Affiliations South Metro Chamber of Commerce The South Metro Denver Chamber is still the not-for-profit business advocacy group that the founders envisioned in 1921. Now, with more than 85 years of experience, the Chamber offers unprecedented benefits and opportunities to help local businesses prosper. The dynamic membership, combined as one, is a significant power in the community and is part of successfully shaping the Colorado lifestyle we love. Aurora Chamber of Commerce The Aurora Chamber of Commerce is a non-profit, action-oriented membership organization that serves as the leading business “voice” and representative of the businesses in the east metro area. As a voluntary organization, the Chamber unites businesses, professionals and firms into a central agency that works to improve the business climate and building a better community.