Diederick Floris Juriaan Maria Luijten

Air Liquide Finland Oy produces and sells industrial gases. Its products include oxygen, nitrogen, ozone, argon, carbon dioxide, helium and welding gases, as well as welding and cutting technologies, equipment, and services. The company markets products for use in the metal, pulp, paper, chemical, food, and electronics industries. The company was founded in 1982 and is headquartered in Oulu, Finland.

Fordonsgas Sverige AB operates CNG-gas filling stations. The company was founded in 1998 and is headquartered in Gothenburg, Sweden.

Part of Air Liquide SA, Engineering & Welding Supplies Ltd. is a British company that offers a range of gas cutting torches, welding clamps, and magnets. The company is based in Kingston-upon-Hull, UK. Engineering & Welding Supplies was acquired by Air Liquide UK Ltd. on July 04, 2012. The company provides various sizes and features of gas cutting torches from different brands, as well as kits for propane, torch handles, nozzles, burners, and more. The company also offers record welding clamps and magnets in different sizes. The company caters to the welding and engineering industries, offering a variety of welding equipment, power and hand tools, and consumables from stock. Founded in 1964, they provide a complete and personal service to the industry, supplying a wide range of engineering, welding equipment, and supplies from world-leading manufacturers.

Calgaz Ltd. specializes in the manufacture of high quality calibration gases and the supply of high purity gases and equipment. They supply precision custom-made liquid and gas mixtures for analytical and process applications in a full range of cylinder sizes. Their modern gravimetric production methods ensure they can produce complex gas mixtures with the highest level of accuracy, while achieving reliable delivery schedules. Established in 1996, it is now one of Europe's largest independent suppliers of calibration gases. They are a worldwide company with distribution hubs in the U.K., Dubai, U.S.A., Australia and Singapore allowing them to react with speed and efficiency to their customers' needs, no matter where they are located.

Part of L'Air Liquide SA, Air Liquide Ltd. is an industrial gases supplier. Air Liquide is based in Birmingham, UK. The British company provides argon as a protective atmosphere for various industrial processes such as steel manufacturing, welding and metal fabrication, electronics and automotive parts manufacturing, food preservation, and wine making. Founded in 1987, the company aims to deliver innovative gas, equipment, and service solutions to customers, driving their performance.