FANUC is a Japanese group of companies that provide automation products and services such as robotics and computer numerical control systems. FANUC is the world's largest maker of industrial robots. FANUC had its beginnings as part of Fujitsu, developing NC and servo systems. FANUC is an acronym for Fuji Automatic Numerical Control. FANUC is organized into 3 business units: FA, ROBOT, and ROBOMACHINE. These three units are unified with SERVICE as "one FANUC". Wikipedia