The following facilities are where all US nuclear weapons are developed, manufactured and maintained:
- Pantex Plant, Texas
- Lawrence Livermore Lab, CA
- Nevada Test Site, NV
- Los Alamos National Lab, NM
- Sandia National Labs, NM
- Kansas City Plant, MO
- Y-12 National Security Complex, TN
- Savanna River National Lab, GE
- US Department of Defense, Pentagon, DC