Possible NAICS Codes
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
336611 – Ship Building and Repairing
541330 – Engineering Services
541990 – All Other Professional, Scientific, and Technical Services
541380 – Testing Laboratories and Services
334519 – Other Measuring and Controlling Device Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
336999 – All Other Transportation Equipment Manufacturing
541611 – Administrative Management and General Management Consulting Services