Tried three vendors before this. Email coverage is the highest I've seen for United States B2B data. Bought it while planning a jersey mike's locations for united state campaign in United States. Minor cleanup needed but nothing major.
Appreciate the write-up, the email/LinkedIn coverage you mentioned is on our list for the next pass. If you want the gaps fixed sooner than the next refresh, open a support ticket and we'll spin a one-off pull.