2022 NAICS national industry in sector 31-33 Manufacturing
313110 Fiber, Yarn, and Thread Mills
NAICS 313110 is the US industry code for fiber, yarn, and thread mills. It covers establishments primarily engaged in one or more of the following: (1) spinning yarn; (2) manufacturing thread of any fiber; (3) texturizing, throwing, twisting, and winding purchased yarn or manmade fibers and filaments; and (4) producing hemp yarn and further processing into rope or bags.
- Code
- 313110 (2022 NAICS)
- Title
- Fiber, Yarn, and Thread Mills
- Part of
- Fiber, Yarn, and Thread Mills
- SBA small business limit
- Up to 1,250 employees
- Closest UK SIC
- 13100 (details)
Changes coming. The NAICS 2027 revision applies to data from 1 January 2027, and SBA proposed new size standards on 20 August 2026. The values on this page are the ones in force today; we update this page when the official files change.
Official definition
This industry comprises establishments primarily engaged in one or more of the following: (1) spinning yarn; (2) manufacturing thread of any fiber; (3) texturizing, throwing, twisting, and winding purchased yarn or manmade fibers and filaments; and (4) producing hemp yarn and further processing into rope or bags.
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Establishments primarily engaged in manufacturing artificial and synthetic fibers and filaments and texturizing these filaments are classified in Industry 325220, Artificial and Synthetic Fibers and Filaments Manufacturing.
Activities listed under 313110
The Census index assigns these 62 activities to this code. If your business matches one, this is your code.
- Acetate spun yarns made from purchased fiber
- Acrylic and modacrylic filament yarn throwing, twisting, texturizing, or winding of purchased yarn
- Acrylic spun yarns made from purchased fiber
- Animal fiber yarn twisting or winding of purchased yarn
- Bags, hemp, made from purchased fiber
- Beaming yarn
- Carded yarn manufacturing
- Carpet and rug yarn spinning
- Cotton cordage spun yarns made from purchased fiber
- Cotton spun yarns made from purchased fiber
- Cotton thread manufacturing
- Crochet spun yarns (e.g., cotton, manmade fiber, silk, wool) made from purchased fiber
- Darning thread (e.g., cotton, manmade fibers, silk, wool) manufacturing
- Embroidery spun yarns (e.g., cotton, manmade fiber, silk, wool) made from purchased fiber
- Embroidery thread (e.g., cotton, manmade fibers, silk, wool) manufacturing
- Flax spun yarns made from purchased fiber
- Hard fiber spun yarns made from purchased fiber
- Hard fiber thread manufacturing
- Hemp bags made from purchased fiber
- Hemp ropes made from purchased fiber
- Hemp spun yarns made from purchased fiber
- Knitting and crocheting thread manufacturing
- Knitting spun yarns (e.g., cotton, manmade fiber, silk, wool) made from purchased fiber
- Manmade fiber thread manufacturing
- Manmade staple spun yarns made from purchased fiber
- Modacrylic spun yarns made from purchased fiber
- Mohair yarn twisting or winding of purchased yarn
- Natural fiber (i.e., hemp, linen, ramie) thread manufacturing
- Natural fiber spun yarns (i.e., hemp, jute, ramie, flax) made from purchased fiber
- Nylon spun yarns made from purchased fiber
- Nylon thread manufacturing
- Nylon yarn twisting or winding of purchased yarn
- Paper yarn manufacturing
- Polyester filament yarn throwing, twisting, texturizing, or winding of purchased yarn
- Polyester spun yarns made from purchased fiber
- Polyester thread manufacturing
- Polypropylene filament yarn throwing, twisting, texturizing, or winding of purchased yarn
- Polypropylene spun yarns made from purchased fiber
- Ramie spun yarns made from purchased fiber
- Rayon spun yarns made from purchased fiber
- Rayon thread manufacturing
- Rayon yarn throwing, twisting, texturizing, or winding purchased filament
- Sewing threads manufacturing
- Silk spun yarns made from purchased fiber
- Silk thread manufacturing
- Silk throwing, spooling, twisting, or winding of purchased yarn
- Spinning carpet and rug yarn from purchased fiber
- Spinning yarn from purchased fiber
- Spooling of yarn
- Spooling of yarns for the trade
- Texturizing purchased yarn
- Thread mills
- Thread, all fibers, manufacturing
- Throwing purchased yarn
- Winding purchased yarn
- Winding, spooling, beaming and rewinding of purchased yarn
- Wool spun yarn made from purchased fiber
- Wool yarn, twisting or winding of purchased yarn
- Yarn spinning mills
- Yarn spun from purchased fiber
- Yarn throwing, twisting, and winding of purchased yarn
- Yarn, carpet and rug, spun from purchased fiber
SBA size standard for 313110
To count as a small business for SBA loans and federal contracts under NAICS 313110, your business (including affiliates) must not exceed 1,250 employees. Check your business.
Source: SBA table of size standards, effective March 17, 2023.
Closest UK SIC 2007 codes
There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 1311), so treat them as a starting point and check the definition.
Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.
Data last changed November 14, 2026. How this page is built.