| Naics index | Naics index description |
|---|---|
| 332999 | Hair curlers, metal, manufacturing |
| 332999 | Handcuffs manufacturing |
| 332999 | Handles (e.g., parasol, umbrella), metal, manufacturing |
| 332999 | Harness parts, metal, manufacturing |
| 332999 | Hollowware, precious plated metal, manufacturing |
| 332999 | Hoops, metal (except wire), fabricated from purchased metal |
| 332999 | Horse bits manufacturing |
| 332999 | Hose, flexible metal, manufacturing |
| 332999 | Identification plates, metal, manufacturing |
| 332999 | Industrial pattern manufacturing |