Su Watergas sono presenti 356 associazioni internazionali.

SUOMEN KAASUYHDISTYS

FINNISH GAS ASSOCIATION

Salomonkatu 17 A
Helsinki (Finland)

SWAN

SMART WATER NETWORKS FORUM

c/o Elder House, St. Georges Business Park
207 Brooklands Road
Weybridge, Surrey KT13 0TS (United Kingdom)

SWCS

SOIL AND WATER CONSERVATION SOCIETY

945 SW Ankeny Road
Ankeny IA 50023-9723 (United States)

SWSC

SWAZILAND WATER SERVICES CORPORATION

PO Box 20 Mbabane SZ
Emtfonjeni Building, Corner MR103 & Cultural Village Drive
Ezulwini (Swaziland)

SWWA (IWA SVEZIA)

SWEDISH WATER & WASTEWATER ASSOCIATION

PO Box 14057 16714 Bromma SE
Gustavslundsvagen 12, 4 tr
Bromma (Sweden)

TAQA

TAQA ARABIA

2 Simon Bolivar Square
Garden City, Il Cairo (Egypt)