Su Watergas sono presenti 356 associazioni internazionali.

CERRE

CENTRE ON REGULATION IN EUROPE

Avenue Louise 475 (Box 10)
Bruxelles (Belgium)

CETIM

TECHNICAL CENTRE FOR MECHANICAL INDUSTRY

52 Avenue Félix - Louat - CS 80067
Senlis Cedex (France)

CGA

CANADIAN GAS ASSOCIATION

350 Albert Street, Suite 1220
Ottawa ON K1R 1A4 (Canada)

CGA

CROATIAN GAS ASSOCIATION

Ulica Vjekoslava Heinzela 9/2
Zagabria (Croatia (Hrvatska))

CGA

CHINA GAS ASSOCIATION

No. 22, Nanxiao Street, Xizhimen, Xicheng District
Beijing 100035 (China)

CTWWA

CHINESE TAIWAN WATER WORKS ASSOCIATION

7F., No. 106, Sec. 2, Chang-an E. Rd., Zhongshan District
Taipei City 104 CN-7 ()