Machine Shops

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.

Machining precision products, known as precision turned manufacturers--are classified in U.S. Industry 332721, Precision Turned Product Manufacturing; Manufacturing metal bolts, nuts, screws, rivets, washers, and other industrial fasteners using machines, such as headers, threaders, and nut forming machines--are classified in U.S. Industry 332722, Bolt, Nut, Screw, Rivet, and Washer Manufacturing; Manufacturing stampings (except motor vehicle)--are classified in U.S. Industry 332119, Metal Crown, Closure, and Other Metal Stamping (except Automotive); Manufacturing weldments and fabricated metal plate products--are classified in U.S. Industry 332313, Plate Work Manufacturing; Coating, engraving, and heat treating metals and metal formed products fabricated elsewhere--are classified in Industry 33281, Coating, Engraving, Heat Treating, and Allied Activities; Manufacturing foundry patterns--are classified in U.S. Industry 332999, All Other Miscellaneous Fabricated Metal Product Manufacturing; Manufacturing motor vehicle stampings--are classified in Industry 336370, Motor Vehicle Metal Stamping; and Repairing industrial machinery and equipment--are classified in Industry 811310, Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance.