On August 10th, 2016, PhoenixMart signed a contract with Hardrock Concrete Placement Co., Inc, a full-service commercial concrete subcontractor. Commencing in mid-August, Hardrock will start the process of pouring over 30,000 cubic yards of concrete for the massive PhoenixMart slab. In conjunction with this activity, Hardrock will begin to tilt-up the walls of the structure as well.

Established in 1989, Hardrock is a privately held company that services the Southwest with offices located in Phoenix, Tucson, and Albuquerque.