SIC 3624 — Carbon and Graphite Products
Description & Classification
SIC code 3624 representing 'Carbon and Graphite Products' 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 335991 - Carbon and Graphite Product Manufacturing (via SIC1987:3624→NAICS1997:335991→2002:335991→2007:335991→2012:335991→2017:335991→2022:335991)
Classification Details
| SIC Code | 3624 |
|---|---|
| Industry Title | Carbon and Graphite Products |
| 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 3624:
- 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 3624 represent?
SIC 3624 is 'Carbon and Graphite Products', 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): 335991 (Carbon and Graphite Product Manufacturing).
What is the modern 2022 NAICS mapping for SIC 3624?
SIC code 3624 maps to modern NAICS codes: 335991 - Carbon and Graphite Product Manufacturing.