AIR LIQUIDE
AIR PRODUCTS INC.
AIR WATER INC.
CanAir Nitrogen Inc.
CHENGDU TAIYU INDUSTRIAL GASES CO. LTD.
ELLENBARRIE INDUSTRIAL GASES LTD. (EIGL)
GULF CRYO
INOX-Air Products Inc.
LINDE PLC
MATHESON TRI-GAS INC.
Messer Group GmbH
NEXAIR
SOUTHERN INDUSTRIAL GAS SDN. BHD.
TAIYO NIPPON SANSO CORP.
TOAGOSEI CO. LTD.
UNIVERSAL INDUSTRIAL GASES INC.
YINGDE GASES