Description
Electric Services

Possible NAICS Codes
221122 – Electric Power Distribution
221112 – Fossil Fuel Electric Power Generation
221118 – Other Electric Power Generation
221210 – Natural Gas Distribution
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
926130 – Regulation and Administration of Communications, Electric, Gas, and Other Utilities
221121 – Electric Bulk Power Transmission and Control
238210 – Electrical Contractors and Other Wiring Installation Contractors

Description
Gas Services

Possible NAICS Codes
221210 – Natural Gas Distribution
221122 – Electric Power Distribution
211130 – Natural Gas Extraction
221112 – Fossil Fuel Electric Power Generation
221118 – Other Electric Power Generation
926130 – Regulation and Administration of Communications, Electric, Gas, and Other Utilities
211120 – Crude Petroleum Extraction

Description
Other Utilities

Possible NAICS Codes
221320 – Sewage Treatment Facilities
517111 – Wired Telecommunications Carriers
516210 – Media Streaming Distribution Services, Social Networks, and Other Media Networks and Content Providers
221310 – Water Supply and Irrigation Systems
221122 – Electric Power Distribution
926130 – Regulation and Administration of Communications, Electric, Gas, and Other Utilities
562111 – Solid Waste Collection
221210 – Natural Gas Distribution
517122 – Agents for Wireless Telecommunications Services
517112 – Wireless Telecommunications Carriers (except Satellite)

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
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
335311 – Power, Distribution, and Specialty Transformer Manufacturing
238210 – Electrical Contractors and Other Wiring Installation Contractors
423830 – Industrial Machinery and Equipment Merchant Wholesalers
423610 – Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
332991 – Ball and Roller Bearing Manufacturing

Possible NAICS Codes
531120 – Lessors of Nonresidential Buildings (except Miniwarehouses)
221122 – Electric Power Distribution
721110 – Hotels (except Casino Hotels) and Motels
561210 – Facilities Support Services
711310 – Promoters of Performing Arts, Sports, and Similar Events with Facilities
321991 – Manufactured Home (Mobile Home) Manufacturing
531190 – Lessors of Other Real Estate Property
531130 – Lessors of Miniwarehouses and Self-Storage Units
531110 – Lessors of Residential Buildings and Dwellings
713990 – All Other Amusement and Recreation Industries

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
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
335139 – Electric Lamp Bulb and Other Lighting Equipment Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332510 – Hardware Manufacturing
333618 – Other Engine Equipment Manufacturing
336411 – Aircraft Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing

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
423610 – Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
335931 – Current-Carrying Wiring Device Manufacturing
238210 – Electrical Contractors and Other Wiring Installation Contractors
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332710 – Machine Shops
444140 – Hardware Retailers
423710 – Hardware Merchant Wholesalers
327110 – Pottery, Ceramics, and Plumbing Fixture Manufacturing

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
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
332510 – Hardware Manufacturing
335313 – Switchgear and Switchboard Apparatus Manufacturing
423610 – Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
335311 – Power, Distribution, and Specialty Transformer Manufacturing
238210 – Electrical Contractors and Other Wiring Installation Contractors
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing

Description
Maintenance, Repair and Rebuilding of Equipment: Electrical and Electronic Equipment Components

Possible NAICS Codes
811210 – Electronic and Precision Equipment Repair and Maintenance
238210 – Electrical Contractors and Other Wiring Installation Contractors
541330 – Engineering Services
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
334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
334515 – Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing

Description
Landscaping/Groundskeeping Services

Possible NAICS Codes
561730 – Landscaping Services
561210 – Facilities Support Services
561720 – Janitorial Services

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
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
335311 – Power, Distribution, and Specialty Transformer Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
488190 – Other Support Activities for Air Transportation

Description
Water Services

Possible NAICS Codes
221310 – Water Supply and Irrigation Systems
221320 – Sewage Treatment Facilities
926130 – Regulation and Administration of Communications, Electric, Gas, and Other Utilities
237110 – Water and Sewer Line and Related Structures Construction
312112 – Bottled Water Manufacturing
221210 – Natural Gas Distribution

Excludes
Potential and Current Transformers.

Notes
This class includes transformers with a kilovolt-ampere rating above 1 kva.

Possible NAICS Codes
335311 – Power, Distribution, and Specialty Transformer Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
334416 – Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing
335313 – Switchgear and Switchboard Apparatus Manufacturing
238210 – Electrical Contractors and Other Wiring Installation Contractors
221122 – Electric Power Distribution
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
335312 – Motor and Generator Manufacturing
334419 – Other Electronic Component Manufacturing

Includes
Circuit Breakers and Cutouts.

Excludes
Relays.

Possible NAICS Codes
335313 – Switchgear and Switchboard Apparatus Manufacturing
221118 – Other Electric Power Generation
423610 – Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
444180 – Other Building Material Dealers
333618 – Other Engine Equipment Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
334419 – Other Electronic Component Manufacturing
333120 – Construction Machinery Manufacturing
334412 – Bare Printed Circuit Board Manufacturing

Description
Installation of Equipment: Electrical and Electronic Equipment Components

Possible NAICS Codes
238210 – Electrical Contractors and Other Wiring Installation Contractors
541512 – Computer Systems Design Services
541330 – Engineering Services
541519 – Other Computer Related Services
561621 – Security Systems Services (except Locksmiths)
334290 – Other Communications Equipment Manufacturing
811210 – Electronic and Precision Equipment Repair and Maintenance
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
236220 – Commercial and Institutional Building Construction
517111 – Wired Telecommunications Carriers