 | Airline Pilots, Copilots, and Flight Engineers |
| | Air Traffic Controllers |
| | Ambulance Drivers and Attendants, Except Emergency Medical Technicians |
| Aviation Inspectors |
| Bridge and Lock Tenders |
| Bus Drivers, School |
| Bus Drivers, Transit and Intercity |
| Cleaners of Vehicles and Equipment |
| | Commercial Pilots |
| | Conveyor Operators and Tenders |
| Crane and Tower Operators |
| | Dredge Operators |
| Driver/Sales Workers |
| | Excavating and Loading Machine and Dragline Operators |
| | First-Line Supervisors/Managers of Helpers, Laborers, and Material Movers, Hand |
| | First-Line Supervisors/Managers of Transportation and Material-Moving Machine and Vehicle Operators |
| | Gas Compressor and Gas Pumping Station Operators |
| | Hoist and Winch Operators |
| Industrial Truck and Tractor Operators |
| | Laborers and Freight, Stock, and Material Movers, Hand |
| Loading Machine Operators, Underground Mining |
| | Locomotive Engineers |
| | Locomotive Firers |
| | Machine Feeders and Offbearers |
| | Mates- Ship, Boat, and Barge |
| | Motorboat Operators |
| Packers and Packagers, Hand |
| Parking Lot Attendants |
| Pilots, Ship |
| Pump Operators, Except Wellhead Pumpers |
| | Railroad Brake, Signal, and Switch Operators |
| | Railroad Conductors and Yardmasters |
| | Rail Yard Engineers, Dinkey Operators, and Hostlers |
| Refuse and Recyclable Material Collectors |
| | Sailors and Marine Oilers |
| Service Station Attendants |
| Ship and Boat Captains |
| | Ship Engineers |
| | Shuttle Car Operators |
| | Subway and Streetcar Operators |
| | Tank Car, Truck, and Ship Loaders |
| Taxi Drivers and Chauffeurs |
| | Traffic Technicians |
| | Truck Drivers, Heavy and Tractor-Trailer |
| Truck Drivers, Light or Delivery Services |
| | Wellhead Pumpers |