Colorado Stone, Sand & Gravel Association

We are an Association comprised of business leaders at the forefront of the aggregate industry.

The Colorado Stone, Sand & Gravel Association is composed of aggregate producers and companies who provide goods and services to the industry. We provide our members with regulatory, legislative, and general business expertise so they may be stronger, more effective and successful organizations.



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Latest Updates

  • Manufactured Sand Webinar – Dec. 7November 3, 2021

    This webinar is a short version of the process of making Concrete sand from rock. Product quality including gradations, specifications, particle shape, FM, classification and recovery will be presented. A comparison of the operating cost and efficiency of the different crusher types will be included. Flow diagrams of some successful mass flow balanced aggregate plants will be shown.

  • 2021 Industry TourNovember 3, 2021

    On October 27, the Colorado Stone, Sand & Gravel Association hosted an Industry Tour in conjunction with the Colorado Asphalt Pavement Association and the Colorado Ready Mixed Concrete Association.

  • November 2021 Executive Director’s BlogNovember 3, 2021

    In this month’s update, Todd Ohlheiser covers vaccine mandates, upcoming safety training filming at members’ operations, recent interaction with regulatory agencies, and upcoming events.