SIC 3443 — Fabricated Plate Work
Description & Classification
SIC code 3443 representing 'Fabricated Plate 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 332313 - Plate Work Manufacturing (via SIC1987:3443→NAICS1997:332313→2002:332313→2007:332313→2012:332313→2017:332313→2022:332313)
- NAICS 332420 - Metal Tank (Heavy Gauge) Manufacturing (via SIC1987:3443→NAICS1997:33242→2002:332420→2007:332420→2012:332420→2017:332420→2022:332420)
- NAICS 332410 - Power Boiler and Heat Exchanger Manufacturing (via SIC1987:3443→NAICS1997:33241→2002:332410→2007:332410→2012:332410→2017:332410→2022:332410)
- NAICS 333414 - Heating Equipment (except Warm Air Furnaces) Manufacturing (via SIC1987:3443→NAICS1997:333414→2002:333414→2007:333414→2012:333414→2017:333414→2022:333414)
Classification Details
| SIC Code | 3443 |
|---|---|
| Industry Title | Fabricated Plate 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 3443:
- 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 3443 represent?
SIC 3443 is 'Fabricated Plate 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): 332313 (Plate Work Manufacturing), 332420 (Metal Tank (Heavy Gauge) Manufacturing).
What is the modern 2022 NAICS mapping for SIC 3443?
SIC code 3443 maps to modern NAICS codes: 332313 - Plate Work Manufacturing, 332420 - Metal Tank (Heavy Gauge) Manufacturing, 332410 - Power Boiler and Heat Exchanger Manufacturing, 333414 - Heating Equipment (except Warm Air Furnaces) Manufacturing.