- Control and Valve Installers and Repairers, Except Mechanical Door
- Heating, Ventilation, and Air Conditioning Control Technician
- I and E Technician
- Instrument and Controls Technician
- Instrument and Electrical Technician
- Instrument Control and Electrical Technician
- Shut Off Worker
- Valve and Regulator Repairer
- Advise customers on proper installation of valves or regulators and related equipment.
- 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.
- Train customers in the use of products.