About Us

About CalCIMA

CalCIMA is a trade association for the construction and industrial material industries in California, which includes aggregate, industrial mineral, ready mixed concrete, and asphalt producers. In all, there are about 70 producer member companies that include 500 production sites in every county of California. Our members also include over 70 supplier and service providers to the industry. 

What Does CalCIMA Do?

In addition to being the trade association for the industry, CalCIMA also:
  • Offers extensive information on aggregates, industrial minerals, ready mixed concrete, and asphalt to the public, government, teachers and students, business, the media, our members, and other organizations
  • Addresses legislative and regulatory issues affecting the industry
  • Provides members with safety, technical, and compliance training
  • Works with allied industry groups
  • Provides communications tools for the industry


CalCIMA is headquartered in Sacramento, with a regional office in Southern California.


Code of Conduct 

CalCIMA members operate in full accordance with our antitrust guidelines and code of conduct.