list of companies in Chennai

https://en.wikipedia.org/wiki/Category:Companies_based_in_Chennai

http://www.chennaibizz.com
http://www.chennaibizbook.com/

Finance Companies Chennai
http://www.chennaibest.com/cityresources/Finance/listings01.asp
http://yellowpages.webindia123.com/d-py/Tamil-Nadu/Chennai/Finance-Companies-498/1/
IT Companies in Chennai
http://www.naukri2000.com/careers/it_chennai.php3
Insurance Companies - Chennai
http://www.netexpress.co.in/yellowpages/display/Insurance+Companies/Tamil+Nadu,+Madras/Chennai/1/display.aspx
Marketing Companies in Chennai
http://www.justdial.com/Chennai/Marketing-Agencies/ct-58435


Consultants
https://www.justdial.com/Chennai/Placement-Services-Candidate/nct-10372869
https://www.naukri2000.com/careers/consultant_chennai.php
https://www.placementindia.com/recruitment-agency/chennai-recruitment-agency.htm
http://consultants-india.blogspot.com/2008/04/list-of-job-consultants-in-chennai.html