Welcome to our online membership application for the DSM West Side Chamber of Commerce. We look forward to welcoming you to the West Side business community. Feel free to set-up auto-pay when you pay by credit card. Remember that your dues also includes membership with the Great Des Moines Partnership and all of the business resources they have to offer. The sponsor banner below is just one of the ways we can highlight your business when you choose one of many sponsorship and marketing packages with the West Side Chamber.