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Electric and Gas Welding and Soldering Equipment

SIC Industry 3548 — NAICS² Industries 333992 & 335311

SIC [1987] → Manufacturing → Industrial Machinery & Equipment → Metalworking Machinery → Welding apparatus

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Businesses & Products of SIC Industry 3548

Arc-welder transformers (separate)
Arc-welders, transformer-rectifier
Arc-welding generators, a.c. and d.c.
Electrode holders for electric welding apparatus
Electrodes, electric welding
Gas welding equipment
Generators (separate) for arc-welders
Resistance welders, electric
Robots for welding, soldering, or brazing
Seam welding apparatus, gas and electric
Soldering equipment, except soldering irons
Spot welding apparatus, gas and electric
Transformers (separate) for arc-welders
Welding accessories, electric and gas
Welding and cutting apparatus, gas or electric
Welding wire, bare and coated

Description of SIC Industry 3548 — Electric and Gas Welding and Soldering Equipment

Establishments primarily engaged in manufacturing electric and gas welding and soldering equipment and accessories. Also included are establishments primarily engaged in coating welding wire from purchased wire or from wire drawn in the same establishment. Establishments primarily engaged in manufacturing handheld soldering irons are classified in Industry 3423, and those manufacturing electron beam, ultrasonic, and laser welding equipment are classified in Industry 3699.

² North American Industry Classification System (NAICS)

SIC [1987] Industry 3548 ⇒ NAICS [2012] Industry Codes

*NAICS Code*	*North American Industry*		*SIC Codes*

333992	Welding and Soldering Equipment Manufacturing	⇒	3548, 3699
335311	Power, Distribution, and Specialty Transformer Manufacturing	⇒	3548, 3612

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