SIC 3566 — Speed Changers, Industrial High-Speed Drives, and Gears
Description & Classification
SIC code 3566 representing 'Speed Changers, Industrial High-Speed Drives, and Gears' 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 333612 - Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing (via SIC1987:3566→NAICS1997:333612→2002:333612→2007:333612→2012:333612→2017:333612→2022:333612)
Classification Details
| SIC Code | 3566 |
|---|---|
| Industry Title | Speed Changers, Industrial High-Speed Drives, and Gears |
| Division | Division D: Manufacturing |
| Major Group | Major Group 35: Industrial and Commercial Machinery and Computer Equipment |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 3566:
- 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 35 Hub — View other legacy industries in this business division.
Related Industries in Major Group 35
Frequently Asked Questions (FAQ)
What industry does SIC code 3566 represent?
SIC 3566 is 'Speed Changers, Industrial High-Speed Drives, and Gears', a 4-digit Standard Industrial Classification (SIC) code under Major Group 35: Industrial and Commercial Machinery and Computer Equipment (Division D: Manufacturing); it maps to modern 2022 NAICS code(s): 333612 (Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing).
What is the modern 2022 NAICS mapping for SIC 3566?
SIC code 3566 maps to modern NAICS codes: 333612 - Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing.