SOL Group  
   An Italian based multinational company offering production, distribution and sales of industrial, medical and food gases and related products.
   http://www.solworld.com/

American Gas Group  
   A manufacturer, importer, exporter and worldwide distributor of specialty, rare, industrial and liquid gas products including supplies, hardware and equipment for the compressed gas and welding industries. Toledo, Ohio U.S.A.
   http://www.americangasgroup.com/

Scientific & Technical Gases Ltd.  
   Manufactures high purity gases and gas mixtures in high pressure and disposable containers.
   http://www.stgas.org.uk

Dominion Technology Gases  
   Supplier of industrial, specialty, laboratory, saturation diving and cryogenic gases.
   http://www.dominion-gas.co.uk

Tech Air  
   Provider of industrial, medical, and specialty gases, gas handling and cryogenic equipment, welding equipment and supplies in New York and Connecticut, USA.
   http://www.techair.com

www.accurategasco.com  
   Supplier of specialty gases for research, analytical, medical, and calibration as well as supplier of process chemicals used in manufacturing processes.
   http://www.accurategasco.com