Praxair, Inc. engages in the production, sale, and distribution of industrial gases worldwide. Its primary products include atmospheric gases, such as oxygen, nitrogen, argon, and rare gases; and process gases, such as carbon dioxide, helium, hydrogen, electronic gases, specialty gases, and acetylene. The company designs, engineers, and builds equipment that produces industrial gases. It also supplies surface coatings, including wear-resistant and high-temperature corrosion-resistant metallic an ...

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 McCauslan ...

Air Products (NYSE:APD) serves customers in industrial, energy, technology and healthcare markets worldwide with a unique portfolio of atmospheric gases, process and specialty gases, performance materials, and equipment and services. Founded in 1940, Air Products has built leading positions in key growth markets such as semiconductor materials, refinery hydrogen, home healthcare services, natural gas liquefaction, and advanced coatings and adhesives. Air Products is recognized for its innovative ...

TEPPCO Partners, L.P. is a publicly traded master limited partnership, which conducts business through various subsidiary operating companies.

TEPPCO owns and operates one of the largest common carrier pipelines of refined petroleum products and liquefied petroleum gases in the United States; owns and operates petrochemical and natural gas liquid pipelines; is engaged in crude oil transportation, storage, gathering and marketing; owns and operates natural gas gathering systems; and owns 50-pe ...