• 2500 - Wire Communications Equipment Installation and Maintenance Group
  • 2600 - Electronic Equipment Installation and Maintenance Group
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  • 2800 - Electrical Installation and Maintenance Group
  • 3100 - Fabric and Leather Work Group
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  • 3300 - Instrument Work Group
  • 3400 - Machine Tool Work Group
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  • 3500 - General Services and Support Work Group
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  • 3600 - Structural and Finishing Work Group
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  • 3700 - Metal Processing Group
  • 3800 - Metal Work Group
  • 3900 - Motion Picture, Radio, Television, and Sound Equipment Operating Group
  • 4100 - Painting and Paperhanging Group
  • 4200 - Plumbing and Pipefitting Group
  • 4300 - Pliable Materials Work Group
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  • 4400 - Printing Group
  • 4600 - Wood Work Group
    •  
  • 4700 - General Maintenance and Operations Work Group
    •  
  • 4800 - General Equipment Maintenance Group
    •  
  • 5000 - Plant and Animal Work Group
    •  
  • 5200 - Miscellaneous Occupations Group
    •  
  • 5300 - Industrial Equipment Maintenance Group
    •  
  • 5400 - Industrial Equipment Operation Group
    •  
  • 5700 - Transportation/Mobile Equipment Operation Group
    •  
  • 5800 - Transportation/Mobile Equipment Maintenance Group
    •  
  • 6500 - Ammunition, Explosives, and Toxic Materials Work Group
    •  
  • 6600 - Armament Work Group
    •  
  • 6900 - Warehousing and Stock Handling Group
    •  
  • 7000 - Packing and Processing Group
    •  
  • 7300 - Laundry, Dry Cleaning, and Pressing Group
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  • 7400 - Food Preparation and Serving Group
  • 7600 - Personal Services Group
    •   
  • 8200 - Fluid Systems Maintenance Group
    •  
  • 8600 - Engine Overhaul Group
    •  
  • 8800 - Aircraft Overhaul Group
    •