​​American National Standards Institute
A premier source for timely, relevant, actionable information on national, regional, and international standards for products, services, processes, systems, and personnel in the Unites States and worldwide. 

www.ansi.org​

Water Environment Federation 
The leading technical organization for the water quality industry since 1928, providing its members with the latest technical information on water quality issues, cost-cutting design and implementation strategies, EPA enforcement activities, time-saving operation technique, and more.
www.wef.org

American Water Works Association 
An internationally recognized authority on drinking water issues. 
www.awwa.org

Water and Sewer Distributors of America 
National trade association comprised of distributors and manufacturers of waterworks and wastewater products.
www.wasda.com

American Society for Testing and Materials
An international standards organization that develops and publishes voluntary consensus technical standards for a wide range of materials, products, systems, and services. 

www.astm.org

American Association of Petroleum Geologists

The original purpose of AAPG, to foster scientific research, to advance the science of geology, to promote technology, and to inspire high professional conduct.

www.aapg.org

American Society of Civil Engineers

Its mission is to provide essential value to members, their careers, partners, and the public; facilitate the advancement of technology; encourage and provide the tools for lifelong learning; promote professionalism and the profession; develop and support civil engineers.

www.asce.org

American Society of Mechanical Engineers

The American Society of Mechanical Engineers (ASME) is an American professional association that, in its own words, "promotes the art, science, and practice of multidisciplinary engineering and allied sciences around the globe" via "continuing education, training and professional development, codes and standards.

www.asme.org

American Institute of Chemical Engineers
The American Institute of Chemical Engineers (AIChE) is a professional organization for chemical engineers. AIChE was established in 1908 to distinguish chemical engineers as a profession independent of chemists and mechanical engineers.

www.aiche.org

Associations