- First-Line Supervisors of Mechanics, Installers, and Repairers
- Railroad Car Repair Supervisor
- Buildings and Grounds Superintendent
- Cable Installation Maintenance and Repair Manager
- Car and Yard Supervisor
- E and I Supervisor
- Electrical and Instrumentation Supervisor
- Elevator Installation and Repair Field Superintendent
- Heating, Ventilation, and Air Conditioning Supervisor
- Leased Machinery and Equipment Service Supervisor
- Meter and Regulator Shop Supervisor
- Service and Repair Supervisor
- Tank and Amphibian Tractor Operations Chief
- Telephone Installer and Repairer Supervisor
- Utilities and Maintenance Supervisor
- Conduct or arrange for worker training in safety, repair, or maintenance techniques, operational procedures, or equipment use.