| Naics index | Naics index description |
|---|---|
| 333248 | Winding machinery for textiles manufacturing |
| 333248 | Wire and cable insulating machinery manufacturing |
| 333248 | Wood drying kilns manufacturing |
| 333248 | Wool and worsted finishing machinery manufacturing |
| 333248 | Yarn texturizing machines manufacturing |
| 333248 | Zipper making machinery manufacturing |
| 333310 | Dictating machines manufacturing |
| 333310 | Digital cameras manufacturing |
| 333310 | Postage meters manufacturing |
| 333310 | Adding machines manufacturing |