20+ years of excellence.
Established in 2004 by father-and-son team Lou & Andrew Siegmund, Allied Rock LLC, has become a trusted leader in rock processing throughout the North Santiam Canyon region and beyond.
Allied Rock delivers reliable, on-site crushing solutions for commercial, industrial, residential, agricultural, and logging applications. Our experienced team works directly with project owners to produce material that meets required specifications while maximizing efficiency and value.
In 2025, Allied Rock, LLC joined CRH, a leading North American building materials organization. This partnership strengthens our ability to serve our customers with expanded resources, enhanced capabilities, and long-term stability, while preserving the local relationships, leadership, and values.
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