| NAICS code | NAICS Text
| SIC code | SIC Text
|
| 339910 | Jewelry and Silverware Manufacturing | | |
| 339911 | Jewelry (except Costume) Manufacturing | 3479 | Coating, Engraving, and Allied Services, NEC (jewelry engraving and etching, including precious metal) |
| 339911 | Jewelry (except Costume) Manufacturing | 3911 | Jewelry, Precious Metal |
| 339913 | Jewelers' Material and Lapidary Work Manufacturing | 3915 | Jewelers' Findings and Materials, and Lapidary Work (except watch jewels) |
| 421940 | Jewelry, Watch, Precious Stone, and Precious Metal Wholesalers | 5094 | Jewelry, Watches, Precious Stones, and Precious Metals |
| 4483 | Jewelry, Luggage, and Leather Goods Stores | | |
| 448310 | Jewelry Stores | 5944 | Jewelry Stores |
| 561720 | Janitorial Services | 7342 | Disinfecting and Pest Control Services (except exterminating) |
| 561720 | Janitorial Services | 7349 | Building Cleaning and Maintenance Services, NEC (except lighting maintenance services) |
| 561720 | Janitorial Services | 4581 | Airports, Flying Fields, and Airport Terminal Services (airplane cleaning and janitorial services) |
| 6112 | Junior Colleges | | |
| 611210 | Junior Colleges | 8222 | Junior Colleges and Technical Institutes |
| 922 | Justice, Public Order, and Safety Activities | | |
| 9221 | Justice, Public Order, and Safety Activities | | |
