You may get the companies Name in the MCA21 portal by search the company name by Find CIN option. in that you select the search based on existing company name: enter the activity i.e. Market Research and select contains anywhere. the link is http://www.mca.gov.in/DCAPortalWeb/dca/MyMCALogin.do?method=setDefaultProperty&mode=14.
another option that you can get the name of the companies registered in the marketing research field through Check Company name or LLP option.
31 August 2011
Unless I enter company name or CIN it is not letting me proceed and what I exactly want is the entire list of companies registered under market research