Is there a data source or data provider that provides information on demographics that companies in various different industries in various different countries use?
PeopleCloud by Epsilon provides consumer insights for businesses based specifically on single IDs that link consumers and their online and offline activity.
US Demographic Knowledge Graph provided by Exchange Data International organizes physical economic activity around the world for businesses to use in their own platforms.
People Data use people data API or web portal to access a large catalog of contact information.