Join the Indy Rainbow Chamber!You're just a few steps away from becoming a member of the Indy Rainbow Chamber of Commerce! We'll walk you through some simple forms, and you can then choose to print an invoice (PDF) and mail with a check, or you can pay online safely and securely with a credit card, bank card, or your PayPal account. Step 1First we need to know what kind of membership you would like: View Membership types |