SIC 3324 — Steel Investment Foundries
SIC 3324 is 'Steel Investment Foundries', 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): 331512 (Steel Investment Foundries).
Description & Classification
SIC code 3324 representing 'Steel Investment Foundries' 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 331512 - Steel Investment Foundries (via SIC1987:3324→NAICS1997:331512→2002:331512→2007:331512→2012:331512→2017:331512→2022:331512)
Classification Details
| SIC Code | 3324 |
|---|---|
| Industry Title | Steel Investment Foundries |
| 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 3324:
- 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
3312 - Steel Works, Blast Furnaces...3313 - Electrometallurgical Products, Except St...3315 - Steel Wiredrawing and Steel Nails and Sp...3316 - Cold-Rolled Steel Sheet, Strip, and Bars...3317 - Steel Pipe and Tubes...3321 - Gray and Ductile Iron Foundries...3322 - Malleable Iron Foundries...3325 - Steel Foundries, NEC...
Frequently Asked Questions (FAQ)
What industry does SIC code 3324 represent?
SIC 3324 is 'Steel Investment Foundries', 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): 331512 (Steel Investment Foundries).
What is the modern 2022 NAICS mapping for SIC 3324?
SIC code 3324 maps to modern NAICS codes: 331512 - Steel Investment Foundries.