Companies that provide transportation of passengers and cargo by helicopters (including helicopter charters, helicopter tours, helicopter flight training, aerial photography services, load-lifting services, specialist flights, and related services).

Companies that provide air transportation services of passengers and cargo using airplanes, helicopters, and other aircraft. The industry includes companies that operate airlines, air freight, airports, and companies that provide them with support services.

Companies that provide transportation services of passengers and cargo through air, water, ground, and rail; companies that provide postal and messenger services; and companies that provide support services to the industry.

Companies that provide transportation services (including air, ground, and maritime transportation in addition to logistics services) and design, manufacture, assemble, and distribute transportation products (including aircrafts, automobiles, boats, and rail products).

Companies that provide chartered air transportation services of passengers, which operate on unscheduled schedules and routes.

Companies that provide air transportation of passengers over regular routes and on regular schedules (scheduled airlines) or on an unscheduled basis (charter airlines). Airlines either own or lease aircraft with which they supply these services.