Data Mining / Scraper

Here is what I need. I have a list of millions of Company Names with Complete Address (City, State, Zip. What I don't have is the FAX number or general email address. We will have to dig and scrape for these. The Fax and Email need to be put in the the CVS that I provide. I posted another project in Data Entry but I don't think finding and entering manually is the best way. My first order will be for about 1.6 million companies