SIC 3612 — Power, Distribution, and Specialty Transformers
Description & Classification
SIC code 3612 representing 'Power, Distribution, and Specialty Transformers' 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 335311 - Power, Distribution, and Specialty Transformer Manufacturing (via SIC1987:3612→NAICS1997:335311→2002:335311→2007:335311→2012:335311→2017:335311→2022:335311)
Classification Details
| SIC Code | 3612 |
|---|---|
| Industry Title | Power, Distribution, and Specialty Transformers |
| Division | Division D: Manufacturing |
| Major Group | Major Group 36: Electronic and Other Electrical Equipment and Components |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 3612:
- 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 36 Hub — View other legacy industries in this business division.
Related Industries in Major Group 36
Frequently Asked Questions (FAQ)
What industry does SIC code 3612 represent?
SIC 3612 is 'Power, Distribution, and Specialty Transformers', a 4-digit Standard Industrial Classification (SIC) code under Major Group 36: Electronic and Other Electrical Equipment and Components (Division D: Manufacturing); it maps to modern 2022 NAICS code(s): 335311 (Power, Distribution, and Specialty Transformer Manufacturing).
What is the modern 2022 NAICS mapping for SIC 3612?
SIC code 3612 maps to modern NAICS codes: 335311 - Power, Distribution, and Specialty Transformer Manufacturing.