Airgas, Inc. is a supplier of industrial, medical and specialty gases, and hardgoods, such as welding equipment and related products. The Company is also a producer of atmospheric gases, carbon dioxide, dry ice and nitrous oxide and a supplier of safety products, refrigerants, ammonia products and process chemicals. The Company operates in two segments: Distribution and All Other Operations. The businesses within the Distribution business segment offer a portfolio of related gas and hardgoods products and services to the end customers. The All Other Operations business segment consists of six business units which primarily manufacture and/or distribute carbon dioxide, dry ice, nitrous oxide, ammonia and refrigerant gases. In March 2014, the Company acquired Welding & Therapy Service, Inc. In June 2014, Airgas Inc acquired assets and operations of Team Welding, Ltd.