SIC 3322 — Malleable Iron Foundries
SIC 3322 is 'Malleable Iron 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): 331511 (Iron Foundries).
Description & Classification
SIC code 3322 representing 'Malleable Iron 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 331511 - Iron Foundries (via SIC1987:3322→NAICS1997:331511→2002:331511→2007:331511→2012:331511→2017:331511→2022:331511)
Classification Details
| SIC Code | 3322 |
|---|---|
| Industry Title | Malleable Iron 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 3322:
- 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...3324 - Steel Investment Foundries...3325 - Steel Foundries, NEC...
Frequently Asked Questions (FAQ)
What industry does SIC code 3322 represent?
SIC 3322 is 'Malleable Iron 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): 331511 (Iron Foundries).
What is the modern 2022 NAICS mapping for SIC 3322?
SIC code 3322 maps to modern NAICS codes: 331511 - Iron Foundries.