Caterpillar is the best known manufacturer of construction equipment in the world (probably). The company was formed in 1925 by the merger of The Holt Company, (who built its first crawler machine in 1904), and the company of C.L.Best who started producing Crawler machines in 1913. The new company was then called The Caterpillar Tractor Company. Caterpillar became synonymous with crawler type machines. Both Best and Holt started as farm machinery manufactures.