The following Product Service Codes (PSCs) are commonly associated with NAICS 333992, Welding and Soldering Equipment Manufacturing

PSC 3431 Electric Arc Welding Equipment

Products
Federal Category 5.1: Industrial Products & Services Machinery & Components

Includes
Gas Shielded Arc Welding Machines; Arc Bonding Machines; Semi-Automatic and Automatic Arc Welding Machines.

Excludes
Welding Supplies, and Associated Equipment such as: Flux Recovery Machines; Flux Dispensers; Tacker Panels; Welding Panels.

Possible NAICS Codes
333992 – Welding and Soldering Equipment Manufacturing
333921 – Elevator and Moving Stairway Manufacturing
444110 – Home Centers
444140 – Hardware Retailers
332510 – Hardware Manufacturing
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
423710 – Hardware Merchant Wholesalers

PSC 3433 Gas Welding, Heat Cutting, and Metalizing Equipment

Products

PSC 6145 Wire and Cable, Electrical

Products
Federal Category 13.3: Electronic & Communication Equipment Electrical & Electronics Equipment

Includes
Insulated and Noninsulated, Wire and Cable, such as, Antenna Wire, Coaxial Cable, Fuse and Resistance Wire, and Magnet Wire.

Excludes
Radio Frequency Transmission Line (FSC 5985); Fiber Optic Cable (FSC 6015); Communication Cable Assemblies; (FSC 5995); Distribution and Power Transmission Cable Assemblies (FSC 6150).

Notes
This class includes only bulk electrical wire and cable. Excluded from this class are electrical wire and cable items of definite length either with processed ends, or terminated in fittings

Possible NAICS Codes
335929 – Other Communication and Energy Wire Manufacturing
331318 – Other Aluminum Rolling, Drawing, and Extruding
331420 – Copper Rolling, Drawing, Extruding, and Alloying
332216 – Saw Blade and Handtool Manufacturing
331491 – Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
334416 – Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
335931 – Current-Carrying Wiring Device Manufacturing
238210 – Electrical Contractors and Other Wiring Installation Contractors
423610 – Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers

PSC 6625 Electrical and Electronic Properties Measuring and Testing Instruments

Products
Federal Category 5.4: Industrial Products & Services Test & Measurement Supplies

Includes
Test Leads and Test Lead Attachments; Test instruments designed for communication equipment; Test instruments designed for use with electronic equipment classified in two or more FSC groups.

Excludes
Radiac Equipment.

Notes
This class includes all "basic" types of electrical and electronic test instruments, such as ammeters, voltmeters, ohmmeters, multimeters, and similar instruments, even if specially designed. Excluded from this class by the modifier "except specially designed" are test instruments, other than "basic" instruments, which are specially designed for use with atomic ordnance, fire control, guided missile, motor vehicle, aircraft, or photographic equipment. Such specially designed test instruments are to be classified in other classes in the Federal Supply Classification. This class includes communications test equipment, infrared test equipment designed for communication, and night vision maintenance and test specialized equipment.

Possible NAICS Codes
334515 – Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals
334514 – Totalizing Fluid Meter and Counting Device Manufacturing
334412 – Bare Printed Circuit Board Manufacturing
334513 – Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
334519 – Other Measuring and Controlling Device Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing
334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
334290 – Other Communications Equipment Manufacturing

PSC 6640 Laboratory Equipment and Supplies

Products
Federal Category 5.4: Industrial Products & Services Test & Measurement Supplies

Includes
Laboratory Glassware; Laboratory Funnels; Laboratory Furnaces; Glass Beads; Laboratory White Sand; Litmus Paper; Paper Filters; Insect Transfixion Pins; Laboratory Glass Wool; Laboratory Furniture, except Dental Laboratory.

Excludes
Instruments covered by other classes in group 66; Dental Laboratory Equipment; Laboratory Scales and Balances; In Vitro Diagnostic Substances and Reagents.

Possible NAICS Codes
423450 – Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers
339999 – All Other Miscellaneous Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing