Variant of North American Industry Classification System (NAICS) 2022 Version 1.0 for Industrial production (based on the 2008 International Recommendations for Industrial Statistics)

• 1 - Industrial production
• 31-33 - Manufacturing
• 332 - Fabricated metal product manufacturing
• 3327 - Machine shops, turned product, and screw, nut and bolt manufacturing

33271 - Machine shops

This industry comprises establishments primarily engaged in operating machine tools, such as lathes (including computer numerically controlled), automatic screw machines, and machines for boring, grinding, milling and otherwise working metal, to produce machine parts and equipment, other than complete machines, for the trade. Machine shops providing custom and repair services are included.