Excludes
Railroad Signals.

Possible NAICS Codes
339950 – Sign Manufacturing
334290 – Other Communications Equipment Manufacturing
336110 – Automobile and Light Duty Motor Vehicle Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
339999 – All Other Miscellaneous Manufacturing
335311 – Power, Distribution, and Specialty Transformer Manufacturing
238990 – All Other Specialty Trade Contractors
322120 – Paper Mills
488490 – Other Support Activities for Road Transportation
561621 – Security Systems Services (except Locksmiths)