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The following Product Service Codes (PSCs) are commonly associated with NAICS 221121, Electric Bulk Power Transmission and Control
Utilities—Electric
Description
Electric Services
Possible NAICS Codes
221122 – Electric Power Distribution
221112 – Fossil Fuel Electric Power Generation
221118 – Other Electric Power Generation
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
221210 – Natural Gas Distribution
221121 – Electric Bulk Power Transmission and Control
926130 – Regulation and Administration of Communications, Electric, Gas, and Other Utilities
238210 – Electrical Contractors and Other Wiring Installation Contractors
Electrical Control Equipment
Includes
Contactors: Motor Controllers; Power Servomechanisms; Switchgear; Voltage Regulators.
Excludes
Automatic Pilot Mechanisms; Relays; Resistors.
Possible NAICS Codes
334519 – Other Measuring and Controlling Device Manufacturing
335312 – Motor and Generator Manufacturing
335314 – Relay and Industrial Control Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
332510 – Hardware Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
333618 – Other Engine Equipment Manufacturing
335313 – Switchgear and Switchboard Apparatus Manufacturing
335311 – Power, Distribution, and Specialty Transformer Manufacturing
334413 – Semiconductor and Related Device Manufacturing
Electrical Hardware and Supplies
Includes
Conduit; Raceways; Face Plates; Condulets; Outlet and Junction Boxes; Pole Line Hardware, not elsewhere classifiable.
Possible NAICS Codes
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
335932 – Noncurrent-Carrying Wiring Device Manufacturing
335931 – Current-Carrying Wiring Device Manufacturing
327110 – Pottery, Ceramics, and Plumbing Fixture Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
423610 – Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
332510 – Hardware Manufacturing
238210 – Electrical Contractors and Other Wiring Installation Contractors
332710 – Machine Shops
335311 – Power, Distribution, and Specialty Transformer Manufacturing
Miscellaneous Electric Power and Distribution Equipment
Includes
Appliance and Extension Cords; Electric Power and Distribution Cable with Attachments, Multiapplication; Common Components of Electrical Rotating Equipment, such as End Bells and Frames.
Possible NAICS Codes
334419 – Other Electronic Component Manufacturing
335311 – Power, Distribution, and Specialty Transformer Manufacturing
335139 – Electric Lamp Bulb and Other Lighting Equipment Manufacturing
333618 – Other Engine Equipment Manufacturing
332510 – Hardware Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
336411 – Aircraft Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
Maint/Repair/Rebuild of Equipment—Electrical and Electronic Equipment Components
Description
Maintenance, Repair and Rebuilding of Equipment: Electrical and Electronic Equipment Components
Possible NAICS Codes
811210 – Electronic and Precision Equipment Repair and Maintenance
541330 – Engineering Services
238210 – Electrical Contractors and Other Wiring Installation Contractors
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
238290 – Other Building Equipment Contractors
561210 – Facilities Support Services
541519 – Other Computer Related Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
541512 – Computer Systems Design Services
Utilities—Other
Description
Other Utilities
Possible NAICS Codes
221320 – Sewage Treatment Facilities
517111 – Wired Telecommunications Carriers
221310 – Water Supply and Irrigation Systems
926130 – Regulation and Administration of Communications, Electric, Gas, and Other Utilities
221122 – Electric Power Distribution
221210 – Natural Gas Distribution
516210 – Media Streaming Distribution Services, Social Networks, and Other Media Networks and Content Providers
561210 – Facilities Support Services
562111 – Solid Waste Collection
221112 – Fossil Fuel Electric Power Generation
Maint/Repair/Rebuild of Equipment—Electric Wire and Power Distribution Equipment
Description
Maintenance, Repair and Rebuilding of Equipment: Electric Wire, and Power and Distribution Equipment
Possible NAICS Codes
811210 – Electronic and Precision Equipment Repair and Maintenance
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238210 – Electrical Contractors and Other Wiring Installation Contractors
561210 – Facilities Support Services
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
335311 – Power, Distribution, and Specialty Transformer Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
541519 – Other Computer Related Services
Generators and Generator Sets, Electrical
Includes
Engine, Turbine, Wind, and Hand Driven Generator Sets and Auxiliary Aircraft Generators.
Excludes
Motor-Converters: Motor-Generator Sets; Engine Generators; Engine Accessory Generators.
Possible NAICS Codes
335312 – Motor and Generator Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
332991 – Ball and Roller Bearing Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
333613 – Mechanical Power Transmission Equipment Manufacturing
333618 – Other Engine Equipment Manufacturing
Installation of Equipment—Electric Wire and Power Distribution Equipment
Description
Installation of Equipment: Electric Wire, and Power and Distribution Equipment
Possible NAICS Codes
238210 – Electrical Contractors and Other Wiring Installation Contractors
236220 – Commercial and Institutional Building Construction
237130 – Power and Communication Line and Related Structures Construction
335311 – Power, Distribution, and Specialty Transformer Manufacturing
221122 – Electric Power Distribution
541512 – Computer Systems Design Services
237990 – Other Heavy and Civil Engineering Construction
541519 – Other Computer Related Services
238290 – Other Building Equipment Contractors
811210 – Electronic and Precision Equipment Repair and Maintenance
Maint/Repair/Rebuild of Equipment—Alarm, Signal, and Security Detection Systems
Description
Maintenance, Repair and Rebuilding of Equipment: Alarm, Signal, and Security Detection Systems
Possible NAICS Codes
561621 – Security Systems Services (except Locksmiths)
541519 – Other Computer Related Services
334290 – Other Communications Equipment Manufacturing
811210 – Electronic and Precision Equipment Repair and Maintenance
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238210 – Electrical Contractors and Other Wiring Installation Contractors
541330 – Engineering Services
561210 – Facilities Support Services
541512 – Computer Systems Design Services
334519 – Other Measuring and Controlling Device Manufacturing
Converters, Electrical, Nonrotating
Includes
Complete Battery Charging Equipment, Nonrotating; Power Sup-plies, Multiapplication.
Excludes
Rectifying Tubes; (FSC 5960); Rectifying Crystals (FSC 5961); Rotating Equipment (FSC 6125); Transformers (FSC 5950); and Semiconductor Devices and Associated Hardware (FSC 5961).
Notes
This class includes devices employing a means other than mechanical rotation for changing electrical energy from one form to another (i.e., AC to AC, DC to DC, AC to DC, and DC to AC).
Possible NAICS Codes
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
334416 – Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing
335931 – Current-Carrying Wiring Device Manufacturing
335312 – Motor and Generator Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
333241 – Food Product Machinery Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
336611 – Ship Building and Repairing
335311 – Power, Distribution, and Specialty Transformer Manufacturing
334412 – Bare Printed Circuit Board Manufacturing
Connectors, Electrical
Includes
Plugs; Jacks; Receptacles; Electronic Component Sockets and Associated Accessories.
Excludes
Interconnectors, Fiber Optic.
Possible NAICS Codes
334417 – Electronic Connector Manufacturing
335931 – Current-Carrying Wiring Device Manufacturing
332112 – Nonferrous Forging
444180 – Other Building Material Dealers
333310 – Commercial and Service Industry Machinery Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
334419 – Other Electronic Component Manufacturing
336411 – Aircraft Manufacturing
333618 – Other Engine Equipment Manufacturing
334413 – Semiconductor and Related Device Manufacturing
Miscellaneous Battery Retaining Fixtures, Liners and Ancillary Items
Description
Miscellaneous Battery Retaining Fixtures and Liners
Includes
Battery Boxes, Covers, Liners, Racks, Retainers, and Trays.
Possible NAICS Codes
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
335311 – Power, Distribution, and Specialty Transformer Manufacturing
335910 – Battery Manufacturing
332510 – Hardware Manufacturing
339999 – All Other Miscellaneous Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
326121 – Unlaminated Plastics Profile Shape Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
Miscellaneous Electrical and Electronic Components
Includes
Permanent Magnets and Magnetostriction Elements; Caps, Clips, and Contacts, Electrical.
Possible NAICS Codes
334419 – Other Electronic Component Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
334416 – Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing
335931 – Current-Carrying Wiring Device Manufacturing
334413 – Semiconductor and Related Device Manufacturing
339991 – Gasket, Packing, and Sealing Device Manufacturing
336411 – Aircraft Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
541519 – Other Computer Related Services
334417 – Electronic Connector Manufacturing
Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware
Description
Electrical and Electronic Assemblies; Boards, Cards, and Associated Hardware
Excludes
circuit card and electronic component assemblies which can be identified to a more definitive Approved Item Name.
Possible NAICS Codes
334412 – Bare Printed Circuit Board Manufacturing
334418 – Printed Circuit Assembly (Electronic Assembly) Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
444180 – Other Building Material Dealers
334419 – Other Electronic Component Manufacturing
334413 – Semiconductor and Related Device Manufacturing
334111 – Electronic Computer Manufacturing
332919 – Other Metal Valve and Pipe Fitting Manufacturing
541519 – Other Computer Related Services