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We are one of the largest marine construction companies in the USA

Our team has been working in and along the waterways since 1950

Sheppard’s water- and land-based solutions strengthen the country’s infrastructure through well-built ports, bridges, and tunnels. Having successfully completed several major complex and challenging marine construction projects, the firm has earned a reputation for safety, excellence, and quality. Whether building piers, revetments, stone structures, or bridges, we apply our marine construction expertise to deliver state-of-the-art solutions.

Quality

From the finest materials to the greatest people, we take the quality seriously.

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Experience

With decades of experience in marine construction, we can complete any tasks.

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dedication

Dedication to our customers drives us and pays off handsomely in reputation.

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Reputation

With 50+ years in the industry, we are renowned leaders of marine construction.

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The Science Behind Radial Gate Tensioning

At Sheppard, we have worked on many different kinds of dams of various sizes and functions. As very few new dams are built each year in the U.S., most of our work consists of rehabilitation and repairs. Dams are built...

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The Basics of Using Polymers on Dredging Projects

One of the biggest challenges on a dredging project is managing the water that is excavated and transported with the sediment. On hydraulic dredging jobs where sediment and water are pumped through a pipeline as...

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7 Cost-Drivers of a Dredging Project

Dredging projects are complex affairs that involve many components and significant planning before execution. The intricacy of these projects means that pricing is often multifaceted. Here are seven common areas that...

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4 Basic Steps of a Wetland Restoration

Our experience in wetland habitat restoration began 30 years ago with the Upper Mississippi River Restoration Program (UMRR), the largest restoration program ever undertaken on a major waterway, worldwide. Since then...

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Pier and Abutment Repairs

Our ability to work both above and below the waterline allows us to make repairs to concrete, masonry, and steel structures, either with or without a cofferdam.

Dock Structures

Our team specializes in dock structures ranging from dry and liquid bulk terminals to heavy lift docks and cellular structures as well as the mooring and fleeting structures.

Dredging

Sheppard can provide both mechanical and hydraulic dredging options. From mass removal to surgical dredging, we have everything required for your project.

Cofferdam Construction

One of the services we offer is the construction and installation of cofferdams. We can also perform the repair work on various marine structures and area cleanup.

Deep Foundations

Our deep foundation structures support electrical towers, buildings, bridges, and more. This includes cellular structures, reinforced seawalls, and cofferdams.

underwater Inspections

We provide high-quality dive inspections with experienced certified commercial divers, underwater acoustic imaging, and high-resolution hydrographic surveys.

Our latest projects

our Clients

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