[U]
9222-U01 ----- U.S. attorneys, offices
3931-U01 ----- Ukuleles and parts-mfg
1474-U01 ----- Ulexite mining
2816-U01 ----- Ultramarine pigments-mfg
3541-U01 ----- Ultrasonic assisted grinding machines(metalworking)-mfg
3699-U01 ----- Ultrasonic cleaning equipment, except medical and dental-mfg
3843-U01 ----- Ultrasonic dental equipment-mfg
3699-U02 ----- Ultrasonic generators sold separately for inclusion in tools and equipment-mfg
3841-U01 ----- Ultrasonic medical cleaning equipment-mfg
3845-U01 ----- Ultrasonic medical equipment, except cleaning-mfg
3541-U02 ----- Ultrasonic metal cutting machine tools-mfg
3845-U02 ----- Ultrasonic scanning devices, medical-mfg
3829-U01 ----- Ultrasonic testing equipment-mfg
3699-U03 ----- Ultrasonic welding machines and equipment-mfg
3542-U01 ----- Ultrasonically assisted metal forming machines-mfg
3648-U01 ----- Ultraviolet lamp fixtures-mfg
3641-U01 ----- Ultraviolet lamps-mfg
3674-U01 ----- Ultraviolet sensors, solid-state-mfg
3826-U01 ----- Ultraviolet-type analytical instruments-mfg
1479-U01 ----- Umber mining
2816-U02 ----- Umbers-mfg
2211-U01 ----- Umbrella cloth, cotton-mfg
3911-U01 ----- Umbrella handles and trimmings, precious metal-mfg
5699-U01 ----- Umbrella stores-retail
3999-U01 ----- Umbrellas and parts, except precious metal-mfg
3999-U02 ----- Umbrellas: beach, garden, and wagon-mfg
5136-U01 ----- Umbrellas, men's and boys'-wholesale
7549-U01 ----- Undercoating service, automotive
2851-U01 ----- Undercoatings, paint-mfg
1622-U01 ----- Underpass construction-general contractors
1799-U01 ----- Underpinning work-contractors
7261-U01 ----- Undertakers
5087-U01 ----- Undertakers, equipment and supplies-wholesale
3648-U02 ----- Underwater lighting fixtures-mfg
5091-U01 ----- Underwater sports equipment-wholesale
2221-U01 ----- Underwear fabrics, except knit: manmade fiber and silk-mfg
2211-U02 ----- Underwear fabrics, woven: cotton-mfg
2322-U01 ----- Underwear: men's and boys'-mfpm-mfg
5136-U02 ----- Underwear, men's and boys'-wholesale
2254-U01 ----- Underwear-mitse-mfg
5137-U01 ----- Underwear: women's, children's, and infants -who le sale
2341-U01 ----- Underwear: women's, misses' children's, and infants'-mfpm-mfg
6211-U01 ----- Underwriters, security
4492-U01 ----- Undocking of ocean vessels
9441-U01 ----- Unemployment insurance offices-government
2353-U01 ----- Uniform hats and caps, except protective head gear-mfg
2321-U01 ----- Uniform shirts, except athletic or work: men's and boys'-mfpm-mfg
7213-U01 ----- Uniform supply service, except industrial
2329-U01 ----- Uniforms, athletic and gymnasium: men's and boys'-mfpm-mfg
2339-U01 ----- Uniforms, athletic: women's, misses' and juniors'-mfpm-mfg
2389-U01 ----- Uniforms, band-mfpm-mfg
2337-U01 ----- Uniforms, except athletic and service apparel: women's, misses' and juniors'-mfpm-mfg
5136-U03 ----- Uniforms, men's and boys'-wholesale
2326-U01 ----- Uniforms, nontailored work type: men's-mfpm-mfg
5699-U02 ----- Uniforms-retail
2311-U01 ----- Uniforms, tailored: men's and boys'-mfg
2339-U02 ----- Uniforms, washable service apparel(nurses, maid, waitresses, laboratory): women's, misses' and juniors'-mfpm-mfg
5137-U02 ----- Uniforms: women's and children's-wholesale
2326-U02 ----- Uniforms, work: men's-mfpm-mfg
2254-U02 ----- Union suits-mitse-mfg
6371-U01 ----- Union trust funds
6371-U02 ----- Union welfare, benefit, and health funds
3494-U01 ----- Unions, pipe: metal-mfg
3089-U01 ----- Unions, plastics-mfg
5651-U01 ----- Unisex clothing stores-retail
5137-U03 ----- Unisex clothing: women's and children's-wholesale
7231-U01 ----- Unisex hairdressers
3433-U01 ----- Unit heaters, domestic: except electric-mfg
3634-U01 ----- Unit heaters, household: electric-mfg
6726-U01 ----- Unit investment trusts
2761-U01 ----- Unit sets (manifold business forms)-mfg
5063-U01 ----- Unit substations-wholesale
8399-U01 ----- United fund councils
9721-U01 ----- United Nations
4311-U01 ----- United States Postal Service
3711-U01 ----- Universal carriers, military-mfg
3568-U01 ----- Universal joints, except motor vehicle-mfg
3714-U01 ----- Universal joints, motor vehicle-mfg
8221-U01 ----- Universities
8641-U01 ----- University clubs
4491-U01 ----- Unloading vessels
3081-000 ----- Unsupported plastics film & sheet-mfg
3082-000 ----- Unsupported plastics profile shapes-mfg
2512-U01 ----- Upholstered furniture, household: on wood frames, except dual purpose sleep furniture-mfg
2512-000 ----- Upholstered household furniture-mfg
5087-U02 ----- Upholsterers, equipment and supplies, except fabrics-wholesale
7217-U01 ----- Upholstery cleaning on customers, premises
2211-U03 ----- Upholstery fabrics, cotton-mfg
2221-U02 ----- Upholstery fabrics, manmade fiber and silk-mfg
2231-U01 ----- Upholstery fabrics, wool-mfg
5087-U03 ----- Upholstery filling and padding-wholesale
2299-U01 ----- Upholstery filling, textile-mfg
3111-U01 ----- Upholstery leather-mfg
5714-U01 ----- Upholstery materials stores-retail
7532-U01 ----- Upholstery repair, automotive
3495-U01 ----- Upholstery springs, unassembled: made from purchased wire-mfg
3111-U02 ----- Upper leather-mfg
3131-U01 ----- Uppers (shoe cut stock)-mfg
3462-U01 ----- Upset forgings, iron and steel: not made in rolling mills-mfg
3542-U02 ----- Upsetters (forging machines)-mfg
1094-U01 ----- Uraninite (pitchblende) mining
1094-000 ----- Uranium-radium-vanadium ores
1094-U02 ----- Uranium ore mining
2819-U01 ----- Uranium slug, radioactive-mfg
9532-000 ----- Urban and community development
4111-U01 ----- Urban and suburban railway operation
9532-U01 ----- Urban planning commissions-government
9532-U02 ----- Urban renewal agencies-government
2873-U01 ----- Urea-mfg
2821-U01 ----- Urea resins-mfg
2822-U01 ----- Urethane rubbers-mfg
3431-U01 ----- Urinals: enameled iron, cast iron, and pressed metal-mfg
3088-U01 ----- Urinals, plastics-mfg
3069-U01 ----- Urinals, rubber-mfg
3261-U01 ----- Urinals, vitreous china-mfg
8071-U01 ----- Urinalysis laboratories
3281-U01 ----- Urns, cut stone-mfg
3634-U02 ----- Urns, electric: household-mfg
3299-U01 ----- Urns, gypsum or papier-mache: factory production only-mfg
8011-U01 ----- Urologists, offices of
5521-000 ----- Used car dealers-retail
5932-U01 ----- Used machinery-retail
5932-000 ----- Used merchandise stores-retail
7399-U01 ----- Usenets
8699-U02 ----- User groups
7363-U01 ----- Usher service
3365-U01 ----- Utensils, cast aluminum-mfg
3469-U01 ----- Utensils, metal, except cast: household, commercial, and hospital-mfg
2656-U01 ----- Utensils, paper: except those made from pressed or molded pull-mfpm-mfg
3469-U02 ----- Utensils, porcelain enameled: household, commercial, and hospital-mfg
2679-U01 ----- Utensils, pressed and molded pulp-mfpm-mfg
3479-U01 ----- Utensils, retinning of: not done in rolling mills-mfg
4939-U01 ----- Utilities, combination of
3448-U01 ----- Utility buildings, prefabricated: metal-mfg
3429-U01 ----- Utility carriers, car top-mfg
3089-U02 ----- Utility containers, plastics-mfg
0783-U01 ----- Utility line tree trimming services
7372-U01 ----- Utility software, computer: prepackaged
7519-U01 ----- Utility trailer rental
5599-U01 ----- Utility trailers-retail
