Caterpillar Inc., is an American corporation which designs, develops, engineers, manufactures, markets and sells machinery, engines, financial products and insurance to customers via a worldwide dealer network. Caterpillar is a leading manufacturer of construction and mining equipment, diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives. With 2015 sales and revenues of $47.011 billion, Caterpillar is the world’s leading manufacturer of construction and mining equipment, diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives. In 2016 Caterpillar was ranked №59 on the Fortune 500 list and №194 on the Global Fortune 500 list. Caterpillar stock is a component of the Dow Jones Industrial Average.