Variant of North American Industry Classification System (NAICS) 2022 Version 1.0 for Energy sector
- 3331 - Agricultural, construction and mining machinery manufacturing
- 33311 - Agricultural implement manufacturing
- 333110 - Agricultural implement manufacturingCAN
- 33312 - Construction machinery manufacturing
- 333120 - Construction machinery manufacturing
- 33313 - Mining and oil and gas field machinery manufacturing
- 333130 - Mining and oil and gas field machinery manufacturingMEX
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