| Naics index | Naics index description |
|---|---|
| 333921 | Escalators manufacturing |
| 333921 | Stairways, moving, manufacturing |
| 333921 | Walkways, moving, manufacturing |
| 333922 | Belt conveyor systems manufacturing |
| 333922 | Buckets, elevator or conveyor, manufacturing |
| 333922 | Carousel conveyors (e.g., luggage) manufacturing |
| 333922 | Coal and ore conveyors manufacturing |
| 333922 | Conveyors and conveying equipment manufacturing |
| 333922 | Elevators, farm, manufacturing |
| 333922 | Farm-type conveyors manufacturing |