- Control and Valve Installers and Repairers, Except Mechanical Door
- Service Technician
- Controls Service Tech
- Controls Service Technician
- Heating, Ventilation, and Air Conditioning Control Technician
- I and E Technician
- Industrial Gas Servicer
- Instrument and Controls Technician
- Instrument and Electrical Technician
- Instrument Control and Electrical Technician
- Lubrication Equipment Servicer
- Parking Meter Servicer
- Valve and Regulator Repairer
- Investigate instances of illegal tapping into service lines.
- Record meter readings and installation data on meter cards, work orders, or field service orders, or enter data into hand-held computers.
- Shut off service and notify repair crews when major repairs are required, such as the replacement of underground pipes or wiring.
- Turn meters on or off to establish or close service.
