| Electrical and Electronics Repairers, Powerhouse, Substation, and Relay |
| Security and Fire Alarm Systems Installers |
| Heating, Air Conditioning, and Refrigeration Mechanics and Installers |
| Heating and Air Conditioning Mechanics and Installers |
| Refrigeration Mechanics and Installers |
| Refractory Materials Repairers, Except Brickmasons |
| Electrical Power-Line Installers and Repairers |
| Maintenance and Repair Workers, General |
| Manufactured Building and Mobile Home Installers |
| Riggers |
| Signal and Track Switch Repairers |
| Helpers–Installation, Maintenance, and Repair Workers |
| Electromechanical Equipment Assemblers |
| Structural Metal Fabricators and Fitters |
| Welding, Soldering, and Brazing Machine Setters, Operators, and Tenders |
| Woodworking Machine Setters, Operators, and Tenders, Except Sawing |
| Stationary Engineers and Boiler Operators |
| Airline Pilots, Copilots, and Flight Engineers |
| Commercial Pilots |
| Flight Attendants |
| Railroad Conductors and Yardmasters |
| Subway and Streetcar Operators |
| Rail Transportation Workers, All Other |
| Conveyor Operators and Tenders |
| Crane and Tower Operators |
| Dredge Operators |
| Excavating and Loading Machine and Dragline Operators |
| Hoist and Winch Operators |
| Architectural and Engineering Managers |
| Software Developers, Systems Software |
| Operations Research Analysts |
| Architects, Except Landscape and Naval |
| Landscape Architects |
| Cartographers and Photogrammetrists |
| Surveyors |
| Civil Engineers |
| Engineers, All Other |
| Architectural and Civil Drafters |
| Architectural Drafters |
| Civil Drafters |
| Electrical and Electronics Drafters |
| Electronic Drafters |
| Electrical Drafters |
| Mechanical Drafters |
| Drafters, All Other |
| Civil Engineering Technicians |
| Engineering Technicians, Except Drafters, All Other |
| Surveying and Mapping Technicians |
| Surveying Technicians |
| Historians |
| Architecture Teachers, Postsecondary |
| Engineering Teachers, Postsecondary |
| Interior Designers |
| Landscaping and Groundskeeping Workers |
| Highway Maintenance Workers |
| Construction and Related Workers, All Other |
| Security and Fire Alarm Systems Installers |
| Mechanical Door Repairers |
| Control and Valve Installers and Repairers, Except Mechanical Door |
| Heating, Air Conditioning, and Refrigeration Mechanics and Installers |
| Heating and Air Conditioning Mechanics and Installers |
| Refrigeration Mechanics and Installers |
| Home Appliance Repairers |
| Wind Turbine Service Technicians |
| Coin, Vending, and Amusement Machine Servicers and Repairers |
| Geothermal Technicians |
| Stationary Engineers and Boiler Operators |
