Includes
Coils, except ignition and magneto; coil assemblies; magnetic amplifiers; reactors; transformers.

Possible NAICS Codes
334416 – Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing
335311 – Power, Distribution, and Specialty Transformer Manufacturing
333992 – Welding and Soldering Equipment Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
334413 – Semiconductor and Related Device Manufacturing
333618 – Other Engine Equipment Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
334419 – Other Electronic Component Manufacturing
444180 – Other Building Material Dealers