collect information

I have an excel file with 12000 to 14000 entries with many duplicates. you have to remove the duplicates and after dupliacting it will be around 2000 to 3000 contacts. In this file, you have to check the each record for the following. 1. Delete companies no longer in business 2. Verify data accuracy 3. Obtain Company web address 4. Obtain Executive director information 5. Obtain company e-mail address Only experience bidders please. I will award with respect to the REVIEWS only. Please complete the sample file and upload in your pmb. Quote your bid for 3000 records as nos. of final records are not sure at this point of time.