SIC 2421 — Sawmills and Planing Mills, General
Description & Classification
SIC code 2421 representing 'Sawmills and Planing Mills, General' 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 321113 - Sawmills (via SIC1987:2421→NAICS1997:321113→2002:321113→2007:321113→2012:321113→2017:321113→2022:321113)
- NAICS 321912 - Cut Stock, Resawing Lumber, and Planing (via SIC1987:2421→NAICS1997:321912→2002:321912→2007:321912→2012:321912→2017:321912→2022:321912)
- NAICS 321999 - All Other Miscellaneous Wood Product Manufacturing (via SIC1987:2421→NAICS1997:321999→2002:321999→2007:321999→2012:321999→2017:321999→2022:321999)
- NAICS 321918 - Other Millwork (including Flooring) (via SIC1987:2421→NAICS1997:321918→2002:321918→2007:321918→2012:321918→2017:321918→2022:321918)
Classification Details
| SIC Code | 2421 |
|---|---|
| Industry Title | Sawmills and Planing Mills, General |
| Division | Division D: Manufacturing |
| Major Group | Major Group 24: Lumber and Wood Products, Except Furniture |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 2421:
- 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 24 Hub — View other legacy industries in this business division.
Related Industries in Major Group 24
Frequently Asked Questions (FAQ)
What industry does SIC code 2421 represent?
SIC 2421 is 'Sawmills and Planing Mills, General', a 4-digit Standard Industrial Classification (SIC) code under Major Group 24: Lumber and Wood Products, Except Furniture (Division D: Manufacturing); it maps to modern 2022 NAICS code(s): 321113 (Sawmills), 321912 (Cut Stock, Resawing Lumber, and Planing).
What is the modern 2022 NAICS mapping for SIC 2421?
SIC code 2421 maps to modern NAICS codes: 321113 - Sawmills, 321912 - Cut Stock, Resawing Lumber, and Planing, 321999 - All Other Miscellaneous Wood Product Manufacturing, 321918 - Other Millwork (including Flooring).