Millars was a Western Australian focused timber and timber railway company.
Millars' Karri and Jarrah Forests Limited was a public company incorporated in London in July 1897 with its shares listed on the London Stock Exchange.
In 1971 Millars was taken over by Inchcape. In 1983 it was taken over by Bunnings.
In 1902 an amalgamation of Western Australian timber companies saw Millars' Karri and Jarrah Company (1902) Limited formed from: