SIC 1771 — Concrete Work
Description & Classification
SIC code 1771 representing 'Concrete Work' is an industry category in the Standard Industrial Classification (SIC) system under U.S. OSHA and Federal procurement registers.
Modern NAICS Crosswalk
Trace the modern equivalent classifications in the 2022 North American Industry Classification System (NAICS) database:
- NAICS 238140 - Masonry Contractors (via SIC1987:1771→NAICS1997:23542→2002:238140→2007:238140→2012:238140→2017:238140→2022:238140)
- NAICS 238310 - Drywall and Insulation Contractors (via SIC1987:1771→NAICS1997:23542→2002:238310→2007:238310→2012:238310→2017:238310→2022:238310)
- NAICS 238990 - All Other Specialty Trade Contractors (via SIC1987:1771→NAICS1997:23571→2002:238990→2007:238990→2012:238990→2017:238990→2022:238990)
- NAICS 238110 - Poured Concrete Foundation and Structure Contractors (via SIC1987:1771→NAICS1997:23571→2002:238110→2007:238110→2012:238110→2017:238110→2022:238110)
Classification Details
| SIC Code | 1771 |
|---|---|
| Industry Title | Concrete Work |
| Division | Division C: Construction |
| Major Group | Major Group 17: Construction - Special Trade Contractors |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 1771:
- SIC Codes Complete Compliance Guide — Detailed history and active legal applications of the SIC classification framework.
- Why Legacy SIC Codes Persist Guide — How credit systems and the SEC still rely on SIC metadata.
- SIC ↔ NAICS Crosswalk Tool — Trace industrial code conversions dynamically.
- SIC Major Group 17 Hub — View other legacy industries in this business division.
Related Industries in Major Group 17
Frequently Asked Questions (FAQ)
What industry does SIC code 1771 represent?
SIC 1771 is 'Concrete Work', a 4-digit Standard Industrial Classification (SIC) code under Major Group 17: Construction - Special Trade Contractors (Division C: Construction); it maps to modern 2022 NAICS code(s): 238140 (Masonry Contractors), 238310 (Drywall and Insulation Contractors).
What is the modern 2022 NAICS mapping for SIC 1771?
SIC code 1771 maps to modern NAICS codes: 238140 - Masonry Contractors, 238310 - Drywall and Insulation Contractors, 238990 - All Other Specialty Trade Contractors, 238110 - Poured Concrete Foundation and Structure Contractors.