Preparation and spinning of textile fibres - SIC Code 13100

What falls under it

168 activities classified here.

Straight from the ONS activity index, in their words rather than ours. If what you do appears here, this is your code.

Alpaca and mohair spinning on the woollen system (manufacture)
Alpaca and mohair spinning on the worsted system (manufacture)
Bast fibres preparation and spinning (manufacture)
Blending of fibres on the worsted system (manufacture)
Botany spinning (manufacture)
Camel hair spinning on the woollen system (manufacture)
Camel hair spinning on the worsted system (manufacture)
Carded sliver preparation for textiles industry (manufacture)
Carpet pile yarn spun on the cotton system (manufacture)
Carpet pile yarn spun on the woollen system (manufacture)
Carpet pile yarn spun on the worsted and semi-worsted systems (manufacture)
Coffin cloth (manufacture)
Combers' shoddy for woollen industry (manufacture)
Combing and slubbing of wool on a commission basis (manufacture)
Core spun yarn spun on the cotton system (manufacture)
Cotton carding (manufacture)
Cotton combing (manufacture)
Cotton doubling (manufacture)
Cotton drawing (manufacture)
Cotton lap, sliver, rovings and other intermediate bobbin (manufacture)
Cotton opening (manufacture)
Cotton reeling (manufacture)
Cotton sorting (manufacture)
Cotton spinning (manufacture)
Cotton thread mill (manufacture)
Cotton warp (manufacture)
Cotton waste spinning (manufacture)
Cotton yarn (manufacture)
Cotton yarn doubling (manufacture)
Cotton yarn twisting (manufacture)
Cotton yarn warping (manufacture)
Cotton yarn winding (manufacture)
Cotton-type yarn (manufacture)
Degreasing and carbonising of wool (manufacture)
Down of vegetable origin (manufacture)
Dressed line made of flax (manufacture)
Dyeing of wool fleece (manufacture)
Embroidery cotton (manufacture)
Fingering wool (manufacture)
Fishing net yarn made of cotton (manufacture)
Flax carding (manufacture)
Flax deseeding (manufacture)
Flax dressing (manufacture)
Flax hackling (manufacture)
Flax preparing (manufacture)
Flax roughing (manufacture)
Flax sorting (manufacture)
Flax spinning (manufacture)
Flax tow (manufacture)
Flax type yarns (manufacture)
Flax-type fibre preparation and spinning (manufacture)
Hair dressing for upholsterers (manufacture)
Hemp carding (manufacture)
Hemp dressing (manufacture)
Hemp sorting (manufacture)
Hemp spinning (manufacture)
Horsehair curling (manufacture)
Horsehair dressing (manufacture)
Horsehair hackling (manufacture)
Horsehair sorting (manufacture)
Horsehair teasing (manufacture)
Jute sorting (manufacture)
Jute spinning (manufacture)
Jute tow (manufacture)
Jute winding (manufacture)
Jute yarn (manufacture)
Kapok willowing (manufacture)
Knitting yarn made of wool (manufacture)
Knitting yarn made of worsted (manufacture)
Knitting yarns (cotton) (manufacture)
Knitting yarns (man made fibres) (manufacture)
Line yarn made of flax (manufacture)
Man-made fibre bulking (other than in man-made fibre producing establishments) (manufacture)
Man-made fibre crimping (other than in man-made fibre producing establishments) (manufacture)
Man-made fibre texturing (other than in man-made fibre producing establishments) (manufacture)
Man-made fibre texturing, bulking, crimping in man-made fibre producing establishments (manufacture)
Man-made fibres spinning on the cotton system (manufacture)
Man-made fibres spinning on the woollen system (manufacture)
Man-made fibres spinning on the worsted and semi-worsted systems (manufacture)
Man-made fibres twisting on the cotton system (manufacture)
Man-made fibres twisting on the woollen system (manufacture)
Man-made fibres twisting on the worsted and semi-worsted systems (manufacture)
Man-made fibres warping on the cotton system (manufacture)
Man-made fibres warping on the woollen system (manufacture)
Man-made fibres warping on the worsted and semi-worsted systems (manufacture)
Man-made fibres winding on the cotton system (manufacture)
Man-made fibres winding on the woollen system (manufacture)
Man-made fibres winding on the worsted and semi-worsted systems (manufacture)
Merino yarn spinning (manufacture)
Mohair spinning on the woollen system (manufacture)
Mohair spinning on the worsted system (manufacture)
Noils (woollen industry) (manufacture)
Padding for upholstery (manufacture)
Recovered wool (mungo and shoddy) (manufacture)
Reeling and washing of silk (manufacture)
Scutching of flax (manufacture)
Semi-worsted yarn spinning (manufacture)
Sewing thread made of cotton (manufacture)
Silk creping (manufacture)
Silk throwing (manufacture)
Silk twisting (manufacture)
Silk warping (manufacture)
Silk waste noil spinning (manufacture)
Silk winding (manufacture)
Silk yarn (manufacture)
Sliver dyeing of wool (manufacture)
Slubbing dyeing of wool (manufacture)
Spinning and manufacture of yarn for weaving, for the trade or for further processing (manufacture)
Spinning and manufacture of yarn or sewing thread, for the trade or further processing (manufacture)
Spinning on the cotton system (manufacture)
Spinning on the flax system (manufacture)
Spinning on the woollen system (manufacture)
Spinning on the worsted and semi-worsted systems (manufacture)
Sunn hemp (manufacture)
Thread for sewing and embroidery, made of cotton (manufacture)
Thread made of hemp (manufacture)
Thread made of jute (manufacture)
Thread made of linen (manufacture)
Thread made of silk (manufacture)
Topmaking (wool) (manufacture)
Tow of flax (manufacture)
Twine made of paper (manufacture)
Tyre cord (cotton system) (manufacture)
Upholstery hair fibre and filling (manufacture)
Vegetable down (manufacture)
Warp dressing (woollen) (manufacture)
Warp sizing and dressing (worsted) (manufacture)
Waste cotton yarn (manufacture)
Wool carbonising (manufacture)
Wool carding (manufacture)
Wool cleaning (manufacture)
Wool condensing (manufacture)
Wool extracting (manufacture)
Wool opening and willeying (manufacture)
Wool recovery (manufacture)
Wool scouring (manufacture)
Wool sorting (manufacture)
Wool topmaking (manufacture)
Woollen rag carbonising (manufacture)
Woollen rag carding (manufacture)
Woollen rag garnetting (manufacture)
Woollen rag grinding or pulling (manufacture)
Woollen waste breaking (manufacture)
Woollen waste garnetting (manufacture)
Woollen waste grinding (manufacture)
Woollen waste opening and willeying (manufacture)
Woollen yarn carding (manufacture)
Woollen yarn condensing (manufacture)
Woollen yarn reeling (manufacture)
Woollen yarn sizing (manufacture)
Woollen yarn spinning (manufacture)
Woollen yarn twisting (manufacture)
Woollen yarn warping (manufacture)
Woollen yarn winding (manufacture)
Woollen-type fibre preparation and spinning (manufacture)
Woollen-type yarns (manufacture)
Worsted carding (manufacture)
Worsted doubling (manufacture)
Worsted spinning and twisting (manufacture)
Worsted waste grinding (manufacture)
Worsted yarn reeling (manufacture)
Worsted yarn warping (manufacture)
Worsted yarn winding (manufacture)
Worsted-type fibres preparation and spinning (manufacture)
Worsted-type yarns (manufacture)
Yarn (core spun on the cotton system) (manufacture)
Yarn made of paper (manufacture)
Yarn of cotton (manufacture)