The global automotive industry is a highly diversified sector that comprises of manufacturers, suppliers, dealers, retailers, original equipment manufacturers, aftermarket parts manufacturers, automotive engineers, motor mechanics, auto electricians, spray painters or body repairers, fuel producers, environmental and transport safety groups, and trade unions. United States, Japan, China, Germany and South Korea are the top five automobile manufacturing nations throughout the world. The United States of America is the world's largest producer and consumer of motor vehicles and automobiles accounting for 6.6 million direct and spin-off jobs and represents nearly 10% of the S10 trillion US economy. The automobile is one of the important industries in the world, which provides employment to 25 million people in the world.