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Established in 1881, the American Water Works Association is the largest nonprofit, scientific and educational association dedicated to managing and treating water, the world’s most important resource. With approximately 50,000 members, AWWA provides solutions to improve public health, protect the environment, strengthen the economy and enhance our quality of life.
The Minerals, Metals and Materials Society is a Warrendale, PA-based company in the Non-profit sector.
Asphalt Pavement Association of West Virginia is a Charleston, WV-based company in the Non-Profit sector.
Pennsylvania Institute of Certified Public Accountants is a Philadelphia, PA-based company in the Non-Profit sector.
APCO International is the world's largest organization dedicated to public safety communications. We have been around since 1935 - far longer than any other public safety communications association (visit APCOHistory.org for more on APCO's 70+ year