Variant of NAICS 1997 - Goods and services
- 2322 - Building Structure Work
- 23221 - Forming Work
- 232210 - Forming Work
- 23222 - Concrete Pouring and Finishing Work
- 232220 - Concrete Pouring and Finishing Work
- 23223 - Structural Steel and Precast Concrete Erection Work
- 232230 - Structural Steel and Precast Concrete Erection Work
- 23224 - Crane Rental Services
- 232240 - Crane Rental Services
- 23225 - Framing and Rough Carpentry Work
- 232250 - Framing and Rough Carpentry Work
- 23229 - Other Building Structure Work
- 232290 - Other Building Structure Work
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