Find Contact Numbers and Email Addresses by Calling Offices or Web Search

Looking for someone to find telephone numbers and email addresses from a list of leads (Excel sheet).

The numbers and emails must be verified and the freelancer will be required to call directly to main offices in search for the contact numbers if they are not able to get them online.

This project requires an experienced data miner who knows how to source and get information from sources outside of basic web search. You must be able to call the main officers of leads and get their contact numbers and emails.