| Naics index | Naics index description |
|---|---|
| 333120 | Sand mixers manufacturing |
| 333120 | Scarifiers, road, manufacturing |
| 333120 | Scrapers, construction-type, manufacturing |
| 333120 | Screening machinery, portable, manufacturing |
| 333120 | Shovel loaders manufacturing |
| 333120 | Shovels, power, manufacturing |
| 333120 | Slag mixers, portable, manufacturing |
| 333120 | Snow plow attachments (except lawn, garden-type) manufacturing |
| 333120 | Surface mining machinery (except drilling) manufacturing |
| 333120 | Tampers, powered, manufacturing |