SIC 3351 — Rolling, Drawing, and Extruding of Copper
Description & Classification
SIC code 3351 representing 'Rolling, Drawing, and Extruding of Copper' 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 331420 - Copper Rolling, Drawing, Extruding, and Alloying (via SIC1987:3351→NAICS1997:331421→2002:331421→2007:331421→2012:331420→2017:331420→2022:331420)
Classification Details
| SIC Code | 3351 |
|---|---|
| Industry Title | Rolling, Drawing, and Extruding of Copper |
| Division | Division D: Manufacturing |
| Major Group | Major Group 33: Primary Metal Industries |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 3351:
- 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 33 Hub — View other legacy industries in this business division.
Related Industries in Major Group 33
Frequently Asked Questions (FAQ)
What industry does SIC code 3351 represent?
SIC 3351 is 'Rolling, Drawing, and Extruding of Copper', a 4-digit Standard Industrial Classification (SIC) code under Major Group 33: Primary Metal Industries (Division D: Manufacturing); it maps to modern 2022 NAICS code(s): 331420 (Copper Rolling, Drawing, Extruding, and Alloying).
What is the modern 2022 NAICS mapping for SIC 3351?
SIC code 3351 maps to modern NAICS codes: 331420 - Copper Rolling, Drawing, Extruding, and Alloying.