Austrian Association of Gas & Water [ÖVGW]
Synergrid / Gas.be
Eurogas
European Research Institute for Gas and Energy Innovation [ERIG]
Czech Gas Association [CGA]
Danish Gas Technology Centre [DGC]
Gasgrid Finland
French Gas Association [AFG]
DVGW
EDA Attikis
DESFA
EDA Thess
Gas Networks Ireland
Comitato Italiano Gas [CIG]
Gasunie
Zebra Gasnetwerk / Enexis
Gaz-System
Polska Spółka Gazownictwa
AGN
Distrigaz Sud Retele
Slovak Gas and Oil Association [SGOA]
Sedigas
Enagas
Swedish Gas Association
SVGW
Regional Gas Company [RGC]
Gas TSO of Ukraine
National Grid
Standing Committees - Chairmen
SC Gas Utilisation
SC Gas Infrastructures
SC Sustainability