In 1917 Conradson Machine Tool Co. was founded in Eau Claire by Conrad M. Conradson. The firm moved to Green Bay in 1918. All of the production was consigned to Joseph T. Ryerson & Son. The firm failed in 1922.
Information Sources
- American Milling Machine Builders: 1820-1920 by Kenneth L. Cope, 2007, pages 74-75
- Machinery Magazine, V26, Feb 1920, pg. 592. "Joseph T. Ryerson & Son, Chicago, Ill., announce that they have recently formed an association with the Conradson Machine Tool Co., of Green Bay, Wis., for the sale of Conradson machine tools. The line consists of plain and universal milling machines, selective-head lathes, planers, and radial drilling machines, which are being sold under the trade name of Ryerson-Conradson. The Conradson plant in Green Bay has recently been completed, equipment has been installed, and production is now under way."