Airgas The largest U.S. distributor of industrial, medical and specialty gases, welding, safety and related products with an integrated network of 700 locations. Backe Interactive redeveoped www.airgas.com and the airgas Intranet in 2002 utilizing relational database architectures. The databases are connected to a custom Content Management System which allows Airgas staff to update the sites through a secure browser-based administration interface. Client List - Industrial / Manufacturing