SIC 2631 — Paperboard Mills
SIC 2631 is 'Paperboard Mills', a 4-digit Standard Industrial Classification (SIC) code under Major Group 26: Paper and Allied Products (Division D: Manufacturing); it maps to modern 2022 NAICS code(s): 322130 (Paperboard Mills).
Description & Classification
SIC code 2631 representing 'Paperboard Mills' 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 322130 - Paperboard Mills (via SIC1987:2631→NAICS1997:32213→2002:322130→2007:322130→2012:322130→2017:322130→2022:322130)
Classification Details
| SIC Code | 2631 |
|---|---|
| Industry Title | Paperboard Mills |
| Division | Division D: Manufacturing |
| Major Group | Major Group 26: Paper and Allied Products |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 2631:
- 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 26 Hub — View other legacy industries in this business division.
Related Industries in Major Group 26
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Frequently Asked Questions (FAQ)
What industry does SIC code 2631 represent?
SIC 2631 is 'Paperboard Mills', a 4-digit Standard Industrial Classification (SIC) code under Major Group 26: Paper and Allied Products (Division D: Manufacturing); it maps to modern 2022 NAICS code(s): 322130 (Paperboard Mills).
What is the modern 2022 NAICS mapping for SIC 2631?
SIC code 2631 maps to modern NAICS codes: 322130 - Paperboard Mills.