In August 2010, this company acquired Electro-Motive Diesel, Inc. It manufactures construction equipment, its market capitalization is $68.5 billion and its largest shareholder is State Street.
Based in Peoria, Illinois, Caterpillar Inc. is the largest manufacturer of construction equipment in the world. Its history dates back to 1925, when C. L. Best Tractor merged with Holt Manufacturing to form the Caterpillar Tractor Company. Its stock is a component of the Dow Jones Industrial Average, and in the 2009 Fortune 500 it was ranked number one in its industry.