Advanced Airfoil Components (AAC), a joint venture of Siemens and Chromalloy Gas Turbine Corp., opened in Hillsborough County, Fla. The $139 million partnership will manufacture casting components for Siemens’ gas turbines and create 350 jobs, including technical engineers, manufacturing technicians and production workers.

AAC will produce the entire range of blades and vanes for Siemens’ gas turbine fleet. The 212,000 ft2 facility is being built in stages and will be completed over the next four years.