The Greater Maple Valley-Black Diamond Chamber of Commerce participates in the legislative process via membership in the East King County Chambers of Commerce Legislative Coalition and as a member of the Association of Washington Business, Opportunity Washington and the Washington Policy Center. The Chamber also communicate regularly with the Washington Retail Association.
Association of Washington Business, AWB
- The Maple Valley-Black Diamond Chamber is a founding member of the Grassroots Alliance
- Opportunity Washington partner
- Look up Legislative Bills
- Check on how your legislator voted