NAICS Code 333992 — Welding and Soldering Equipment Manufacturing

National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is one of 7 national industries under 33399 (All Other General Purpose Machinery Manufacturing).

Code	333992
Title	Welding and Soldering Equipment Manufacturing
Level	National Industry (6-digit)
Edition	NAICS 2022 edition
SBA size standard	1,250 employees

Official definition (2022 NAICS)

This U.S. industry comprises establishments primarily engaged in manufacturing welding and soldering equipment and accessories (except transformers), such as arc, resistance, gas, plasma, laser, electron beam, and ultrasonic welding equipment; welding electrodes; coated or cored welding wire; and soldering equipment (except handheld).

Is a business under 333992 "small"?

Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 333992 qualifies as a small business if it does not exceed 1,250 employees. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — employee count is averaged over the latest 24 months.

Where 333992 sits in the hierarchy

Level	Code	Title
Sector	31-33	Manufacturing
Subsector	333	Machinery Manufacturing
Industry Group	3339	Other General Purpose Machinery Manufacturing
NAICS Industry	33399	All Other General Purpose Machinery Manufacturing
National Industry	333992	Welding and Soldering Equipment Manufacturing

Related SIC codes

Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.

SIC code	Title
3548	Electric and Gas Welding and Soldering Equipment
3699	Electrical Machinery, Equipment, and Supplies, Not Elsewhere Classified

Related National Industry codes

• 333991 — Power-Driven Handtool Manufacturing
• 333993 — Packaging Machinery Manufacturing
• 333994 — Industrial Process Furnace and Oven Manufacturing
• 333995 — Fluid Power Cylinder and Actuator Manufacturing
• 333996 — Fluid Power Pump and Motor Manufacturing
• 333998 — All Other Miscellaneous General Purpose Machinery Manufacturing

Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.