RMC Pacific Materials, formerly Lone Star Industries, was formed on December 31, 1987 as a California general partnership. The company has operated its cement manufacturing facility in Davenport Calif., since 1987. It s ready mix concrete operations provide geographic coverage from Salinas to Sacramento, Calif., as well as Burlingame, Berkeley, Fairfield and Fremont, Calif. RMC has 20 concrete...