Okuma Corporation was founded in 1898 in Japan. The company specializes in CNC machine tools, with primary product lines including lathes, machining centers, multitasking machines, grinders, and double-column machining centers. They also manufacture factory automation products such as servo motors, drives, and CNC controls under their own OSP brand.

Okuma serves the aerospace, automotive, medical, energy, and general manufacturing industries. Their most popular machine models include the LU series universal lathes, MA series horizontal machining centers, MULTUS series multitasking machines, and MCR series double-column machining centers. The company is distinguished by its "Machine & Control" philosophy, manufacturing both the mechanical components and CNC control systems for its equipment.