Innovative, Chemistry-based Solutions Driving Profitable, Global Growth Headquartered in Norwalk, Connecticut (USA), Arch Chemicals, Inc. (NYSE: ARJ) is a global Biocides company with approximately $1.5 billion in annual sales. Together with our subsidiaries, we have 3,000 employees and manufacturing and customer-support facilities in North and South America, Europe, Asia and Africa. We take pride in making products that help make people's lives better, safer and healthier (PDF). Arch a...