| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 333996 | 333996 | 333996 | Fluid power motors manufacturing | |||
| 333996 | 333996 | 333996 | Fluid power pumps manufacturing | |||
| 333996 | 333996 | 333996 | Hydraulic pumps, fluid power, manufacturing | |||
| 333996 | 333996 | 333996 | Hydrostatic drives manufacturing | |||
| 333996 | 333996 | 333996 | Hydrostatic transmissions manufacturing | |||
| 333996 | 333996 | 333996 | Motors, fluid power, manufacturing | |||
| 333996 | 333996 | 333996 | Pneumatic pumps, fluid power, manufacturing | |||
| 333996 | 333996 | 333996 | Pumps, fluid power, manufacturing |