Hotel Warner, 120 North High St., West Chester, PA 19380. September is Membership Month at the Chester County Chamber of Business & Industry and what better way to end the summer and start the fall than with a VIP Membership Kickoff and Business After Hours networking event. This event is open to both Chamber members and non-members, and will provide businesses the opportunity to connect through the Chamber and learn more about the resources available to them through membership. Cost: Free. Register online, www.cccbi.org or call us at 610-725-9100.