CalCIMA is proud to be the statewide voice of the construction and industrial materials industry in California. With over 500 plants throughout the state producing aggregate, concrete, cement, asphalt, industrial minerals, and construction products, our members have been supplying the materials that ARE the foundation of our state’s economy for over a hundred years, including, public infrastructure; homes, schools, and hospitals; growing crops and feeding livestock; and plays a key role in manufacturing consumer products, including shingles, paint, low-energy light bulbs, and battery technology for electric cars and windmills.