Redi Data is a leading provider of postal and email lists, data services, and direct marketing solutions. They offer a comprehensive line of healthcare professional, consumer, and business postal and email lists. With their in-house data services and t... Redi-Data is a marketing data broker with a dedicated opt-out form at redidata.com/opt-out-form/; you can also call 877-417-2436 or email privacy@redidata.com. They say opt-out requests get a response within 15 business days and deletion/access requests within 45 calendar days, and they will ask you to verify your identity. The same form is used for appealing a denied request.