SIC 5031 — Lumber, Plywood, Millwork, and Wood Panels
Description & Classification
SIC code 5031 representing 'Lumber, Plywood, Millwork, and Wood Panels' 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 425120 - Wholesale Trade Agents and Brokers (via SIC1987:5031→NAICS1997:42131→2002:425120→2007:425120→2012:425120→2017:425120→2022:425120)
- NAICS 423310 - Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers (via SIC1987:5031→NAICS1997:42131→2002:423310→2007:423310→2012:423310→2017:423310→2022:423310)
Classification Details
| SIC Code | 5031 |
|---|---|
| Industry Title | Lumber, Plywood, Millwork, and Wood Panels |
| Division | Division F: Wholesale Trade |
| Major Group | Major Group 50: Wholesale Trade - Durable Goods |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 5031:
- 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 50 Hub — View other legacy industries in this business division.
Related Industries in Major Group 50
Frequently Asked Questions (FAQ)
What industry does SIC code 5031 represent?
SIC 5031 is 'Lumber, Plywood, Millwork, and Wood Panels', a 4-digit Standard Industrial Classification (SIC) code under Major Group 50: Wholesale Trade - Durable Goods (Division F: Wholesale Trade); it maps to modern 2022 NAICS code(s): 425120 (Wholesale Trade Agents and Brokers), 423310 (Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers).
What is the modern 2022 NAICS mapping for SIC 5031?
SIC code 5031 maps to modern NAICS codes: 425120 - Wholesale Trade Agents and Brokers, 423310 - Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers.