Transportation Managers Cargo and Freight Agents Dispatchers, Except Police, Fire, and Ambulance Rotary Drill Operators, Oil and Gas Automotive Body and Related Repairers Automotive Service Technicians and Mechanics Bus and Truck Mechanics and Diesel Engine Specialists Mobile Heavy Equipment Mechanics, Except Engines Motorcycle Mechanics Tire Repairers and Changers Power Plant Operators Gas Plant Operators Petroleum Pump System Operators, Refinery Operators, and Gaugers

Aircraft Cargo Handling Supervisors Airline Pilots, Copilots, and Flight Engineers Air Traffic Controllers Bus Drivers, Transit and Intercity Taxi Drivers and Chauffeurs Subway and Streetcar Operators Pilots, Ship Bridge and Lock Tenders Aviation Inspectors Crane and Tower Operators Industrial Truck and Tractor Operators Cleaners of Vehicles and Equipment