Possible NAICS Codes
457210 – Fuel Dealers
324110 – Petroleum Refineries
424720 – Petroleum and Petroleum Products Merchant Wholesalers (except Bulk Stations and Terminals)
486110 – Pipeline Transportation of Crude Oil
332420 – Metal Tank (Heavy Gauge) Manufacturing
333132 – Oil and Gas Field Machinery and Equipment Manufacturing
561210 – Facilities Support Services
213112 – Support Activities for Oil and Gas Operations
237120 – Oil and Gas Pipeline and Related Structures Construction
339991 – Gasket, Packing, and Sealing Device Manufacturing

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
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
333618 – Other Engine Equipment Manufacturing
336411 – Aircraft Manufacturing

Includes
Accounting and adding machines and electronic calculators.

Excludes
Punched card system machines; Machines or devices that can be applied to a variety of problems by the internal execution of a series of instructions, not limited to specific keystroke functions, but controlled by a general purpose data processing language.

Possible NAICS Codes
339940 – Office Supplies (except Paper) Manufacturing
459410 – Office Supplies and Stationery Retailers
424130 – Industrial and Personal Service Paper Merchant Wholesalers
424120 – Stationery and Office Supplies Merchant Wholesalers
334111 – Electronic Computer Manufacturing
334118 – Computer Terminal and Other Computer Peripheral Equipment Manufacturing
541519 – Other Computer Related Services
513210 – Software Publishers
334514 – Totalizing Fluid Meter and Counting Device Manufacturing

Includes
Crayons; Erasers; File Holders; Writing Ink; Printing Ink; Paper Fasteners; Pencils; Penholders and Pen Points; Rulers, Office Type; Art Supplies; Tape, Pressure Sensitive Adhesive

Excludes
Office Devices; Fountain Pens; Artists' Brushes; Paper Stationery; Record Forms; Mechanical Pencils.

Possible NAICS Codes
339940 – Office Supplies (except Paper) Manufacturing
459410 – Office Supplies and Stationery Retailers
322230 – Stationery Product Manufacturing
322120 – Paper Mills
444110 – Home Centers
325992 – Photographic Film, Paper, Plate, Chemical, and Copy Toner Manufacturing
424130 – Industrial and Personal Service Paper Merchant Wholesalers