ChoicePoint / LexisNexis. If you are unknown to the company LexisNexis, then you are sure to jump from your seats when you hear that the next database once belonged to Choicepoint. A billion page information book, that’s Choicepoint, which was bought by LexisNexis in 2008. This extensive database contains information on around 250 million people of American population. The information varies from addresses, phone numbers, driving records, criminal histories and even DNA data. It’s believed that LexisNexis holds nearly of 250 terabytes of personal data.