About

Established in 2004 by the father-and-son team of Lou and Andrew Siegmund, Allied Rock LLC has grown into a trusted provider of professional portable crushing services throughout the North Santiam Canyon region and beyond.  The company focuses exclusively on on-site crushing solutions, utilizing a modern fleet of high-efficiency equipment to serve municipalities, quarry owners, timber companies, farms, and ranches. Allied Rock delivers reliable, cost-effective material processing, helping clients maximize existing materials, reduce hauling expenses, and keep projects moving safely and on schedule.

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.