Caterpillar Inc. is an American corporation specializing in construction and farm machinery services in addition to financial products. The company was established in 1925 following the merger of the Holt Manufacturing Company and the C.L. Best Tractor Company, and has grown to become the world’s leading manufacturer of construction and mining equipment. Caterpillar Inc. employs 114,233 staff and is headquartered in Peoria, Illinois, United States.