We have updated SEO Lab Professional to include information on the top advertisers for any keyword. This information is now available in both Windows and Mac OS X (beta) versions. See the screen shot below for details.

Try SEO Lab Professional

If you have not yet tried SEO Lab Professional, you may want to check it (there is a free trial download). You can type in a keyword phrase and quickly find all the top competing sites, competing web page titles, related semantic keywords, top advertisers for that keyword (including how they rank organically) and more. You can also easily check the search engine visibility of any competing site with a single click. You can even create branded SEO reports (in pdf) that contain information about related semantic keywords, competition, etc.