Is there a pro tool or google service that I can use to see which sites rank for certain terms? Without having to first identify the url's?

[CURT-20817]

For example I want to see the top 20 sites in order of ranking for top keywords in my industry. Without having to know in advance the url's.

[AlanMosley]

Wouldn’t a search engine do that? Or am I missing somthing?

[MarkLoud]

SEO Moz's very own Keyword Analysis Tool

[jennita]

Yep! As Mark answered, check out our Keyword Difficulty tool: http://www.seomoz.org/keyword-difficulty - Although it only shows the top 10. But you get lots of data on those top ten sites ranking. Hope this helps!