| Naics index | Naics index description |
|---|---|
| 333922 | Mine conveyors manufacturing |
| 333922 | Overhead conveyors manufacturing |
| 333922 | Passenger baggage belt loaders (except industrial truck) manufacturing |
| 333922 | Pneumatic tube conveyors manufacturing |
| 333922 | Screw conveyors manufacturing |
| 333923 | Block and tackle manufacturing |
| 333923 | Aerial work platforms manufacturing |
| 333923 | Automobile wrecker (i.e., tow truck) hoists manufacturing |
| 333923 | Boat lifts manufacturing |
| 333923 | Chain hoists manufacturing |