armstrong world industries, inc. (awi) is a global leader in the design and manufacture of innovative commercial and residential ceiling, wall and suspension system solutions. with over 3,700 employees and fiscal 2015 revenues from ceiling operations in excess of $1.2 billion, awi operates from a global manufacturing network of 24 facilities, including nine plants dedicated to its wave joint venture. through the years, our penchant for collaboration and innovation has led us to develop ceiling solutions that work harder than many people realize. we make a substantive difference where people live, work, learn, heal and play by providing interior solutions that help to enhance comfort, save time, improve building efficiency and overall performance, and create beautiful spaces. it’s easy to see how our ceilings finish a room beautifully, adding drama, character and dynamism to any space. but did you know our ceilings have acoustical properties that can help control sound and noise within