| PSC | Description |
|---|---|
| 3910 | Conveyors |
| 3915 | Materials Feeders |
| 3920 | Material Handling Equipment, Nonself-propelled |
| 3930 | Warehouse Trucks and Tractors, Self-propelled |
| 3940 | Blocks, Tackle, Rigging, and Slings |
| 3950 | Winches, Hoists, Cranes, and Derricks |
| 3960 | Freight Elevators |
| 3990 | Miscellaneous Materials Handling Equipment |