NAICS 334511 — Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 
BEA sector: Search, detection, and navigation instruments manufacturing
Activity: Sonar fish finders manufacturing
Activity: Sonar systems and equipment manufacturing
Activity: Space vehicle guidance systems and equipment manufacturing
Activity: Speed, pitch, and roll navigational instruments and systems manufacturing
Activity: Taffrail logs manufacturing
Activity: Underwater navigational systems manufacturing
Activity: Warfare countermeasures equipment manufacturing
Activity: Wheel position indicators and transmitters, aircraft, manufacturing