NAICS code 333992: Welding and Soldering Equipment Manufacturing

NAICS 333992 is “Welding and Soldering Equipment Manufacturing”. 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).

Examples from the U.S. Census Bureau: Arc-welding equipment manufacturing; Electrode holders, welding, manufacturing; Electrodes, welding, manufacturing; Electron beam welding equipment manufacturing; Gas welding equipment manufacturing; and Gas welding rods, coated or cored, manufacturing.

Businesses mainly manufacturing handheld soldering irons are classified in U.S. Industry 332216, Saw Blade and Handtool Manufacturing; and manufacturing arc-welding transformers are classified in U.S. Industry 335311, Power, Distribution, and Specialty Transformer Manufacturing.

1,250 employees (average over the last 24 months), including affiliates. Source: 13 CFR 121.201, effective March 17, 2023.

SIC codes 3548 (Electric and Gas Welding and Soldering Equipment, part) and 3699 (Electrical Machinery, Equipment, and Supplies, NEC, part), from the U.S. Census Bureau concordances (1987 SIC → 2002 NAICS, carried to 2022 NAICS).

333000 (Machinery mfg.) on Schedule C, line B, from the IRS list of principal business codes. The IRS code covers NAICS 333111–333998.

Federal agencies put a NAICS code on each solicitation in SAM.gov, and some states and cities use NAICS codes too. Add 333992 to your SAM.gov registration and to your bid alerts; PublicBeam emails new bids for the codes you choose every morning.