Contact info research, email research

I have a list of companies, locations and telephone numbers. The freelancer is tasked to get the email address of managers. To complete the data the freelancer should do the ff:

LinkedIn Research.
Website Research
Google Research
B2B Lead Generation
Market Research.
Data Mining
Product / Services research.
Find Personal Email and Business Email (Valid, Verified, accurate, and updated).
Find Contact info
Data Entry

NEEDED DATA;
Name:
Email:
Company:
Current position:

Example of data to be received from me:

Company City State
WESCO Indianapolis IN
Anixter Indianapolis IN
Gexpro Indianapolis IN
Graybar Elect. Co. Inc. Indianapolis IN
Security Equipment Supply Indianapolis IN