| 333120 |
Construction-type tractors and attachments manufacturing |
| 333120 |
Cranes, construction-type, manufacturing |
| 333120 |
Crushing machinery, portable, manufacturing |
| 333120 |
Crushing, pulverizing, and screening machinery, portable, manufacturing |
| 333120 |
Ditchers and trenchers, self-propelled, manufacturing |
| 333120 |
Draglines, crawler, manufacturing |
| 333120 |
Drags, road construction and road maintenance equipment, manufacturing |
| 333120 |
Dredging machinery manufacturing |
| 333120 |
Excavators (e.g., power shovels) manufacturing |
| 333120 |
Extractors, piling, manufacturing |