CalPortland acquired the aggregate and ready-mixed concrete assets of Grimes Rock and its affiliates in Ventura County, in the US. The acquisition will enhance the company’s footprint in Southern California. It includes ready-mix and recycling operations in Oxnard, California, and aggregate operations in Fillmore in California. CalPortland, which is owned by Taiheiyo Cement, operates 4 cement plants (photo: Oro Grande plant), 19 cement terminals, 76 ready mix plants and 2 asphalt plants. The latest addition to its portfolio underlines CalPortland’s commitment to strategic growth in the US aggregate and concrete markets.