Glendora, CA – Taiheiyo Cement U.S.A, Inc. and CalPortland Company are pleased to announce the purchase of certain Riverside cement business assets in California from Martin Marietta Materials, Inc. was successfully completed on September 30, 2015. The assets identified in the purchase include the Oro Grande Cement Facility, and two rail sided product distribution terminals located in in National City, CA and Stockton, CA.

About CalPortland®
CalPortland Company is a major producer of cement, ready mixed concrete, aggregates, concrete products and asphalt in the western United States and Canada. Founded in 1891 with the principle of providing unsurpassed quality, CalPortland remains a leader in the industry through its commitment to quality, customer service, technical support and environmental leadership. The company maintains its headquarters in Glendora, California and operates in the Western U.S. and two Canadian Provinces. For more information about CalPortland Company, visit