313240 — Knit Fabric Mills
Description
This industry comprises establishments primarily engaged in one of the following: (1) knitting weft (i.e., circular) and warp (i.e., flat) fabric; (2) knitting and finishing weft and warp fabric; (3) manufacturing lace; or (4) manufacturing, dyeing, and finishing lace and lace goods. Establishments in this industry may knit only; knit and finish; or knit, finish, and further fabricate fabric products (except apparel) (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Exclusions & Cross-References
- Establishments primarily engaged in knitting apparel are classified in Industry 315120, Apparel Knitting Mills.
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 2257 - Weft Knit Fabric Mills (via SIC1987:2257→NAICS1997:313241→2002:313241→2007:313241→2012:313240→2017:313240→2022:313240)
- SIC 2258 - Lace and Warp Knit Fabric Mills (via SIC1987:2258→NAICS1997:313249→2002:313249→2007:313249→2012:313240→2017:313240→2022:313240)
- SIC 2259 - Knitting Mills, NEC (via SIC1987:2259→NAICS1997:313249→2002:313249→2007:313249→2012:313240→2017:313240→2022:313240)
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 3625 — Textile Industries Machinery
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 313240 valid in 2022? ▾
Yes, 313240 is a valid 6-digit 2022 NAICS national industry code representing 'Knit Fabric Mills' under Sector 31-33 in the official classification index.
What is the SBA size standard for NAICS code 313240? ▾
The Small Business Administration (SBA) has established a small business size standard of 500 employees for NAICS code 313240 (Knit Fabric Mills), calculated based on employees.
What is the legacy SIC equivalent for NAICS 313240? ▾
According to official Census Bureau concordance tables, NAICS code 313240 (Knit Fabric Mills) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 2257 - Weft Knit Fabric Mills, 2258 - Lace and Warp Knit Fabric Mills, 2259 - Knitting Mills, NEC.
Related Pages & Tools
Further regulatory reference links for NAICS code 313240:
- 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 313240 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Knit Fabric Mills).
- 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.