Electrical Contractors, Plumbing, Heating, and Air-Conditioning Contractors, Hand and Edge Tool Manufacturing, Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals, Motor and Generator Manufacturing

Other Computer Peripheral Equipment Manufacturing, Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing, Other Communications Equipment Manufacturing, Electronic Connector Manufacturing, Fiber Optic Cable Manufacturing

All Other Miscellaneous General Purpose Machinery Manufacturing, Other Communications Equipment Manufacturing, Semiconductor and Related Device Manufacturing, Electronic Coil, Transformer, and Other Inductor Manufacturing, Printed Circuit Assembly (Electronic Assembly) Manufacturing

Machine Shops, Precision Turned Product Manufacturing, All Other Miscellaneous Fabricated Metal Product Manufacturing, Power, Distribution, and Specialty Transformer Manufacturing, Switchgear and Switchboard Apparatus Manufacturing

Specialty Canning, Narrow Fabric Mills, Explosives Manufacturing, Aluminum Die-Casting Foundries, Iron and Steel Forging

Fiber Optic Cable Manufacturing, Current-Carrying Wiring Device Manufacturing, Noncurrent-Carrying Wiring Device Manufacturing

Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals, Other Measuring and Controlling Device Manufacturing, Current-Carrying Wiring Device Manufacturing, General Automotive Repair, Automotive Exhaust System Repair

Telephone Apparatus Manufacturing, Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing, Other Communications Equipment Manufacturing, Electronic Coil, Transformer, and Other Inductor Manufacturing, Electronic Connector Manufacturing

Power and Communication Line and Related Structures Construction, Other Building Equipment Contractors, All Other Plastics Product Manufacturing, Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Hardware Manufacturing

Power and Communication Line and Related Structures Construction, Electrical Contractors, All Other Specialty Trade Contractors, Other Fabricated Wire Product Manufacturing, Fiber Optic Cable Manufacturing

Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Machine Tool (Metal Cutting Types) Manufacturing, Current-Carrying Wiring Device Manufacturing, Surgical and Medical Instrument Manufacturing

Crown and Closure Manufacturing, Sheet Metal Work Manufacturing, Hardware Manufacturing, Industrial Valve Manufacturing, Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipmen

Current-Carrying Wiring Device Manufacturing, All Other Miscellaneous Electrical Equipment and Component Manufacturing

Current-Carrying Wiring Device Manufacturing, Motor Vehicle Supplies and New Parts Merchant Wholesalers, Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers