The West St. Louis County Chamber of Commerce brings members of the business community together. Through representing eight West St. Louis cities (Ballwin, Clarkson Valley, Ellisville, Manchester, Twin Oaks, Valley Park, Winchester, and Wildwood) it promotes networking and economic development through a variety of programs and events throughout the year, including Business Card Exchanges, monthly membership meetings, Power Networking event, a Business Expo & Networking Social, Golf Classic tournament, legislative forums, educational seminars, and an annual Trivia Night.