Reshaping America’s Civil, Urban & Marine
Infrastructure Since 1976
NASDI, LLC, established in 1976, is one of the leading demolition and environmental remediation contractors in the United States, self-performing demolition, salvage/recovery and abatement 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
and heavy-civil.
NASDI is currently the largest demolition and abatement contractor in the Northeast United States and operates across multiple construction segments - commercial, industrial and heavy civil.