All-Weld Products, 102 Fairview Park Dr, Elmsford, NY 10523, US

With a location in Cheshire, Conn., Airgas is one of the largest distributors of industrial, medical and specialty gases and welding supplies in the United States. It manufactures a variety of safety products, produces nitrous oxide and dry ice and distributes chemicals, refrigerants and ammonia products. Founded in 1982, the company employs more than 13,000 employees in cylinder fill plants, production facilities, specialty gas laboratories, and regional distribution centers. It distributes its products and services through e-Business, catalogs and telesales channels. Airgas provides information related to bulk gases and welding processes. The company offers product and delivery solutions for the proper handling and shipment of perishable items. It provides a range of medical gas equipment and supplies to hospitals, dental offices and home health care providers.