Su Watergas sono presenti 356 associazioni internazionali.

ROMGAZ

551130 Medias Piata C.I. Motas 4
551130 Medias (Romania)

SAOGA

SOUTH AFRICAN OIL & GAS ALLIANCE

PO BOX 15572 Panorama Post Office 7506 Cape Town ZA
(South Africa)

SEDIGAS

ASOCIACIÓN ESPAÑOLA DEL GAS

Plaza Lesseps 33, Entlo. 3-A
Barcelona (Spain)

SGI Europe

Rue des Deux Eglises 26, boîte 5
Bruxelles (Belgium)

SGOA

SLOVAK GAS AND OIL ASSOCIATION

Mlynské Nivy 44/a
Bratislava (Slovakia)

SIWI

STOCKHOLM INTERNATIONAL WATER INSTITUTE

Box 101 87 SE-100 55 Stockholm SE
Linnégatan 87A
Stockholm (Sweden)

SKATMK (IWA TURKEY)

TURKISH NATIONAL COMMITTEE ON WATER POLLUTION RESEARCH AND CONTROL

c/o Environment Engeneering Department, Civil Engineering Faculty, Istanbul Technical University
Maslak-Istanbul (Turkey)