Airgas has floated to the top of the industrial gas distribution industry by buying up more than 350 companies since its founding in 1986. The company's North American network of more than 1,100 locations includes retail stores, gas fill plants, specialty gas labs, production facilities, and distribution centers. Airgas distributes argon, hydrogen, nitrogen, oxygen, welding gases, and a variety of medical and specialty gases, as well as dry ice and protective equipment (hard hats, goggles). Its Merchant Gases unit operates air-separation plants that produce oxygen, nitrogen, and argon. It also sells welding machines, rents industrial gas tanks, and produces acetylene and nitrous oxide.

Key financials for Airgas, Inc. (NYSE: ARG)

Key people and executives for Airgas, Inc. (NYSE: ARG)

Top competitors of Airgas, Inc. (NYSE: ARG)

• Air Products
• L'Air Liquide
• Praxair Distribution

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• Chemicals Distributors

Hoover's Industries

• Chemicals
  • Chemical Distribution (primary)
  • Basic and Intermediate Chemical & Petrochemical Manufacturing

Subsidiaries/affiliates of Airgas, Inc. (NYSE: ARG)

• Airgas Canada, Inc.
• Airgas Northern California & Nevada, Inc.
• Airgas South, Inc.

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• S&P 400