| 71331 | Underwriting of motor vehicle insurance policies | |
| 71339 | Underwriting of non-life insurance policies n.e.c. | |
| 71334 | Underwriting of other property insurance policies | |
| 71332 | Underwriting of other transportation insurance policies | |
| 71332 | Underwriting of passenger vessel insurance policies | |
| 71335 | Underwriting of pollution insurance policies | |
| 71335 | Underwriting of product liability insurance policies | |
| 71332 | Underwriting of railway rolling stock insurance policies | |
| 71332 | Underwriting of satellite launching insurance policies | |
| 71200 | Underwriting of securities | |
| 71320 | Underwriting of supplementary accident insurance policies | |
| 71320 | Underwriting of supplementary health insurance policies | |
| 71336 | Underwriting of surety insurance policies | |
| 71339 | Underwriting of title insurance policies | |
| 71320 | Underwriting of travel insurance policies | |
| 71334 | Underwriting of vessel insurance policies (including those owned by individuals) | |
| 93324 | Unemployed persons, vocational rehabilitation of | |
| 91330 | Unemployment benefits schemes, administrative services related to | |
| 91330 | Unemployment compensation schemes, support services related to the operation of | |
| 91330 | Unemployment, compensating individuals for loss of income due to | |
| 48265 | Uniformity testers for yarns | |
| 28221 | Uniforms (excl. military and athletic), men's or boys', of knitted or crocheted textile materials | |
| 28231 | Uniforms (excl. military and athletic), men's or boys', of textile materials, not knitted or crocheted | |
| 28223 | Uniforms (excl. military and athletic), women's or girls', knitted or crocheted of textile materials | |
| 28233 | Uniforms (excl. military and athletic), women's or girls', of textile materials, not knitted or crocheted | |
| 28228 | Uniforms, athletic, knitted or crocheted | |
| 28236 | Uniforms, athletic, men's or boys', not knitted or crocheted | |
| 28236 | Uniforms, athletic, women's or girls', not knitted or crocheted | |
| 28250 | Uniforms, military, made up of felt or non-woven fabrics | |
| 28236 | Uniforms, military, men's or boys', not knitted or crocheted | |
| 28236 | Uniforms, military, women's, not knitted or crocheted | |
| 28222 | Union suits, men's or boys', knitted or crocheted of textile materials | |
| 28232 | Union suits, men's or boys', not knitted or crocheted | |
| 28224 | Union suits, women's or girls', knitted or crocheted of textile materials | |
| 41278 | Unions, of iron or steel (excl. stainless steel), for tubes or pipes | |
| 41278 | Unions, of stainless steel, for tubes or pipes | |
| 38140 | Unit bookcases, of metal, floor-standing, hanging, or for standing one on another | |
| 38140 | Unit bookcases, wooden, floor-standing, or for standing one on another | |
| 38140 | Unit furniture, metal, floor-standing, hanging or for standing one on another (excl. seats) | |
| 38140 | Unit furniture, wooden, floor-standing, or for standing one on another (excl. seats) | |