Member ApplicationPlease complete the requested fields and submit your application. Online payments are accepted, using Visa, MasterCard, American Express and Discover. Payments can be mailed to: Rowlett Chamber of Commerce,4418 Main Street, Rowlett, TX 75088. Each new membership (except the Individual level) includes a membership packet that contains: a plaque and window cling. If you are a 501(C)3 non-profit please contact the Chamber directly for payment to receive a $100 discount.