The Opus Group is a group of real estate development, construction, and design companies headquartered in Minneapolis, Minnesota.
[2] The company was previously known as Rauenhorst Construction Company.
[3] Rauenhorst was involved in the construction and engineering of Valley Fair in Shakopee, Minnesota.
Among other rides, they built the High Roller roller coaster.
[4] Other projects include the Capella Tower in downtown Minneapolis, and the Ameriprise Financial Center.