Su Watergas sono presenti 356 associazioni internazionali.

EFCE

EUROPEAN FEDERATION OF CHEMICAL ENGINEERING

Theodor-Heuss-Allee 25
Frankfurt am Main (Germany)

EFNMS

EUROPEAN FEDERATION OF NATIONAL MAINTENANCE SOCIETIES

c/o Diamant Building (5th floor)
Boulevard Auguste Reyers 80
Bruxelles (Belgium)

EGA

EGYPTIAN GAS ASSOCIATION

2 Kasr El Dobara Square - Garden City
Il Cairo (Egypt)

EGIG

EUROPEAN GAS PIPELINE INCIDENT DATA GROUP

c/o N.V. Nederlandse Gasunie, PO Box 19 9700 MA Groningen NL
(Netherlands)

EIA

EUROPEAN IRRIGATION ASSOCIATION

BluePoint Building, Boulevard Auguste Reyers 80
Bruxelles (Belgium)

EMS

EUROPEAN MEMBRANE SOCIETY

c/o Pierre Aimar Université Paul Sabatier
118 Route de Narbonne
Toulouse (France)

EMWIS

EURO-MEDITERRANEAN INFORMATION SYSTEM ON KNOW-HOW IN THE WATER SECTOR

c/o Office International de l'Eau (OIEAU)
Place Sophie Laffitte
Valbonne Sophia-Antipolis (France)

ENERGIGAS SVERIGE

SWEDISH GAS ASSOCIATION

PO Box 49134 10029 Stockholm SE
Sankt Eriksgatan 44
Stockholm (Sweden)

ENH

EMPRESA NACIONAL DE HIDROCARBONETOS

Rua dos Desportistas 918, Prédio JAT V-III
Maputo (Mozambique)