| 333120 |
Mortar mixers, portable, manufacturing |
| 333120 |
Off-highway trucks manufacturing |
| 333120 |
Paving machinery manufacturing |
| 333120 |
Pile-driving equipment manufacturing |
| 333120 |
Planers, bituminous, manufacturing |
| 333120 |
Plows, construction (e.g., excavating, grading), manufacturing |
| 333120 |
Post hole diggers, powered, manufacturing |
| 333120 |
Rock crushing machinery, portable, manufacturing |
| 333120 |
Rock drills, construction and surface mining-type, manufacturing |
| 333120 |
Rollers, road construction and maintenance machinery, manufacturing |