Carmeuse to Use CAT Autonomous Hauling at Quarry

Agreement brings Cat MineStar Command technology to Carmeuse’s quarry operations, with the goal to advance safety and productivity.

IRVING, Texas, May 4, 2026 – Caterpillar Inc. (NYSE: CAT) today announced an agreement with Carmeuse, a global leader in lime and limestone production, to deploy Caterpillar’s autonomous hauling solution at the Carmeuse Drummond Island quarry in Drummond, Michigan.

Delivered by Caterpillar and supported by Fabick Cat, Carmeuse will integrate Cat MineStar Command for hauling across its fleet of 777 trucks, alongside complementary MineStar capabilities for loaders and staff-supported equipment.

“We are proud to partner with Caterpillar on this journey into autonomous haulage,” said Todd Sheffer, vice president, engineering at Carmeuse, “Caterpillar’s proven technology and expertise, combined with Carmeuse’s operational excellence, create a powerful platform to elevate us to new production horizons. This deployment reflects Carmeuse’s commitment to innovation and utilizing technology to future-proof our operations.”

“Our autonomous solutions are tackling the quarry industry’s most pressing challenges by raising the bar on safety while enabling consistent, efficient production,” said John Shanahan, senior vice president of Resource Industries Sales, Services & Technology at Caterpillar. “Our advanced technology will help take Carmeuse’s operations to the next level with greater safety, performance and positioning for the future.”

Building on Caterpillar’s success deploying autonomous systems in real‑world environments, including mining and quarries, the project highlights the company’s ongoing commitment to accelerate its autonomous technology to help customers solve their toughest challenges.

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About Caterpillar
For more than a century, Caterpillar has helped build a better, more sustainable world. With 2025 sales and revenues of $67.6 billion, Caterpillar Inc. is shaping the future as the world’s leading manufacturer of construction and mining equipment, off-highway diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives. Backed by one of the largest independent global dealer networks and financing services through Cat Financial, the company’s primary business segments: Power & Energy, Construction Industries and Resource Industries are solving customers’ toughest challenges through commercial excellence and advanced technology, driven by a highly skilled, dedicated global team. Learn more at www.caterpillar.com.

About Carmeuse
Carmeuse is a global manufacturer of lime, limestone and mineral-based products used in a variety of industrial, construction, soil improvement, and other applications. Carmeuse and its subsidiaries also offer equipment solutions and services to optimize our customers’ processes, improve safety, and provide reliable material supply. The North American headquarters for Carmeuse is in Pittsburgh, PA with over three dozen production facilities across the Eastern U.S. and Canada. For more information, visit www.carmeuse.com.