| NAICS code | NAICS Text
| SIC code | SIC Text
|
| 212291 | Uranium-Radium-Vanadium Ore Mining | 1094 | Uranium-Radium-Vanadium Ores |
| 22 | Utilities | | |
| 221 | Utilities | | |
| 315192 | Underwear and Nightwear Knitting Mills | 2254 | Knit Underwear and Nightwear Mills (except dyeing and finishing only) |
| 315192 | Underwear and Nightwear Knitting Mills | 2259 | Knitting Mills, NEC (girdles) |
| 315192 | Underwear and Nightwear Knitting Mills | 2253 | Knit Outerwear Mills (bath robes and lounge robes made in knitting mills except dying and finishing only) |
| 322224 | Uncoated Paper and Multiwall Bag Manufacturing | 2674 | Uncoated Paper and Multiwall Bags |
| 326110 | Unsupported Plastics Film, Sheet, and Bag Manufacturing | | |
| 326111 | Unsupported Plastics Bag Manufacturing | 2673 | Plastics, Foil, and Coated Paper Bags (plastics bags) |
| 326112 | Unsupported Plastics Packaging Film and Sheet Manufacturing | 2671 | Packaging Paper and Plastics Film, Coated, and Laminated (plastics packaging film and sheet) |
| 326113 | Unsupported Plastics Film and Sheet (except Packaging) Manufacturing | 3081 | Unsupported Plastics Film and Sheets |
| 326121 | Unsupported Plastics Profile Shape Manufacturing | 3082 | Unsupported Plastics Profile Shapes |
| 326121 | Unsupported Plastics Profile Shape Manufacturing | 3089 | Plastics Product, NEC (plastics sausage casings) |
| 326150 | Urethane and Other Foam Product (except Polystyrene) Manufacturing | 3086 | Plastics Foam Products (urethane and other foam products) |
| 337121 | Upholstered Household Furniture Manufacturing | 2512 | Wood Household Furniture, Upholstered |
| 337121 | Upholstered Household Furniture Manufacturing | 2514 | Metal Household Furniture (upholstered) |
| 337121 | Upholstered Household Furniture Manufacturing | 2515 | Mattress, Foundations, and Convertible Beds (convertible sofas) |
| 337121 | Upholstered Household Furniture Manufacturing | 5712 | Furniture (custom made upholstered household furniture except cabinets) |
| 441120 | Used Car Dealers | 5521 | Motor Vehicle Dealers (Used Only) |
| 4533 | Used Merchandise Stores | | |
| 453310 | Used Merchandise Stores | 5932 | Used Merchandise Stores (except pawn shops) |
| 484210 | Used Household and Office Goods Moving | 4212 | Local Trucking Without Storage (household goods moving) |
| 484210 | Used Household and Office Goods Moving | 4213 | Trucking, Except Local (household goods moving) |
| 484210 | Used Household and Office Goods Moving | 4214 | Local Trucking With Storage (household goods moving) |
| 4851 | Urban Transit Systems | | |
| 485110 | Urban Transit Systems | | |
| 999990 | Unclassified Establishments | 9999 | Unclassified Establishments |
