Convert industry codes
Verified correspondences first — official tables and exact code matches. Where no verified mapping exists, we show clearly-labeled inferred matches through a standardized ISIC bucket, never presented as exact. How it works →
SIC177Concrete WorkNAICS
No one-to-one equivalent. The closest verified matches are below.
Approximate9
Same family via official correspondence tables (via ISIC 434, 421) — related activities, not one-to-one matches.
- 2381Foundation, Structure, and Building Exterior ContractorsDetails →
- 2389Other Specialty Trade ContractorsDetails →
- 2383Building Finishing ContractorsDetails →
- 2382Building Equipment ContractorsDetails →
- 2362Nonresidential Building ConstructionDetails →
- 2131Support Activities for MiningDetails →
- 2373Highway, Street, and Bridge ConstructionDetails →
- 2379Other Heavy and Civil Engineering ConstructionDetails →
- 5617Services to Buildings and DwellingsDetails →
Inferred8
Share the same standardized ISIC bucket, ranked by description similarity — not from an official table.
Show 8 inferred matches
- 23812Structural Steel and Precast Concrete ContractorsDetails →
- 23811Poured Concrete Foundation and Structure ContractorsDetails →
- 23891Site Preparation ContractorsDetails →
- 23817Siding ContractorsDetails →
- 23813Framing ContractorsDetails →
- 23814Masonry ContractorsDetails →
- 23816Roofing ContractorsDetails →
- 23833Flooring ContractorsDetails →
Grouped by evidence strength · How our conversions work →