I will only provide you with personal and valid email ids by following your target niche and titles.
Here's what I'll need to understand your target B2B market:
Targeted Industry: (Eg: Retail, Health Care, Real Estate etc.)
Targeted Location: (City/State/Country)
I'll provide you with B2B leads in the following format:
Contact First Name
Contact Last Name
Job Title
Email Address (active & verified)
Company Name
Company Website
Company Address
Company Phone Number and Any Desired Fields.