SIC 1742 — Plastering, Drywall, Acoustical, and Insulation Work
Description & Classification
SIC code 1742 representing 'Plastering, Drywall, Acoustical, and Insulation 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 SIC1987:1742→NAICS1997:23542→2002:238140→2007:238140→2012:238140→2017:238140→2022:238140)
- NAICS 238310 - Drywall and Insulation Contractors (via SIC1987:1742→NAICS1997:23542→2002:238310→2007:238310→2012:238310→2017:238310→2022:238310)
Classification Details
| SIC Code | 1742 |
|---|---|
| Industry Title | Plastering, Drywall, Acoustical, and Insulation 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 1742:
- 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 1742 represent?
SIC 1742 is 'Plastering, Drywall, Acoustical, and Insulation 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 1742?
SIC code 1742 maps to modern NAICS codes: 238140 - Masonry Contractors, 238310 - Drywall and Insulation Contractors.