Klaus-Jürgen Schmieder

Part of Lincoln Electric Holdings, Inc., Air Liquide Welding SA is a French company that focuses on credit investors and extra-financial performance. The company is based in Commercy, France. The company's adventure began in 1902 with the simple idea of industrially producing oxygen from air. Air Liquide Welding was founded by Paul Delorme and Georges Claude, two French individuals.

Part of GEA Group AG, Lurgi GmbH is a company based in Frankfurt, Germany.

Air Liquide Italia SpA produces and distributes of industrial gases. The firm offers pure and special gas, oxygen, nitrogen, and hydrogen. The company was founded in 1909 and is headquartered in Milan, Italy.

Air Liquide España SA produces and distributes cryogenic liquids and gases. It offers services to the medical gases, food services and electronics sectors. The company was in 1909 and is headquartered in Madrid, Spain.

Part of L'Air Liquide SA, Air Liquide Deutschland GmbH is a German company that provides technical gases for the chemical industry, as well as services such as reliable supply of liquid nitrogen and EU-compliant pharma gases for the pharmaceutical industry. The company is based in Dusseldorf, Germany. The company specializes in hard soldering thin and coated materials, using mainly MIG, MAG, or pulse-protected gas welding systems. The CEOs are Francois Moutiez, Robert van Nielen. The company was founded in 1902.

Messer Group GmbH engages in the manufacture of oxygen, nitrogen, argon, carbon dioxide, hydrogen, helium, inert welding gases, special gases, gases for medicinal use and gas mixtures. Its products include technical, breathing, welding, cutting and pharmaceutical gases, cry ice, and gas supply systems. The firm serves to the chemistry, food and beverages, construction, electronics, shipbuilding, and water treatment industries. The company was founded by Adolf Messer in 1897 and is headquartered in Bad Soden, Germany.

AIR LIQUIDE Japan Ltd. engages in the provision of standard and specialty gases that include among others, oxygen, nitrogen, acetylene, argon, hydrogen, carbon dioxide, helium, and hydrogen. It also supplies electronic materials through its ALOHA Advanced Precursors, and provides medical products and services to hospitals and home care. The company was founded in 1907 and is headquartered in Tokyo, Japan.