Hong Kong Specialty Gases
- Distributor and manufacturer of specialty gases and gaseous chemicals and associated equipment, supplying Hong Kong and China.
- http://www.hsg.com.hk

Welco-CGI Gas Industries
- Supplier of gases and related equipment and services in the US Northeast. Products include specialty gases, industrial welding gases and supplies, medical and beverage gases, and helium.
- http://www.welco-cgi.com

ACP
- European producer of bulk carbon dioxide, offering bulk liquid, cylinder, and dry ice forms. Includes technical information and specifications.
- http://www.acpco2.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

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

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

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

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/

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/