civil engineers, project managers, and field engineers are dedicated to providing you with the tools you need to complete successful projects.

Whether it's constructing a pier, wharf, or a marina, building bridges, or constructing environmental restoration projects, we have the expertise and resources to help you achieve your goals. Our services include marine construction, industrial construction, commercial construction, environmental mitigation and reclamation, habitat restoration, and heavy civil and earthwork projects. We offer design-bid-build, turnkey design-build, and CM/GC project delivery methods to ensure that your project is completed efficiently and effectively.

Our commitment to safety is paramount, and we strive towards a goal of zero injuries on each project. We believe in developing long-lasting relationships with our clients and our employees, ensuring that every project is completed with the highest level of quality and professionalism.

Our Capabilities

Marine Construction: We specialize in constructing piers, wharfs, and marinas.

Industrial Construction: We handle projects related to manufacturing facilities, power plants, and other industrial sites.

Commercial Construction: Our expertise includes office buildings, retail spaces, and other commercial developments.

Environmental Mitigation/Reclamation: We assist with environmental restoration projects and landfill closures.

Habitat Restoration: We work on projects aimed at restoring natural habitats and ecosystems.

Heavy Civil/Earthwork: We offer services for large-scale construction projects involving earthmoving, excavation, and heavy equipment operation.

Projects

Some of our notable projects include the Nimitz Wharf & Pier Replacement, San Dieguito Wetlands Restoration, and the SOC4 Facility. These projects demonstrate our versatility and expertise in various sectors.