SIC 3444 — Sheet Metal Work
Description & Classification
SIC code 3444 representing 'Sheet Metal 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 332439 - Other Metal Container Manufacturing (via SIC1987:3444→NAICS1997:332439→2002:332439→2007:332439→2012:332439→2017:332439→2022:332439)
- NAICS 332322 - Sheet Metal Work Manufacturing (via SIC1987:3444→NAICS1997:332322→2002:332322→2007:332322→2012:332322→2017:332322→2022:332322)
- NAICS 333414 - Heating Equipment (except Warm Air Furnaces) Manufacturing (via SIC1987:3444→NAICS1997:333414→2002:333414→2007:333414→2012:333414→2017:333414→2022:333414)
Classification Details
| SIC Code | 3444 |
|---|---|
| Industry Title | Sheet Metal Work |
| Division | Division D: Manufacturing |
| Major Group | Major Group 34: Fabricated Metal Products, Except Machinery and Transportation Equipment |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 3444:
- 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 34 Hub — View other legacy industries in this business division.
Related Industries in Major Group 34
Frequently Asked Questions (FAQ)
What industry does SIC code 3444 represent?
SIC 3444 is 'Sheet Metal Work', a 4-digit Standard Industrial Classification (SIC) code under Major Group 34: Fabricated Metal Products, Except Machinery and Transportation Equipment (Division D: Manufacturing); it maps to modern 2022 NAICS code(s): 332439 (Other Metal Container Manufacturing), 332322 (Sheet Metal Work Manufacturing).
What is the modern 2022 NAICS mapping for SIC 3444?
SIC code 3444 maps to modern NAICS codes: 332439 - Other Metal Container Manufacturing, 332322 - Sheet Metal Work Manufacturing, 333414 - Heating Equipment (except Warm Air Furnaces) Manufacturing.