| PSC | Description |
|---|---|
| 3805 | Earth moving & excavating eq |
| 3810 | Cranes & crane-shovels |
| 3815 | Crane & crane-shovel attachments |
| 3820 | Mining,rock drilling,earth bore eq |
| 3825 | Road clearing & cleaning eq |
| 3830 | Truck & tractor attachments |
| 3835 | Petroleum production-distrib eq |
| 3895 | Misc contruct eq |