| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 335314 | 335314 | 335314 | Armature relays manufacturing | |||
| 335314 | 335314 | 335314 | Brakes and clutches, electromagnetic, manufacturing | |||
| 335314 | 335314 | 335314 | Brakes, electromagnetic, manufacturing | |||
| 335314 | 335314 | 335314 | Control circuit devices, magnet and solid-state, manufacturing | |||
| 335314 | 335314 | 335314 | Control circuit relays, industrial, manufacturing | |||
| 335314 | 335314 | 335314 | Control equipment, electric, manufacturing | |||
| 335314 | 335314 | 335314 | Controls and control accessories, industrial, manufacturing | |||
| 335314 | 335314 | 335314 | Controls for adjustable speed drives manufacturing | |||
| 335314 | 335314 | 335314 | Crane and hoist controls, including metal mill, manufacturing | |||
| 335314 | 335314 | 335314 | Flow actuated electrical switches manufacturing | |||
| 335314 | 335314 | 335314 | Industrial controls (e.g., pushbutton, selector, and pilot switches) manufacturing | |||
| 335314 | 335314 | 335314 | Marine and navy auxiliary controls, manufacturing | |||
| 335314 | 335314 | 335314 | Motor control accessories (including overload relays) manufacturing | |||
| 335314 | 335314 | 335314 | Motor control centers, manufacturing | |||
| 335314 | 335314 | 335314 | Motor controls, electric, manufacturing | |||
| 335314 | 335314 | 335314 | Motor starters, contractors, and controllers, industrial, manufacturing | |||
| 335314 | 335314 | 335314 | Numerical controls, manufacturing | |||
| 335314 | 335314 | 335314 | Relays, electrical and electronic, manufacturing | |||
| 335314 | 335314 | 335314 | Rheostats, industrial control, manufacturing | |||
| 335314 | 335314 | 335314 | Solenoid switches, industrial, manufacturing | |||
| 335314 | 335314 | 335314 | Timing devices, mechanical and solid-state (except clockwork), manufacturing | |||
| 335314 | 335314 | 335314 | Vacuum relays manufacturing |