Poclain is a family company founded by Georges Bataille in France in the 1930s, then developed by his sons Pierre and Claude Bataille, with help from Jacques and Bernard Bataille.
Poclain produced excavators, and was leader on the French and world market thanks to a revolutionary hydraulic motor. The Batailles were forced to sell the company to Case in 1974, an American company, and only kept the Hydraulics division.
Poclain make Radial Piston Hydraulic Motors which are mostly used in industrial and off highway vehicles, their biggest competition in this area is Rexroth of Scotland who are now a subsidiary of Bosch AG.