| Naics index | Naics index description |
|---|---|
| 339992 | Knobs, organ, manufacturing |
| 339992 | Mandolins manufacturing |
| 339992 | Mouthpieces for musical instruments manufacturing |
| 339992 | Music rolls, perforated, manufacturing |
| 339992 | Musical instrument accessories (e.g., mouthpieces, reeds, stands, traps) manufacturing |
| 339992 | Musical instruments (except toy) manufacturing |
| 339992 | Oboes manufacturing |
| 339992 | Ocarinas manufacturing |
| 339992 | Octophones manufacturing |
| 339992 | Percussion musical instruments manufacturing |