Machine Shops
Key Figures
Figures are published for NAICS 33271 directly.
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Official definition
This industry comprises establishments known as machine shops primarily engaged in machining metal and plastic parts and parts of other composite materials on a job or order basis. Generally machine shop jobs are low volume using machine tools, such as lathes (including computer numerically controlled); automatic screw machines; and machines for boring, grinding, milling, and additive manufacturing.
Source: US Census Bureau, 2017 NAICS Definitions. Public domain. Census publishes this definition under NAICS 332710, the only detailed industry in this group.
Which code does this activity belong in?
Machine shops perform custom machining of metal and plastic parts on a job or order basis using machine tools like lathes, automatic screw machines, and grinding or milling equipment. The distinction from turned product and fastener manufacturing lies in the nature of the work: machine shops handle low-volume custom machining jobs across diverse applications, while turned product and fastener manufacturers focus on precision turned products or the production of standardized industrial fasteners such as bolts, nuts, and screws, whether custom or not.
Written for NAICS 332710, the only detailed industry in this group.