Founded in 1901, the Greater Stockton Chamber of Commerce is one of the oldest chambers in the western United States. We are the largest business organization in San Joaquin County. Located in the historic Waterfront Warehouse in Downtown Stockton. Join today and learn how to put the Chamber to work for you! Give us a call (209) 547-2770! Mission Statement: The mission of the Greater Stockton Chamber of Commerce is to aggressively develop and promote an economically vibrant business community.