Registry · SIC Index · Group 24

SIC 2491 — Wood Preserving

SIC 2491 is 'Wood Preserving', 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): 321114 (Wood Preservation).

Description & Classification

SIC code 2491 representing 'Wood Preserving' 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:

Classification Details

SIC Code2491
Industry TitleWood Preserving
DivisionDivision D: Manufacturing
Major GroupMajor Group 24: Lumber and Wood Products, Except Furniture
Source / VerifiedUS Census 1987 SIC Concordance / 2026-06-28

Related Resources & Compliance Guides

Further regulatory reference links for legacy SIC code 2491:

Related Industries in Major Group 24

2411 - Logging...2421 - Sawmills and Planing Mills, General...2426 - Hardwood Dimension and Flooring Mills...2429 - Special Product Sawmills, NEC...2431 - Millwork...2434 - Wood Kitchen Cabinets...2435 - Hardwood Veneer and Plywood...2436 - Softwood Veneer and Plywood...

Frequently Asked Questions (FAQ)

What industry does SIC code 2491 represent?

SIC 2491 is 'Wood Preserving', 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): 321114 (Wood Preservation).

What is the modern 2022 NAICS mapping for SIC 2491?

SIC code 2491 maps to modern NAICS codes: 321114 - Wood Preservation.