Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
31-33├Manufacturing
334├Computer and Electronic Product Manufacturing
3345├Navigational, Measuring, Electromedical, and Control Instruments Manufacturing
33451├Navigational, Measuring, Electromedical, and Control Instruments Manufacturing
334511└Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing