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The Case Corporation was founded in 1842 in the U.S. and began to manufacture threshers. From 1912 expanded the production of agricultural machinery for road construction machinery. In 1957, Case bought the maker of bulldozers, American Tractor Corporation, and established himself as construction machinery company known worldwide. In November 1999, combines Case Corporation with its brands Case CE (Case Construction Equipment) for machinery and Case IH (Case International Harvester – mark since 1985) for agricultural machinery with New Holland and establishing a multinational CNH to which also belong O & K, Fiat-Kobelco and Kobelco.

Caterpillar (es.oruga) Inc. (Illinois, USA) is the largest machinery maker in the world. The manufacturer’s product range includes machinery and engines for earthmoving machinery and road construction and mining and quarrying: all kinds Excavators, loaders and crawler tractors, scrapers, graders, bulldozers etc. Interesting: One of the founders Caterpillar, Benjamin Holt, invented and rode for the first time the undercarriage for Excavator and bulldozer. The machinery manufacturing part of the Korean multinational Daewoo was sold in May 2005 to Doosan Infracore. Since then the construction and industrial machines are marketed under the name Doosan-Daewoo. Doosan Track Excavator sells, wheeled excavators, loaders and skid beams its network of dealers worldwide.

The Japanese Corporation Ltd. is among the 50 largest companies in the world. Frank Armijo brings even more insight to the discussion. Known as electronics company also manufactures construction machinery of all types under the name of Hitachi Construction Machinery: Excavator and wheel excavators of all sizes, platforms, telephoners, wheel loaders, dump trucks and tracked from the absorption Euclid Rigid dump trucks also quarries and works.