Australia- New Zealand Industrial Gases Association
http://www.anziga.org
Compressed Gas Association
http://www.cganet.com
European Industrial Gases Association
http://www.eiga.eu
Gas Industries Association (India)
http://www.gasassociation.in
International Oxygen Manufacturers Association
http://www.iomaweb.org
Japan Industrial and Medical Gases Association
http://www.jimga.or.jp
Korea Industrial and Speciality Gases Association
http://www.kisga.co.kr
Middle East Gases Association (Dubai)
http://www.megases.org
Philippines Confederation of Industrial Gases Inc (Philippines)
http://www.pcigi.org
Southern Africa Compressed Gas Association
http://www.sacga.za.org
AIGA Vietnam
http://www.aigavn.com.vn
Indonesia Industrial Gases Association (AGII)
https://indonesia-agii.org
Air Liquide
http://www.airliquide.com
Air Products
http://www.airproducts.com
Iwatani
http://www.iwatani.co.jp
Linde Gas
http://www.linde.com
Messer China
http://www.messergroup.cn
Praxair
http://www.praxair.com
Taiyo Nippon Sanso
http://www.tn-sanso.co.jp
Baosteel Gases
http://www.baosteelgases.com
Yingde Gases
http://www.yingdegas.com