PSC AC24 National Defense R&D Services; Atomic Energy Defense Activities; R&D Administrative Expenses

R&D
Federal Category 17.1: Research and Development Systems Development

Possible NAICS Codes
541330 – Engineering Services
541720 – Research and Development in the Social Sciences and Humanities
541511 – Custom Computer Programming Services
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
336414 – Guided Missile and Space Vehicle Manufacturing
336415 – Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing