Airgas USA, LLC.

Airgas. You’ll find it with us. 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. Airgas Chairman and Chief Executive Officer Peter McCausland founded the company in 1982. Through approximately 400 acquisitions and internal growth, Airgas has built the largest national distribution network in the packaged gas industry. More than 14,000 employees work in more than 1,100 locations includes branches, cylinder fill plants, production facilities, specialty gas laboratories, and regional distribution centers to serve a diversified customer base. Airgas markets through multiple channels, including its own branches and outside sales force, a Strategic Accounts Team focused on large customers, distributors and resellers, telesales, catalog and eBusiness channels.