Yes! Mailing List Company. You need to find a good one right? Good Mailing list companies or lists brokers can be really useful for you. Martin Worldwide can be a good option for you. Its a good company.I found that they are offering customized mailing lists, telemarketing list and fax lists to small business, opt in email marketing and more.Now its a wordwide company and currently they have a database of over 290 million consumers and 14 million U.S. businesses.One of best products by them is ResponseCom which is a multi-dimensional database and offers great services.So it should be a good choice for you.