Donald Penn Mercer

Air Liquide Australia Limited supplies industrial and medical gases, including oxygen, nitrogen, argon, acetylene, hydrogen, helium, and carbon dioxide, as well as welding and specialty gases for welding, steel, metal fabrication, glass, healthcare, environment, mining, agriculture, manufacturing, food processing, food preservation, medical, and hospitality industries. The company was founded in 1902 and it is headquartered in Melbourne, Australia.