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).
Exclusions & Cross-References
- Establishments primarily engaged in knitting apparel are classified in Industry 315120, Apparel Knitting Mills.
Overview Facts
| NAICS Code | 313240 |
|---|---|
| Industry Title | Knit Fabric Mills |
| SBA Size Standard | 500 employees |
| IRS PBA Code | 313000 (rolled-up match) |
| Sectors Hierarchy | Sector 31-33 → 313 → 3132 |
| Source / Verified | US Census 2022 NAICS Manual / 2026-06-28 |
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)
Related Resources & Compliance Guides
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.
- 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.
Related Industries in 3132
Frequently Asked Questions (FAQ)
Is 313240 a valid 2022 NAICS code?
NAICS 313240 is 'Knit Fabric Mills', a 2022 U.S. national industry under Sector 31-33 (Manufacturing); the SBA small-business size standard is 500 employees.
What is the SBA size standard for NAICS 313240?
The SBA small business size standard for NAICS 313240 is 500 employees (based on employees).
What is the legacy SIC code mapping for 313240?
NAICS code 313240 maps to the legacy 1987 SIC codes: 2257 - Weft Knit Fabric Mills, 2258 - Lace and Warp Knit Fabric Mills, 2259 - Knitting Mills, NEC.