The Opus Group is a family of commercial real estate development, construction, and design companies. Founded in 1953 by Gerald Rauenhorst, the company began as Rauenhorst Construction Company before becoming The Opus Group. They operate as a multidisciplinary team with expertise in development, finance, construction, and architecture. The company serves clients across the United States, delivering projects in various sectors including industrial, office, residential, retail, and institutional spaces. Their integrated approach allows them to manage all aspects of real estate projects from conception through completion.