Expansion Driven by Growing Interest in Energy Transition Technologies in the Biogas, Aerospace and Marine Industries LEHIGH VALLEY, Pa., June 25, 2024 /PRNewswire/ -- Air Products (NYSE:APD), the global leader in the production of gas separation and purification membranes, today hosted a groundbreaking event at the site of a $70 million expansion of its Missouri Manufacturing and Logistics Center in Maryland Heights, near St. Louis, Missouri.The investment, which is Air Products Membrane Solutions' largest ...