Expect an Outstanding Know-How

Trust the HSU experience that renovated the White House Press Corps, restored the Marine Corps War Memorial-Iwo Jima, transformed the Smithsonian Elephant Center, and performed construction services to US Consulates around the world.

— Working on our nation’s most treasured landmarks —

Depend on HSU to bring a passion for building with a Commitment to Excellence to construct your most treasured project.

Featured Projects

Santee Basin West Wall

NAVFAC - Washington, Annapolis, MD

Design and install steel piling seawall and concrete pile caps.

National Marine Corps Memorial -

Iwo Jima

National Park Service, Arlington, VA

Fast-track design and development to rehabilitate the entire memorial grounds.


Elephant Community Center - National Zoo, Washington, dC

Smithsonian Institution

Rehabilitation, restoration, and upgrade the Elephant Community Center

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