| Naics index | Naics index description |
|---|---|
| 339910 | Cuff links, precious metal, manufacturing |
| 339910 | Cutlery, precious metal (except precious plated), manufacturing |
| 339910 | Diamond cutting and polishing |
| 339910 | Drilling pearls |
| 339910 | Engraving and etching precious metal flatware |
| 339910 | Engraving and etching precious metal jewelry |
| 339910 | Engraving and/or etching costume jewelry |
| 339910 | Findings, jeweler's, manufacturing |
| 339910 | Handbags, precious metal, manufacturing |
| 339910 | Hollowware, precious metal, manufacturing |