Lead Lists from Data.com, Zoominfo and other websites

We are looking for high quality business contact data from <hoovers, [login to view URL], zoominfo, hoovers, avention, wink, netprospex, lead411, tickle professional network and linked> databases for email campaigns. Our criteria are as follows: Industry: B2C, Technology, Software, Healthcare, Banking, Retail or Telecom Revenue: more than 10 million USD annually Job Position: Marketing Director, VP Marketing, Creative Director, Marketing Manager, VP of Product Marketing, Director of Product Marketing, Communications Manager, Communications Director, VP of Communications, Chief Marketing Officer. Countries: USA, UK, Canada We would need 500k contacts with the following fields: First Name Last Name Job Position Company Name Email Phone Number We would need to split this project into 5 milestones and work would be delivered into 100k segments. We would need to test the quality of the data before emailing them out. If large quantity of 'bad information' is found we will need to stop the project. If this project goes well we would working with you on a regular and long term basis. Please include the following information in your proposal as well: 1. Where are you getting the contact info? 2. How long will you take to make one delivery? We'd need data delivered as soon as possible! We compensate our current data providers very well, so keep in mind that the standards are high. NOTE:- Our rate is 1.5 cent for one verified lead. Regards!!