Matrix Service was selected by Orascom to provide engineering, procurement, fabrication and construction services at its Iowa Fertilizer Company. At the time of construction, the nitrogen fertilizer complex was the first world-scale complex built in the U.S. in nearly 25 years. The first contract required the construction of two double containment ammonia storage tanks and three urea ammonia nitrate storage tanks and related structures. The second contract included the construction of the refrig