| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 334512 | 334512 | 334512 | Air flow controllers (except valves), air-conditioning and refrigeration, manufacturing | |||
| 334512 | 334512 | 334512 | Appliance controls manufacturing | |||
| 334512 | 334512 | 334512 | Appliance regulators (except switches) manufacturing | |||
| 334512 | 334512 | 334512 | Building services monitoring controls, automatic, manufacturing | |||
| 334512 | 334512 | 334512 | Clothes dryer controls, including dryness controls, manufacturing | |||
| 334512 | 334512 | 334512 | Combination limit and fan controls manufacturing | |||
| 334512 | 334512 | 334512 | Combination oil and hydronic controls manufacturing | |||
| 334512 | 334512 | 334512 | Computerized environmental control systems for buildings manufacturing | |||
| 334512 | 334512 | 334512 | Damper operators (e.g., electric, pneumatic, thermostatic) manufacturing | |||
| 334512 | 334512 | 334512 | Electric air cleaner controls, automatic, manufacturing | |||
| 334512 | 334512 | 334512 | Electric heat proportioning controls, modulating controls, manufacturing | |||
| 334512 | 334512 | 334512 | Electric space heater controls, automatic, manufacturing | |||
| 334512 | 334512 | 334512 | Energy cutoff controls, residential and commercial types, manufacturing | |||
| 334512 | 334512 | 334512 | Fan controls, temperature responsive, manufacturing | |||
| 334512 | 334512 | 334512 | Flame safety controls for furnaces and boilers manufacturing | |||
| 334512 | 334512 | 334512 | Float controls, residential and commercial types, manufacturing | |||
| 334512 | 334512 | 334512 | Gas burner automatic controls (except valves) manufacturing | |||
| 334512 | 334512 | 334512 | Gradual switches, pneumatic, manufacturing | |||
| 334512 | 334512 | 334512 | Heating and cooling system controls, residential and commercial, manufacturing | |||
| 334512 | 334512 | 334512 | Heating regulators manufacturing | |||
| 334512 | 334512 | 334512 | Humidistats (e.g., duct, skeleton, wall) manufacturing | |||
| 334512 | 334512 | 334512 | Humidity controls, air-conditioning-type, manufacturing | |||
| 334512 | 334512 | 334512 | Hydronic circulator control, automatic, manufacturing | |||
| 334512 | 334512 | 334512 | Hydronic limit control manufacturing | |||
| 334512 | 334512 | 334512 | Hydronic limit, pressure, and temperature controls, manufacturing | |||
| 334512 | 334512 | 334512 | Ice bank controls manufacturing | |||
| 334512 | 334512 | 334512 | Ice maker controls manufacturing | |||
| 334512 | 334512 | 334512 | Ignition controls for gas appliances and furnaces, automatic, manufacturing | |||
| 334512 | 334512 | 334512 | In-built thermostats, filled system and bimetal types, manufacturing | |||
| 334512 | 334512 | 334512 | Incinerator control systems, residential and commercial-type, manufacturing | |||
| 334512 | 334512 | 334512 | Light responsive appliance controls manufacturing | |||
| 334512 | 334512 | 334512 | Limit controls (e.g., air-conditioning, appliance, heating) manufacturing | |||
| 334512 | 334512 | 334512 | Line or limit control for electric heat manufacturing | |||
| 334512 | 334512 | 334512 | Liquid level controls, residential and commercial heating-type, manufacturing | |||
| 334512 | 334512 | 334512 | Oven temperature controls, nonindustrial, manufacturing | |||
| 334512 | 334512 | 334512 | Pneumatic relays, air-conditioning-type, manufacturing | |||
| 334512 | 334512 | 334512 | Pressure controllers, air-conditioning system-type, manufacturing | |||
| 334512 | 334512 | 334512 | Pressurestats manufacturing | |||
| 334512 | 334512 | 334512 | Primary oil burner controls (e.g., cadmium cells, stack controls) manufacturing | |||
| 334512 | 334512 | 334512 | Refrigeration controls, residential and commercial-type, manufacturing | |||
| 334512 | 334512 | 334512 | Refrigeration thermostats manufacturing | |||
| 334512 | 334512 | 334512 | Refrigeration/air-conditioning defrost controls manufacturing | |||
| 334512 | 334512 | 334512 | Room thermostats manufacturing | |||
| 334512 | 334512 | 334512 | Sequencing controls for electric heating equipment manufacturing | |||
| 334512 | 334512 | 334512 | Static pressure regulators manufacturing | |||
| 334512 | 334512 | 334512 | Steam pressure controls, residential and commercial heating-type, manufacturing | |||
| 334512 | 334512 | 334512 | Surface burner controls, temperature, manufacturing | |||
| 334512 | 334512 | 334512 | Switches, pneumatic positioning remote, manufacturing | |||
| 334512 | 334512 | 334512 | Switches, thermostatic, manufacturing | |||
| 334512 | 334512 | 334512 | Temperature controls, automatic, residential and commercial-types, manufacturing | |||
| 334512 | 334512 | 334512 | Temperature sensors for motor windings manufacturing | |||
| 334512 | 334512 | 334512 | Thermocouples, glass vacuum, manufacturing | |||
| 334512 | 334512 | 334512 | Thermostats (e.g., air-conditioning, appliance, comfort heating, refrigeration) manufacturing | |||
| 334512 | 334512 | 334512 | Time program controls, air-conditioning systems, manufacturing | |||
| 334512 | 334512 | 334512 | Vapor heating controls manufacturing | |||
| 334512 | 334512 | 334512 | Water heater controls manufacturing |