Water Environment Federation
Founded in 1928, the Water Environment Federation (WEF) is a not-for-profit technical and educational organization with members from varied disciplines who work toward the WEF vision of preservation and enhancement of the global water environment.
American Water Works Association
AWWA is the authoritative resource for knowledge, information, and advocacy to improve the quality and supply of drinking water in North America and beyond.
National Rural Water Association
NRWA is a non-profit federation of State Rural Water Associations. Our mission is to provide support services to our State Associations who have more than 24,550 water and wastewater systems as members.
National Ground Water Association
The NGWA is the hallmark organization for anyone associated with the ground water industry.
Association of Metropolitan Water Authorities
AMWA primary objective is to be the unified and definitive voice for the largest publicly owned drinking water systems on regulatory, legislative and security issues.
Compressed Gas Association
Since 1913, the CGA has been dedicated to the development and promotion of safety standards and safe practices in the industrial gas industry.
International Ozone Association
The IOA was formed in 1973 to serve as the focal point for technology transfer and developments on ozone-related issues. The IOA is a not-for-profit educational association which performs its information- sharing functions through sponsorship of international symposia, seminars, publications, and the development of personal relationships among ozone specialists throughout the world.