Variant of North American Industry Classification System (NAICS) 2022 Version 1.0 for Energy sector
- Non E - Industries not included in the energy sector
- 23 - Construction
- 238 - Specialty trade contractors
- 2381 - Foundation, structure, and building exterior contractors
- 23812 - Structural steel and precast concrete contractors
- 238120 - Structural steel and precast concrete contractorsUS
- Date modified: