Ran the CSV through our deduper first. Lat/long landed every pin on the right storefront in Mapbox. Bought it while planning a bmw motorrad locations campaign in India. 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. If you want the gaps fixed sooner than the next refresh, open a support ticket and we'll spin a one-off pull.