Mitsubishi Materials Corp. | Corona, Calif. –
Japanese company bought Robertson’s Ready Mix for about $900 million in 2008, a show of confidence in the U.S. housing market. Mitsubishi is the second largest cement producer in Japan. Cement and other building materials account for 15% of revenue for the company, which was founded in 1871. U.S. holdings also include Hawaiian Rock Products Corp. and Service Rock Products Corp. in the California and Nevada deserts. www.mmc.co.jp/english