Free Software Foundation

http://en.wikipedia.org/wiki/Free_Software_Foundation,_Tamil_Nadu_(FSFTN)

List of Companies in Manufacturing

http://www.fundoodata.com/advance_search_results.php?&new_industry_id%5B%5D=1002&level_id=1&city_id=9&criteria=1&search_type=1
http://www.asklaila.com/search/Chennai/-/Manufacturing%20companies/?searchNearby=false&v=listing
Electronic
http://en.wikipedia.org/wiki/Electronics_manufacturing_in_Chennai
Jobs
http://www.indeed.co.in/Manufacturing-jobs-in-Chennai,-Tamil-Nadu