With one of its locations in San Jose, Calif., Airgas is one of the largest distributors of industrial, medical and specialty gases and related equipment in the United States. It provides safety products to industrial and commercial markets. The company additionally specializes in producing nitrous oxide, carbon dioxide and dry ice. Airgas also serves as a distributor of process chemicals, refrigerants and ammonia products. It employs more than 14,000 employees who work in over 1,100 locations, including branch offices, retail stores, gas fill plants, specialty gas laboratories, production facilities and distribution centers. The company distributes its products and services through e-business, catalogs and telesales channels. In addition, Airgas offers several medical products, such as dental nasal masks, regulators and hydrogen generators.