Su Watergas sono presenti 356 associazioni internazionali.

NAPCA

NATIONAL ASSOCIATION OF PIPE COATING APPLICATORS

500 Dallas Street, Suite 3000
Houston TX 77002 (United States)

NARUC

NATIONAL ASSOCIATION OF REGULATORY UTILITY COMMISSIONERS

1101 Vermont Avenue NW, Suite 200
Washington DC 20005 (United States)

NATURGAS

ASOCIACIÓN COLOMBIANA DE GAS NATURAL

Av. Calle 72 # 10-70, Torre A Of 705
Bogota D.C. (Colombia)

NAWC

NATIONAL ASSOCIATION OF WATER COMPANIES

Two Liberty Place, 50 S. 16th Street, Suite 2725
Philadelphia PA 19102 (United States)

NGC

NATIONAL GAS COMPANY OF TRINIDAD AND TOBAGO LTD

Orinoco Drive, Point Lisas Industrial Estate
Couva (Trinidad and Tobago)

NGS

NATURAL GAS SOCIETY

129 PARC Building, GAIL Training Institute Plot No. 24, Sector - 16A
Noida 201301 Uttar Pradesh 201301 (India)