United States Civilian
- Engineering Technician, Mechanical
- Heavy Equipment Mechanic
- Industrial Machine Systems Technician
- Industrial Maintenance Millwright
- Industrial Maintenance Repairer
- Inspector, Metal Fabrication
- Instrument Technician
- Instrumentation Technician
- Laboratory Technician
- Machine Builder
- Machine Repair
- Machinist
- Machinist, Maintenance (Industrial Foundry)
- Machinist, Outside (Ship)
- Machinist, Precision
- Maintenance Mechanic
- Mechanic, Industrial Truck
- Millwright (HY)
- Mold Maker, Die Casting, and Plastic Molding
- Molder
