What We Do Best

Our Services

Trenchless Technologies & Tunneling

From gas pipelines to watermain installations, Marathon Underground’s Trenchless Technology group is a recognized leader in the utility tunneling of both earth and rock.

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Environmental, Geotechnical & Exploration Drilling

Marathon Underground’s environmental and geotechnical drilling division is equipped with track, truck, portable, fly-in, remote hydraulic and shack mounted drilling rigs for geotechnical, environmental and exploration projects.

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Shoring & Deep Foundation

Whether your shoring requirements are a small part of a larger project or you require a fully engineered turnkey shoring solution, Marathon can provide you with a value added solution to ensure the stability of your infrastructure.

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Cutting & Coring

Our Cutting and Coring group follows the same guiding principals of commitment to customer service that you’ve come to expect from our other divisions. All projects are unique, and it takes attention to detail to ensure that they are done right.

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Who We Are

About Us

Since 1981, Marathon Underground has been setting itself apart from its industry peers, not only due to the experience and tools it brings to every project, but through its commitment to outstanding customer service and safety.

Marathon Underground Constructors Corporation offers an unparalleled variety of services to meet all of its customers’ unique needs.

There exist limitless opportunities in every industry.

Where there is an open mind, there will always be a frontier.

Charles Kettering