| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 333132 | 333132 | 333132 | Bits, rock drill, oil and gas field-type, manufacturing | |||
| 333132 | 333132 | 333132 | Christmas tree assemblies, oil and gas field-type, manufacturing | |||
| 333132 | 333132 | 333132 | Derricks, oil and gas field-type, manufacturing | |||
| 333132 | 333132 | 333132 | Drilling equipment, oil and gas field-type, manufacturing | |||
| 333132 | 333132 | 333132 | Drilling rigs, oil and gas field-type, manufacturing | |||
| 333132 | 333132 | 333132 | Gas well machinery and equipment manufacturing | |||
| 333132 | 333132 | 333132 | Oil and gas field-type drilling machinery and equipment (except offshore floating platforms) manufacturing | |||
| 333132 | 333132 | 333132 | Rock drill bits, oil and gas field-type, manufacturing | |||
| 333132 | 333132 | 333132 | Water well drilling machinery manufacturing | |||
| 333132 | 333132 | 333132 | Well logging equipment manufacturing |