321113 — Sawmills
Description
This U.S. industry comprises establishments primarily engaged in sawing dimension lumber, boards, beams, timbers, poles, ties, shingles, shakes, siding, and wood chips from logs or bolts. Sawmills may plane the rough lumber that they make with a planing machine to achieve smoothness and uniformity of size (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Exclusions & Cross-References
- Planing purchased lumber or manufacturing cut stock or dimension stock (i.e., shapes) from logs or bolts--
- are classified in Industry 32191, Millwork;
- Manufacturing veneer from logs or bolts--are classified in Industry 32121, Veneer, Plywood, and
- Engineered Wood Product Manufacturing; and
- Operating portable chipper mills in the field--are classified in Industry 113310, Logging.
Overview Facts
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 2421 - Sawmills and Planing Mills, General (via SIC1987:2421→NAICS1997:321113→2002:321113→2007:321113→2012:321113→2017:321113→2022:321113)
- SIC 2426 - Hardwood Dimension and Flooring Mills (via SIC1987:2426→NAICS1997:321113→2002:321113→2007:321113→2012:321113→2017:321113→2022:321113)
- SIC 2429 - Special Product Sawmills, NEC (via SIC1987:2429→NAICS1997:321113→2002:321113→2007:321113→2012:321113→2017:321113→2022:321113)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC 3210 — Sawmill and Planing Mill Machinery
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 321113 valid in 2022? ▾
Yes, 321113 is a valid 6-digit 2022 NAICS national industry code representing 'Sawmills' under Sector 31-33 in the official classification index.
What is the SBA size standard for NAICS code 321113? ▾
The Small Business Administration (SBA) has established a small business size standard of 550 employees for NAICS code 321113 (Sawmills), calculated based on employees.
What is the legacy SIC equivalent for NAICS 321113? ▾
According to official Census Bureau concordance tables, NAICS code 321113 (Sawmills) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 2421 - Sawmills and Planing Mills, General, 2426 - Hardwood Dimension and Flooring Mills, 2429 - Special Product Sawmills, NEC.
Related Pages & Tools
Further regulatory reference links for NAICS code 321113:
- Sector 31-33 Directory Hub — List of related industries in the Manufacturing sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- NAICS 321113 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Sawmills).
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.