National Security Technologies, LLC (NSTec) | Company Profile - Revenue, Headcount, Tech Stack, Contacts

National Security Technologies, LLC (NSTec) is a U.S.-based company established in 2005-2006 through a joint venture involving Northrop Grumman Corporation, AECOM, CH2M Hill, and Babcock & Wilcox. The organization specializes in managing and operating the Nevada National Security Site (NNSS), a large facility dedicated to national security and environmental management for the U.S. Department of Energy and the National Nuclear Security Administration.

NSTec focuses on defense experimentation, stockpile stewardship, and homeland security, developing technologies to detect and mitigate weapons of mass destruction. Its expertise includes arms control verification testing, nuclear materials management, and waste disposal related to national security operations. The company collaborates with national laboratories and federal agencies, including the Department of Defense and NASA, while prioritizing education, community relations, and diversity across its operational regions.