Supporting and sustaining business and community success. The Greater Dover Chamber of Commerce, a member-driven organization, provides value to its members, residents and visitors, by facilitating and sustaining growth of businesses, organizations and events to promote a healthy thriving community. Established on April 20, 1920 as an independent not-for-profit, the Chamber has been working to advance the economic well-being of its members and the community for over 100 years. Our services and initiatives are funded by membership, program participation and sponsorship. The Chamber is a non-government, non-partisan business advocacy organization.