A privately held, multidisciplinary, marine services company founded in 1996, Substructure provides fully integrated underwater industrial services to a wide range of industries. Headquartered in Portsmouth, New Hampshire, Substructure serves commercial and government organizations along the Eastern seaboard, inland, and in a number of overseas locations.

Recognized for unparalleled technical expertise, highly sophisticated and customized equipment, exacting project management, and collaborative customer support, Substructure has become the gold standard for marine industrial services. Our experienced team of engineers, marine scientists, divers, data specialists, and licensed captains enjoy a reputation for completing complex marine projects on time and on budget.

To learn more about Substructure’s state-of-the-art underwater capabilities, see Services.

Who We Are

Substructure’s engineers, marine scientists, and computer specialists offer extensive experience in a wide range of geophysical, oceanographic, hydrographic survey, and marine construction operations. Learn more about our leadership team: Thomas […]

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Marine Services Information

Substructure’s extensive marine services experience and commitment to developing long-lasting solutions to challenging problems is reflected in the topics discussed below.  

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Representative clients: Abington Group AECOM Technology Corporation Barletta Heavy Bath Iron Works Bernstein Shur Beverly, Massachusetts Boston Boat Works Boston Police Department Cianbro CLD Consulting Engineers Clipper Marine Services A/S […]

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American Welding Society Center for Coastal & Ocean Mapping, Joint Hydrographic Center (JHC) Maritime News from the World News Network National Association of Corrosion Engineers National Geographic National Oceanic and […]

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