Comprises a wide range of companies and organizations involved in the design, development, manufacturing, marketing, selling, repairing, and modification of motor vehicles.

The aerospace sector is one of the largest sectors in the United States, providing products and services to the military aircraft, missile, space, commercial.

The healthcare industry is an aggregation and integration of sectors within the economic system that provides goods and services to treat patients with curative,.

Engineering is the use of scientific principles to design and build machines, structures, and other items, including bridges, tunnels, roads, vehicles, and buildings.