North American Industry Classification System (NAICS) 2002
- 31-33 - Manufacturing
- 332 - Fabricated Metal Product Manufacturing
- 3327 - Machine Shops, Turned Product, and Screw, Nut and Bolt Manufacturing
- 33272 - Turned Product and Screw, Nut and Bolt Manufacturing
- 332720 - Turned Product and Screw, Nut and Bolt ManufacturingMEX
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