Electrical Contractors, Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals, Motor and Generator Manufacturing, Switchgear and Switchboard Apparatus Manufacturing, Relay and Industrial Control Manufacturing

Semiconductor and Related Device Manufacturing, Electronic Capacitor Manufacturing, Electronic Resistor Manufacturing, Electronic Coil, Transformer, and Other Inductor Manufacturing, Electronic Connector Manufacturing

Electronic Capacitor Manufacturing, Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial, Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals, Power, Distribution, and Specialty Transformer Manufacturing, Switchgear and Switchboard Apparatus Manufacturing

Machine Shops, Precision Turned Product Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, All Other Miscellaneous Fabricated Metal Product Manufacturing, Relay and Industrial Control Manufacturing

Power and Communication Line and Related Structures Construction, Other Heavy and Civil Engineering Construction, Metal Tank (Heavy Gauge) Manufacturing, Irradiation Apparatus Manufacturing, Relay and Industrial Control Manufacturing

Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing, Other Lighting Equipment Manufacturing, Relay and Industrial Control Manufacturing, Current-Carrying Wiring Device Manufacturing, All Other Business Support Services