| Naics index | Naics index description |
|---|---|
| 423450 | Whirlpool baths, hospital, merchant wholesalers |
| 423450 | X-ray machines and parts, medical and dental, merchant wholesalers |
| 423460 | Binoculars merchant wholesalers |
| 423460 | Contact lenses merchant wholesalers |
| 423460 | Eyeglasses merchant wholesalers |
| 423460 | Frames, ophthalmic, merchant wholesalers |
| 423460 | Glasses, optical, merchant wholesalers |
| 423460 | Lens blanks, ophthalmic, merchant wholesalers |
| 423460 | Lenses, optical, merchant wholesalers |
| 423460 | Magnifying glasses merchant wholesalers |