This Annual Survey of Manufactures (ASM) rollup industry comprises establishments primarily engaged in the following North American Industry Classification System (NAICS) U.S. industries:

1. 333992 Welding and Soldering Equipment Manufacturing;
2. 333997 Scale and Balance (except Laboratory) Manufacturing; and
3. 333999 All Other Miscellaneous General Purpose Machinery Manufacturing.

333992 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).

333997 Scale and Balance (except Laboratory) Manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing scales and balances (except laboratory).

333999 All Other Miscellaneous General Purpose Machinery Manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing general purpose machinery (except ventilating, heating, air-conditioning, and commercial refrigeration equipment; metal working machinery; engines, turbines, and power transmission equipment; pumps and compressors; material handling equipment; power-driven handtools; welding and soldering equipment; packaging machinery; industrial process furnaces and ovens; fluid power cylinders and actuators; fluid power pumps and motors; and scales and balances).