Caterpillar Inc. (sometimes shortened to CAT) is an American Fortune 100 corporation which designs, develops, engineers, manufactures, markets and sells machinery, engines, financial products and insurance to customers via a worldwide dealer network.
It is the world's largest construction equipment manufacturer. In 2018, Caterpillar was ranked #65 on the Fortune 500 list and #238 on the Global Fortune 500 list.
Caterpillar Inc. traces its origins to the 1925 merger of the Holt Manufacturing Company and the C. L. Best Tractor Company, creating a new entity, the California-based Caterpillar Tractor Company.
In 1986, the company reorganized itself as a Delaware corporation under the current name, Caterpillar Inc. Caterpillar's headquarters are located in Deerfield, Illinois.
Caterpillar’s 2018 revenues reached to $54.7 billion, making it the world’s largest machinery manufacturer, and the number one manufacturer of construction and mining equipment, diesel and natural gas engines, industrial gas turbines, and diesel-electric locomotives.
Caterpillar's line of machines range from tracked tractors to hydraulic excavators, backhoe loaders, motor graders, off-highway trucks, wheel loaders, agricultural tractors and locomotives. Caterpillar machinery is used in the construction, road-building, mining, forestry, energy, transportation and material-handling industries.
According to en.wikipedia