National Security Technologies, LLC (NSTec) was formed in 2005 as a joint venture between Northrop Grumman Corporation, AECOM, CH2M Hill, and Nuclear Fuel Services. Each of these companies adds unique value to NSTec, enabling us to reach back for best-in-class tools to provide integrated solutions that meet our customers needs.
Our managing partner, Northrop Grumman Corporation, is a world leader in advanced defense technologies, and has extensive experience in the management of complex operations. AECOM, the world's largest architecture and engineering firm, has decades of experience at the Nevada Test Site as Holmes and Narver. CH2M Hill has demonstrated revolutionary improvements in environmental and waste management. Nuclear Fuel Services brings extensive experience in nuclear operations as the provider of nuclear fuel for the US Navy's fleet of aircraft carriers and submarines.

NSTec manages operations at the Nevada Test Site and its related facilities and laboratories for the Department of Energy, National Nuclear Security Administration, Nevada Site Office. NSTec teams with Lawrence Livermore National Laboratory, Los Alamos National Laboratory, and Sandia National Laboratories on many programs. NSTec also works on projects for other federal agencies such as the Defense Threat Reduction Agency, NASA, the Nuclear Regulatory Commission, and the U.S. Air Force, Army, and Navy. Our missions include Defense Experimentation and Stockpile Stewardship, Homeland Security and Defense Applications, and Environmental Management.

More than two-thirds of NSTec's employees work in Las Vegas, North Las Vegas, or at the Nevada Test Site (located 65 miles north of Las Vegas). The company has satellite offices in Livermore, California; Los Alamos, New Mexico; Santa Barbara, California; and Washington, D.C.

NSTec also has a small number of employees located in nine other states and two foreign countries