Cincinnati Milling Machine Company

The Cincinnati Milling Machine Company was an American machine tool builder headquartered in Cincinnati, Ohio.

Incorporated in 1889, the company was formed for the purpose of building and promoting innovative new machine tool designs, especially milling machines.

The principals in forming the company were Frederick A. Geier and Fred Holz.

It was formed from the Cincinnati Screw and Tap Co., a partnership of George Mueller and Fred Holz, that became more successful building machine tools.

[2] The company became the US's largest machine tool builder by 1926.

A typical milling machine of the era, built by Cincinnati Milling Machine Company. It is a horizontal, with an overarm for the arbor.