Reshaping America’s Civil, Urban & Marine
Infrastructure Since 1976
NASDI, LLC, established in 1976, is one of the leading demolition and site redevelopment
contractors in the United States, performing demolition, salvage/recovery and environmental
remediation services for many of the nation’s most prominent corporations, institutions
and government agencies.
Since 2000, NASDI has become a wholly owned subsidiary of
Great Lakes Dredge & Dock Corporation, a Chicago-based, publicly traded,
international company operating in two reportable segments – dredging and demolition.
NASDI operates across multiple construction segments itself – commercial, industrial
Every NASDI project has a simple, defined purpose – to maximize the recovery of
their clients’ investments, to responsibly transport and dispose of all debris and
to protect the health and safety of their workforce, the public and the surrounding