Category
page 1Industrial gas companies
Air Liquide
French multinational company which supplies industrial gases and services
Linde Group
multinational industrial gases and engineering company founded in Germany in 1879
Air Products & Chemicals
company

Praxair
Praxair, Inc. was an American worldwide industrial gases company. Founded in 1907, Praxair was the largest industrial gases company in North and South America, and the third-largest worldwide by revenue. In 2018 it merged with Linde AG to form Linde plc. The Praxair name was discontinued on September 1, 2020 in the US.
== History ==
thumb|left|alt=Stock certificate of the Linde Air Products Company, issued on December 13, 1911, registered to Dr. Carl von Linde and endorsed by him in his own hand on the reverse side|Stock certificate of the Linde Air Products Company, issued on December 13, 19
The BOC Group
company
Taiyo Nippon Sanso
Japanese industrial gas manufacturer
Messer Group
German multinational company supplying industrial gases
Airgas
Airgas, an Air Liquide company, is an American supplier of industrial, medical and specialty gases (delivered in packaged or cylinder form), as well as hardgoods and related products; one of the largest U.S. suppliers of safety products; and a leading U.S. supplier of ammonia products and process chemicals. The company is headquartered in Radnor Township, Pennsylvania.