Lehigh Hanson, a building material company, completed the acquisition of Corliss Resources, one of the largest family-owned aggregates and ready-mixed concrete companies in the US Pacific Northwest. Financial terms were not disclosed. "For more than five generations, the Corliss family has proudly served our customers with high-quality building materials and contributed to the growth and development of our communities. We are convinced that Lehigh Hanson is best-suited to continue building on the legacy of growth, excellence and quality that our family has established," Steve Corliss, Corliss Resources President.