Possible NAICS Codes
486210 – Pipeline Transportation of Natural Gas
237120 – Oil and Gas Pipeline and Related Structures Construction
811210 – Electronic and Precision Equipment Repair and Maintenance
921190 – Other General Government Support
811412 – Appliance Repair and Maintenance
339991 – Gasket, Packing, and Sealing Device Manufacturing
238320 – Painting and Wall Covering Contractors
237310 – Highway, Street, and Bridge Construction
237130 – Power and Communication Line and Related Structures Construction
236118 – Residential Remodelers

Possible NAICS Codes
531190 – Lessors of Other Real Estate Property
721211 – RV (Recreational Vehicle) Parks and Campgrounds
531120 – Lessors of Nonresidential Buildings (except Miniwarehouses)
237130 – Power and Communication Line and Related Structures Construction
812930 – Parking Lots and Garages
921190 – Other General Government Support
531130 – Lessors of Miniwarehouses and Self-Storage Units
516210 – Media Streaming Distribution Services, Social Networks, and Other Media Networks and Content Providers
811210 – Electronic and Precision Equipment Repair and Maintenance
517810 – All Other Telecommunications

Description
Gas Services

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

Possible NAICS Codes
561210 – Facilities Support Services
236220 – Commercial and Institutional Building Construction
238220 – Plumbing, Heating, and Air-Conditioning Contractors
238290 – Other Building Equipment Contractors
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238320 – Painting and Wall Covering Contractors
236210 – Industrial Building Construction
541690 – Other Scientific and Technical Consulting Services

Description
Technical Representation Services: Pipe, Tubing, Hose, and Fittings

Possible NAICS Codes
486210 – Pipeline Transportation of Natural Gas
332919 – Other Metal Valve and Pipe Fitting Manufacturing

Includes
Anesthesia Apparatus; Blood Transfusion Apparatus; Oxygen Therapy Apparatus; Respirators; Orthopedic Supplies; Arch Supports; Clinical Thermometers; Sutures; Hearing Aids; Veterinary Equipment, Endoscopes, Fiber Optic.

Excludes
Ophthalmic Instruments, Equipment, and Supplies; Non-Medical Endoscopes.

Possible NAICS Codes
423450 – Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers
339113 – Surgical Appliance and Supplies Manufacturing
325411 – Medicinal and Botanical Manufacturing
339112 – Surgical and Medical Instrument Manufacturing