Data collection of 5000 records- auto scrape

Hi I need a list of all of the websites/forums/blogs that the following key words hang out at: freelancers, Contractors, Consultants, (UK based for now), locums, Oil Workers, IT Professionals, medical locums, Script writers, engineers, expatriates working across Europe excel should be , Need URL, nature of site, forum available, target audience (IT, Oil, Civil Engineering etc, etc) Advertisers (if time left over) on the site but major on finding the sites first please. The idea is that we will register and blog/post/write answers to posts on the forums etc. a kind of soft social marketing campaign. please place your bid with sample data's.