- Pile-Driver Operators Bright Outlook
- Rail-Track Laying and Maintenance Equipment Operators Green
- Service Unit Operators, Oil, Gas, and Mining
- Control and Valve Installers and Repairers, Except Mechanical Door
- Maintenance Workers, Machinery
- Separating, Filtering, Clarifying, Precipitating, and Still Machine Setters, Operators, and Tenders
- Cooling and Freezing Equipment Operators and Tenders
- Excavating and Loading Machine and Dragline Operators
- Gas Compressor and Gas Pumping Station Operators
- Pump Operators, Except Wellhead Pumpers