US Steel, an American integrated steel producer, completed the investment in Freespace Robotics, a pioneering manufacturer of robotic storage and retrieval systems. Financial terms were not disclosed. "Investing in Freespace Robotics is another way we’re promoting innovation while supporting the regional economy and its workforce. Given Freespace’s ambitious growth plan rooted right here in our hometown, this investment also underscores how we’re doubling down on the region because we believe in its potential to be a force for innovation in the US and beyond," Christian Gianni, US Steel Senior Vice President & Chief Technology Officer.