WESTMARC, the Western Maricopa Coalition is a public-private partnership of the 15 communities, businesses and education sector in the West Valley of the Greater Phoenix region. Formed in 1990, WESTMARC addresses important issues facing the West Valley’s economic prosperity. Through WESTMARC members connections, collaboration and action, this region is now home to 1.6 million residents, a thriving business community, abundance of education options, and world-class amenities.