Airgas Northern California & Nevada, Inc
Airgas, Inc.(NYSE: ARG), through its subsidiaries, is the largest U.S. distributor of industrial, medical, and specialty gases and related hardgoods, such as welding supplies. Airgas is also a leading U.S. distributor of safety products, the largest U.S. producer of nitrous oxide and dry ice, the largest liquid carbon dioxide producer in the Southeast, and a leading distributor of process chemicals, refrigerants and ammonia products.