Tried three vendors before this. Bounce rate stayed under 4% on a 1,000-contact email send. Bought it to handle lowes rentals locations united states lead-gen for the United States region. One column I'd add next refresh: secondary email.
Appreciate the write-up, the email/LinkedIn coverage you mentioned is on our list for the next pass. Drop a note via Help → Contact Support and we'll line up a fresh export for you.